CN113006281B - Vertical-face large-diamond-shaped grid giant inclined column super-high-rise structure with bottom conversion function and construction method - Google Patents
Vertical-face large-diamond-shaped grid giant inclined column super-high-rise structure with bottom conversion function and construction method Download PDFInfo
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Abstract
The invention relates to a vertical face large rhombus grid giant batter post super high-rise structure with bottom conversion, which comprises: the large rhombic grid large inclined column, the inner core cylinder, the grid surface inner secondary inclined column, the node layer periphery steel beam, the bottom conversion truss and other floor steel beams are arranged; the large rhombic grid giant batter post is formed by connecting two-way large batter post members in a cross way and arranging the members in a high and low position to form a vertical-surface space large rhombic grid diagonal outer barrel with a plane formed by combining four corner trimming parts. The invention has the beneficial effects that: the advantages of the bottom large space conversion, high lateral stiffness and four-corner trimming combined double-barrel building modeling function of the combined double-barrel oblique-crossing grid super high-rise structure and the vertical-face large rhombic grid are fully exerted; the structure is convenient to control through indexes such as bearing capacity, integral lateral stiffness resistance and torsion resistance, and the like, so that the reasonability and effectiveness of an integral structure system are further guaranteed; the components of the vertical surface large diamond grid giant batter post super high-rise structure with the bottom conversion are definite in module composition, and have wide application prospects.
Description
Technical Field
The invention belongs to the technical field of structural engineering, and relates to a bottom-converted vertical-face large-diamond-shaped grid giant inclined column super high-rise structure and a forming method thereof. The super high-rise means that the structure height is not less than 100 meters, and the bottom conversion means that the maximum space span at the bottom is not less than 30 meters.
Background
The oblique grid-core tube system is a super high-rise structure system formed by combining an oblique grid outer tube formed by cross rigid connection of bidirectional oblique column members and an inner core tube, and has the advantages of light dead weight, high lateral stiffness resistance, high height and the like, and the lateral stiffness resistance is an important factor for judging the mechanical property of the system. The structure system is widely applied to super high-rise public buildings with commercial, office and other functions.
The oblique grid outer cylinder bears horizontal force action such as earthquake, wind load and the like through vertical grids formed by crossing the oblique column members. Because the inclined column component is mainly an axial force component, great lateral stiffness can be achieved; the inclined column member is generally in a box-shaped section or a circular section, and concrete can be poured into the inclined column member for reinforcement when the section size has building limitation requirements.
The large rhombic grid giant inclined column is a special case of an inclined grid outer cylinder, and a large space rhombic shape with larger grid size is formed by a giant inclined column component. According to the building shape, the plane shape of the oblique mesh outer cylinder can be rectangular, polygonal or circular; for a rectangular or polygonal plane, each side part and each corner part can be formed by only a single large diamond grid and are converged to form a combined super high-rise structure form of plane four-corner trimming or polygonal trimming. Therefore, the reasonable and effective large rhombic grid giant oblique column vertical face form and the plane shape are important factors of the bearing performance of the whole structural system.
For the giant inclined column outer cylinder with the large rhombic grids, the single large rhombic grid is large in size, the spans between the inclined columns are overlarge, and vertical grid subdivision is carried out on the inner part of the large rhombic grid through the secondary inclined columns in the grid surface so that the floor steel beam span between the inclined columns is effectively reduced, so that the giant inclined column outer cylinder is a reasonable and effective solution. The secondary inclined columns in the grid surface can be arranged in a penetrating manner along the vertical surface, the height folding angles of the node layers are converted, and two ends of the diagonal nodes are converged at the diagonal nodes of the large rhombic grid giant inclined columns. Therefore, the arrangement mode of the secondary batter posts in the grid surface and the arrangement of the subdivision intervals of the vertical grids are reasonable and effective, and the arrangement mode is an important factor for ensuring the feasibility of the implementation of the floor span, attractive appearance and cost saving.
When there is big space demand in super high-rise building bottom, set up bottom conversion truss and lift the support to the secondary batter post in the net face to realize the vertical huge post conversion of the big space in bottom, be a comparatively reasonable effectual solution. The bottom conversion truss form can be a hollow truss or an inclined web member truss according to the building function requirements, and the bottom of the secondary inclined column in the grid surface can be supported on the bottom conversion truss through hinged connection so as to fully release the action of bending moment. Therefore, the reasonable and effective structural form of the bottom conversion truss and the connection scheme of the bottom conversion truss and the secondary batter post in the grid surface are important factors for realizing the effective conversion of the stress and the vertical load of the whole structural system.
In addition, the large rhombic grid giant inclined column super high-rise structure system has the problems of complex node connection structure, complex component structure, bearing performance, rigidity and the like, and the design and the composition scheme of the vertical surface large rhombic grid giant inclined column super high-rise structure form with reasonable and effective bottom conversion are also important factors for ensuring the bearing performance and normal use of the system.
In summary, it is necessary to research a form and a design method of a vertical-face large diamond-shaped grid giant batter post super high-rise structure with bottom conversion to be suitable for bottom large-space giant post conversion and four-corner trimming of a vertical-face large diamond-shaped grid batter post to combine a double-barrel building modeling super high-rise structure system and bearing.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a vertical surface large diamond grid giant inclined column super high-rise structure with bottom conversion and a forming method thereof, which can realize the design and bearing of a four-corner trimming combined double-barrel building modeling super high-rise structure system with bottom large-space large column conversion and vertical surface large diamond grid inclined columns.
The vertical surface large diamond grid giant inclined column super high-rise structure with bottom conversion comprises large diamond grid giant inclined columns, an internal core tube, grid surface secondary inclined columns, node layer periphery steel beams, bottom conversion trusses and other floor steel beams;
the large rhombic grid huge batter post is formed by cross connection of two-way huge batter post members and is arranged through a high ground, so that a vertical-surface space large rhombic grid diagonal outer barrel with a plane formed by combining four corner trimming parts is formed;
the inner core cylinder is positioned in the center of the inner side of the large rhombic grid giant batter post, is arranged in a through-high landing mode, consists of surrounding shear walls with four corner cut edges and connecting beams, and forms a double-cylinder lateral force resisting core supporting framework together with the large rhombic grid giant batter post;
the secondary inclined columns in the grid surface are positioned in the vertical surface grid surface of the large rhombic grid inclined columns, and the single large rhombic grids are arranged in a penetrating way along the vertical surface and are subjected to vertical grid subdivision, so that the span of a floor steel beam between the inclined columns is effectively reduced, and the bottom of the steel beam is supported on a bottom conversion truss to form a non-landing arrangement form;
the node layer circumference steel beams are positioned on the oblique crossing node layers of the vertical face large diamond-shaped grids, are horizontally arranged along the oblique crossing outer cylinders of the vertical face large diamond-shaped grids in a whole circle and are rigidly connected, the joints of the node layer circumference steel beams and the grid face inner secondary batter posts are communicated by the secondary batter posts, and each vertical face large diamond-shaped grid is uniformly divided into two plane triangular grids along the horizontal direction by the node layer circumference steel beams;
the bottom conversion truss is positioned on the bottom large-span conversion layer, is horizontally arranged along the whole circle of the bottom of the large rhombic grid diagonal outer cylinder in the vertical space and is rigidly connected with diagonal nodes, and further performs conversion uplift support on the secondary diagonal columns in the grid surface so as to realize the building conversion function of the vertical member in the large space at the bottom;
the other floor steel beams comprise a periphery connecting steel beam of a non-oblique node layer, hinged steel beams of all floors (oblique node layers and non-oblique node layers) for connecting the inner barrel and the outer barrel, and auxiliary steel beams which are hinged and connected and used for separating the floors and connecting the inner barrel and the outer barrel, wherein the node layer steel beams and the non-node layer steel beams are respectively necessary members and unnecessary members of the integral structure.
Preferably, the method comprises the following steps: the large rhombic grid huge batter post is formed by connecting forward and reverse giant batter post components in a crossed manner, comprises a first batter post of the large rhombic grid huge batter post, a second batter post of the large rhombic grid huge batter post, a third batter post of the large rhombic grid huge batter post and a fourth batter post of the large rhombic grid huge batter post, respectively forms a large rhombic grid at the side part and a large rhombic grid at the corner part corresponding to different positions, and then is combined to form the vertical-surface space large rhombic grid skew outer barrel with the plane being a four-corner trimming combination.
Preferably, the method comprises the following steps: the large rhombic grid diagonal outer cylinder is centered on a central positioning point, and planes are arranged in a biaxial symmetrical mode; the cross positions of the oblique columns are in the form of oblique crossing nodes protruding outwards in space, and the oblique crossing nodes comprise oblique crossing node forms in which giant oblique column members are converged at converging nodes at two ends of oblique crossing node short beams and are connected and combined through connecting short beams in the middle of the oblique crossing nodes, oblique crossing node forms in which the giant oblique column members are converged at top converging nodes of the oblique crossing nodes, and oblique crossing node forms in which the giant oblique column members are converged at bottom connecting trusses of the oblique crossing nodes, and the oblique crossing node forms are respectively positioned at the middle part, the top part and the bottom height positions of the super high-rise structure; the internal stiffening plates of the oblique nodes are arranged at the oblique nodes for reinforcement; the oblique joint has fewer forms, and is convenient to manufacture, assemble and install and construct on site.
Preferably, the method comprises the following steps: because the oblique nodes are in a space convex form, outward thrust exists at the oblique nodes under the action of vertical load, and the oblique nodes are connected to the inner core barrel through the steel beams hinged to the inner and outer barrels of the node layers to carry out horizontal and outward thrust bearing; the corresponding steel beam should be properly reinforced in section by considering the action of tensile stress, and the floor steel bars are also properly reinforced to avoid cracking of the floor concrete.
Preferably, the method comprises the following steps: the plane form of the large rhombic grid diagonal outer cylinder is rectangular, and the middle of each side of the plane is slightly convexly arranged at the height of a diagonal node; each side edge and each corner of the rectangle are only provided with a single large diamond-shaped oblique mesh, and the height of each floor is corresponding to a lower triangular mesh of four large diamond-shaped meshes and an upper triangular mesh of four large diamond-shaped meshes along the circumference, namely, the floor plane is cut and is in a four-corner trimming combination form.
Preferably, the method comprises the following steps: the included angles between the first inclined column of the large rhombic grid large inclined column and the second inclined column of the large rhombic grid large inclined column, between the third inclined column of the large rhombic grid large inclined column and the fourth inclined column of the large rhombic grid large inclined column are generally 30-70 degrees, and the maximum distance between inclined column members is 30-50 m; the height of the covering floor of a single group of oblique nodes is generally 4-6 layers, and the height of the covering floor corresponding to a single group of diamond grids is 8-12 layers; the cross section of the inclined column member is box-shaped, the side length of the cross section is generally 1000-2000mm, and concrete can be poured into the inclined column member for reinforcement when the inclined column member is stressed greatly.
Preferably, the method comprises the following steps: the plane form of the inner core barrel is rectangular and consists of the middles of four sides of the inner core barrel and the edge cutting corners of the inner core barrel.
Preferably, the method comprises the following steps: the thickness of the inner core barrel is generally 800-1400 mm; when the rigidity needs to be improved, the corner of the steel plate can be reinforced by embedding section steel columns in proper floors.
Preferably, the method comprises the following steps: the grid in-plane secondary batter post comprises a grid in-plane secondary batter post I of a side rhombus lower triangle and a grid in-plane secondary batter post II of a side rhombus upper triangle, and the grid in-plane secondary batter post I and the grid in-plane secondary batter post II are subjected to bevel conversion at a through turning point of the secondary batter post in the side grid at the height of the node layer; and the secondary batter post in the grid surface comprises a first secondary batter post in the grid surface of the lower triangle of the diamond corner and a second secondary batter post in the grid surface of the upper triangle of the diamond corner, and the two perform bevel conversion at the through turning point of the secondary batter post in the grid surface of the corner at the height of the node layer.
Preferably, the method comprises the following steps: for the large rhombic grid huge inclined column outer cylinder, the size of a single large rhombic grid is large, the span between inclined columns is too large, and secondary inclined columns in the grid surface effectively divide vertical grids so as to effectively reduce the span of a floor steel beam between the inclined columns; the middle part of the secondary batter post in the grid surface is subjected to angle folding conversion at the height of the node layer and is vertically communicated, and two ends of the secondary batter post are converged at the oblique node of the large rhombic grid giant batter post.
Preferably, the method comprises the following steps: the bottom of the secondary batter post in the grid surface is connected and provided with two forms: the bottoms of the secondary inclined columns II in the triangular grid planes on the corners of the large diamond-shaped grid area at the corners are converged with the large diamond-shaped grid inclined column component; the bottom of the secondary oblique column II in the triangular grid surface on the edge of the large diamond-shaped grid area on the edge is supported on the bottom conversion truss through the bottom column hinge conversion node to form a non-landing arrangement form, so that the building function requirement of a large space at the bottom is met.
Preferably, the method comprises the following steps: the bottom column hinge conversion node is in a one-way rotatable column hinge connection mode along the direction vertical to the truss, so that the out-of-plane stability adverse effect of the bending moment in the outer direction of the truss surface on the bottom conversion truss is fully released; and a stiffening plate of the bottom column hinge conversion node is arranged for reinforcing corresponding to the upper chord of the bottom conversion truss at the column hinge supporting position.
Preferably, the method comprises the following steps: the cross section of the sub-oblique column in the grid surface is box-shaped, and the side length of the cross section is generally 600-1000 mm; the joint of the secondary inclined column and the large rhombic grid large inclined column in the grid surface is subjected to load-bearing transition conversion by extending the crossed plates of the large rhombic grid large inclined column, and the extending length is generally 1.0-1.5 times of the side length of the section of the large rhombic grid large inclined column.
Preferably, the method comprises the following steps: the node layer circumferential steel beams are positioned on the oblique crossing node layers of the large rhombic grids on the vertical surfaces and consist of end part rigid connection beams of the node layer circumferential steel beams and middle rigid connection beams of the node layer circumferential steel beams; corresponding to different height positions of the oblique crossing node layer, all the steel beams on the periphery of the node layer are plane rectangles, and corresponding corners are different.
Preferably, the method comprises the following steps: the node layer circumferential steel beams are horizontally arranged in a whole circle along the large rhombic grid oblique crossing outer cylinder in the vertical surface space and are rigidly connected, and the node layer circumferential steel beams are disconnected at the through turning points of the secondary batter posts in the side grid surface and the through turning points of the secondary batter posts in the corner grid surface and are rigidly connected by adopting bolt welding; the node layer circumferential steel beam divides each vertical face space large diamond grid into two plane triangular grids along the horizontal direction; the cross section of the steel beam on the periphery of the node layer is H-shaped, and the height of the cross section is generally 700-900 mm.
Preferably, the method comprises the following steps: the bottom conversion truss consists of an upper chord member of the bottom conversion truss, a lower chord member of the bottom conversion truss, a vertical web member of the bottom conversion truss and an angle inclined web member of the bottom conversion truss; the plane of the truss is rectangular with four corners trimmed, each side of the rectangle is in a hollow truss form with encrypted vertical web members, the vertical web members of the bottom conversion truss are arranged on each side of the rectangle, the corner is in a truss form with herringbone diagonal braces, and the corner diagonal web members of the bottom conversion truss are arranged at the corners of the rectangle.
Preferably, the method comprises the following steps: the ground inclined columns of the large rhombic grid large inclined column are positioned at the corners of the plane rectangle, each corner is provided with two ground inclined columns, and the ground inclined columns are rigidly connected through trusses with herringbone inclined supporting rods at the corners; the side area between the floor inclined columns of the large diamond grid giant inclined columns is a large-span hollow transition truss.
Preferably, the method comprises the following steps: the top end of the floor inclined column of the large diamond-shaped grid large inclined column is a conversion layer branch node of the large diamond-shaped grid large inclined column, namely a bottom intersection node of the large diamond-shaped grid large inclined column component and the grid surface inner secondary inclined column; the bottom end of the landing inclined column of the large rhombic grid large inclined column is a bottom rigid support of the large rhombic grid large inclined column, and vertical load is transferred to a foundation through the basement vertical column.
Preferably, the method comprises the following steps: the large-span hollow conversion truss in the side region performs conversion uplift support on the bottom end of a secondary batter post II in a grid surface of a rhombus upper triangle of the side region so as to realize the building conversion function of the vertical component of the large space at the bottom; the height of the bottom conversion truss is generally 1-2 layers according to the floor number, and the height of the corresponding truss is 4-10 m; the cross sections of the upper chord member of the bottom conversion truss, the lower chord member of the bottom conversion truss, the vertical web member of the bottom conversion truss and the corner inclined web member of the bottom conversion truss are H-shaped, and the height of the cross section is generally 500-800 mm.
Preferably, the method comprises the following steps: the other floor steel beams comprise periphery connecting steel beams of a non-oblique joint layer and hinged steel beams of all floors (oblique joint layer and non-oblique joint layer) for connecting the inner barrel and the outer barrel, and the hinged steel beams are hinged and used as auxiliary steel beams for floor separation and inner barrel and outer barrel connection, and the joint layer steel beams and the non-joint layer steel beams are necessary members and unnecessary members of the integral structure respectively.
Preferably, the method comprises the following steps: the joint layer inner and outer cylinders in other floor steel beams are hinged with the steel beams, are necessary components in the integral structure system construction, bear a large tensile stress besides bearing a vertical floor load, namely the external thrust of the diagonal joint of the large rhombic grid giant diagonal column is transferred to the inner core cylinder for horizontal force bearing; the cross section of the device is H-shaped, and the height of the cross section is generally 500-700 mm.
Preferably, the method comprises the following steps: the grid composition, the plane shape and the number of grids on each side of the plane of the large rhombic grid large inclined column, the vertical surface position and the distance arrangement of the in-plane grid sub inclined column, the truss form of the bottom conversion truss and the number of truss layers can be properly adjusted according to the requirements of building modeling, functional space, bottom large space span and boundary conditions, and the composition mode of each part of the vertical surface large rhombic grid large inclined column super-high-rise structure with the bottom conversion can not be influenced.
The method for forming the vertical surface large diamond grid giant inclined column super high-rise structure with bottom conversion comprises the following steps:
s1, connecting and arranging a first batter post of a large diamond-shaped grid giant batter post, a second batter post of a large diamond-shaped grid giant batter post, a third batter post of a large diamond-shaped grid giant batter post and a batter post of a large diamond-shaped grid giant batter post in a cross way to form a large diamond-shaped grid at the side part and a large diamond-shaped grid at the corner part, and arranging symmetrically and externally on the basis of a central positioning point to further form a vertical-surface space large diamond-shaped grid cross outer cylinder with a plane being a four-corner trimming combination;
s2, the intersection forms at the oblique crossing nodes comprise a combination form of a middle connecting short beam of the oblique crossing nodes and intersection nodes at two ends of the oblique crossing node short beam, top intersection nodes of the oblique crossing nodes and bottom connecting trusses of the oblique crossing nodes, and the nodes are reinforced by internal stiffening plates of the oblique crossing nodes;
s3, arranging the floor inclined columns of the large diamond grid large inclined columns at the bottoms of the large diamond grid large inclined columns at corners of the large space large inclined columns, supporting the bottoms of the floor inclined columns of the large diamond grid large inclined columns on rigid supports at the bottoms of the large diamond grid large inclined columns, and supporting the secondary inclined columns in the grid planes at the tops of the floor inclined columns through branch nodes of conversion layers of the large diamond grid large inclined columns;
s4, forming the internal core barrel by the middle parts of four sides of the internal core barrel and the edge cutting corners of the internal core barrel, and forming a double-barrel lateral force resisting core supporting framework together with the large rhombic grid giant batter posts;
s5, vertical grid division is carried out on the space large rhombic grid by the grid inner secondary batter post of the side rhombic lower triangle, the grid inner secondary batter post of the side rhombic upper triangle, the grid inner secondary batter post of the corner rhombic lower triangle and the grid inner secondary batter post of the corner rhombic upper triangle;
s6, the secondary batter post in the grid surface is arranged in a run-through way, and the upper triangular secondary batter post and the lower triangular secondary batter post at the edge part and the corner part are respectively subjected to angle folding conversion at the run-through turning point of the secondary batter post in the grid surface at the edge part and the run-through turning point of the secondary batter post in the grid surface at the corner part;
s7, carrying out plane triangular mesh division on the large space diamond mesh by the node layer circumferential steel beams, wherein the plane triangular mesh division comprises end rigid connection beams of the node layer circumferential steel beams and middle rigid connection beams of the node layer circumferential steel beams;
s8, forming a bottom conversion truss by an upper chord of the bottom conversion truss, a lower chord of the bottom conversion truss, a vertical web member of the bottom conversion truss and an angle inclined web member of the bottom conversion truss;
s9, carrying out uplift conversion support on the bottom end of the secondary inclined column in the grid surface of the edge part through the bottom column hinge conversion node of the bottom conversion truss generated in the step S8, and arranging a stiffening plate of the bottom column hinge conversion node at the upper chord of the bottom conversion truss for reinforcement;
s10, the end part rigid connection beam of the node layer periphery steel beam, the middle rigid connection beam of the node layer periphery steel beam, the node layer inner and outer cylinder hinged connection steel beam and the non-node layer steel beam jointly form a floor steel beam.
The application of the vertical-face large diamond-shaped grid giant inclined column super high-rise structure with bottom conversion in design and bearing of a bottom large-span space large column conversion and four-corner trimming combined double-barrel building modeling super high-rise structure system of a vertical-face large diamond-shaped grid inclined column is characterized in that the height of the super high-rise structure is not less than 100 meters, and the bottom large-span space large column conversion indicates that the maximum space span of the bottom is not less than 30 meters.
The beneficial effects of the invention are:
1. the vertical surface large rhombic grid giant batter post super-high-rise structure with the bottom conversion provided by the invention has a reasonable structure system, can realize the bottom large-span space giant post conversion and the design and the bearing of a four-corner trimming combined double-barrel building modeling super-high-rise structure system of a vertical surface large rhombic grid batter post, and fully exerts the functional advantages of the bottom large-space conversion, the high lateral stiffness and the four-corner trimming combined double-barrel building modeling of the vertical surface large rhombic grid super-high-rise structure of the combined double-barrel diagonal grid.
2. The vertical-surface large-diamond-grid giant-diagonal-column super-high-rise structure with the converted bottom is formed by combining large-diamond-grid giant-diagonal columns and an internal core tube into a double-barrel lateral force resistant core supporting framework, vertical grid subdivision and plane triangular grid division of a large space diamond grid are respectively realized through the secondary diagonal columns in the grid surface and the steel beams around the node layer, and the secondary diagonal columns in the grid surface are lifted and supported through the bottom conversion truss to realize conversion of the vertical members in the large space at the bottom to form an integral stress mode.
3. Based on the bearing performance analysis, the structure of the invention is convenient to control through indexes such as bearing capacity (stress control), integral lateral stiffness (lateral deformation control) and torsion resistance (period ratio), so as to further ensure the reasonability and effectiveness of an integral structure system.
4. The vertical face large diamond grid giant batter post super high-rise structure with the bottom conversion has definite component composition modules, clear force transmission, large bottom space conversion span of the whole system, high lateral stiffness and beautiful double-drum large diamond grid modeling, and has wide application prospect in a bottom large space large column conversion and four-corner trimming combined double-drum building modeling super high-rise structure system with the vertical face large diamond grid batter post.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a giant batter post super high-rise structure of the invention (fig. 1a-1g are respectively a schematic overall structure view, a schematic large diamond grid giant batter post, a schematic internal core tube, a schematic internal grid secondary batter post, a schematic node layer circumferential steel beam, a schematic bottom transition truss and a schematic other floor steel beam of an embodiment of a bottom-transition large diamond grid giant batter post super high-rise structure of the invention);
FIG. 2 is an overall plan view of the super high-rise structure of the giant batter post of the present invention, i.e. a schematic view of the cut A-A in FIG. 1 a;
FIG. 3 is an overall front view of the embodiment of the giant batter post super high-rise structure of the present invention, i.e. a schematic view taken along B-B in FIG. 1 a;
FIG. 4 is an overall 45 degree side view, i.e., a schematic view of the C-C cut-away of FIG. 2, of an embodiment of the giant batter post super high rise structure of the present invention;
FIG. 5a is a sectional B-B elevation view of the giant batter post with large diamond shaped grids in FIG. 1B, and FIG. 5B is a sectional B-B elevation view of the secondary batter post in the grid plane in FIG. 1 d;
FIG. 6a is a sectional plan view of the large rhombic lattice giant batter post of FIG. 1b, and FIG. 6b is a sectional plan view of the steel beam at the periphery of the e node layer of FIG. 1;
FIG. 7a is a schematic view of the top of the bottom transition truss of FIG. 1f, and FIG. 7b is a schematic view of a D-D cut-away of the bottom transition truss of FIG. 7 a;
FIG. 8 is a schematic diagram of the construction of a typical diagonal node of the large diagonal column of the large diamond-shaped lattice of FIG. 1 b;
FIG. 9 is a schematic view of the construction of the connection node (i.e., bottom column-hinge transition node) of the sub-batter post in the grid plane of FIG. 1d to the bottom transition truss of FIG. 1 f;
FIG. 10 is a flow chart of the components of the embodiment of the super high-rise structure of the giant batter post according to the present invention.
Description of reference numerals: 1-a first batter post of the large rhombic grid large batter post; 2-an oblique column II of the large rhombic grid giant oblique column; 3-oblique columns III of the large rhombic grid large oblique columns; 4-the fourth oblique column of the large rhombic grid giant oblique column; 5-large diamond-shaped grids on the sides; 6-large diamond shaped mesh at the corners; the middle part of the 7-oblique crossing node is connected with a short beam; 8-intersection nodes at two ends of the oblique node short beam; 9-top intersection nodes of the skew nodes; the bottom of the 10-diagonal node is connected with a truss; 11-a floor inclined column of the large rhombic grid giant inclined column; 12-branch nodes of a conversion layer of the large rhombic grid giant oblique columns; 13-bottom rigid support of the large rhombic grid giant batter post; 14-the middle of the four sides of the inner core barrel; 15-a trimmed corner of the inner core barrel; 16-a first secondary batter post in the grid plane of the rhombic lower triangle at the side part; 17-a second inclined column in the grid surface of the rhombus upper triangle at the side part; 18-a first secondary batter post in the grid plane of the rhombus lower triangle at the corner; 19-a second inclined column in the grid surface of the rhombus upper triangle at the corner; 20-a through turning point of a secondary batter post in the grid surface of the side part; 21-the through turning point of the secondary batter post in the corner grid surface; 22-the end part of the steel beam on the periphery of the node layer is just connected with the beam; 23-beam is rigidly connected in the middle of the steel beam on the periphery of the node layer; 24-upper chords of the bottom transition trusses; 25-lower chord of bottom transition truss; 26-vertical web members of the bottom conversion truss; 27-corner diagonal web members of the bottom transition truss; 28-bottom column hinge transition node; 29-the inner and outer cylinders of the node layer are hinged with steel beams; 30-a central location point; 31-internal stiffening plates of the diagonal nodes; 32-a stiffening plate of the bottom column hinge conversion node.
Detailed Description
The present invention will be further described with reference to the following examples. The following examples are set forth merely to provide an understanding of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
The vertical large rhombic grid giant batter post super high-rise building structural system with the converted bottom face is definite in component module, clear in force transmission and in accordance with the design principle of integral stress and bearing mode, the large bottom space conversion and high lateral force resistance of the integral structural system are fully exerted, a double-barrel lateral force resistance core supporting framework is formed by combining the large rhombic grid giant batter post and an inner core barrel, vertical grid subdivision and plane triangular grid division of the large space rhombic grid are respectively realized through a grid face secondary batter post and a node layer circumferential steel beam, the structural system for converting the bottom large space vertical component is realized by lifting the supporting grid face secondary batter post on a bottom conversion truss, and the four-corner trimming combined double-barrel super high-rise building modeling function of the large bottom space batter post conversion and the vertical large rhombic grid is realized.
The design idea of the invention is based on the combination of a large rhombic grid giant batter post and an internal core barrel into a main body structure, and the double-barrel super high-rise integral stress mode of vertical grid subdivision, plane triangular grid division and bottom large-space vertical component conversion is respectively realized through a grid surface secondary batter post, a node layer circumferential steel beam and a bottom conversion truss: firstly, combining a large diamond grid giant batter post with an internal core tube to form a double-tube lateral force resistant core supporting framework; secondly, vertical grid subdivision and planar triangular grid division of the large-diamond space grid are respectively realized through secondary batter posts in the grid surface and steel beams on the periphery of the node layer; then, lifting and supporting the secondary batter post in the grid surface by the bottom conversion truss to enable the secondary batter post not to fall to the ground, thereby realizing the double-barrel super high-rise building model of the large-space conversion at the bottom and the large rhombic grid at the vertical surface; and finally, the integral stress bearing performance of the structural system is guaranteed by analyzing the bearing performance and controlling the stress, integral rigidity and torsion resistance of the component.
Example one
As shown in fig. 1a to 1g and fig. 2 to 4, the vertical surface large diamond grid giant inclined column super high-rise structure with bottom conversion comprises large diamond grid giant inclined columns, an internal core tube, grid surface secondary inclined columns, node layer periphery steel beams, bottom conversion trusses and other floor steel beams. The large rhombic grid huge batter post (figure 1b) is positioned at the outer side, and is formed into a vertical surface space large rhombic grid diagonal outer cylinder with a plane formed by cross connection of two-way large batter post members and arrangement of a high ground; the inner core barrel (shown in figure 1c) is positioned on the inner side, is arranged in a through-high landing mode, consists of surrounding shear walls with four corner cut edges and connecting beams, and forms a double-barrel lateral force resisting core supporting framework together with the large rhombic grid giant batter posts; the secondary inclined columns (figure 1d) in the grid surface are positioned in the vertical surface grid surface of the large inclined columns of the large rhombic grids on the outer side, and the single large rhombic grids are arranged in a run-through manner along the vertical surface and are subjected to vertical grid subdivision, so that the span of a steel beam of a floor between the inclined columns is effectively reduced, and the bottom of the steel beam is supported on a bottom conversion truss to form a non-landing arrangement form; the node layer periphery steel beams (shown in figure 1e) are positioned on an oblique crossing node layer of the vertical surface large rhombic grids, are horizontally arranged along an oblique crossing outer cylinder in a whole circle and are rigidly connected, the joints of the node layer periphery steel beams and the grid surface inner secondary inclined columns are communicated through by the secondary inclined columns, and each vertical surface space large rhombic grid is uniformly divided into two plane triangular grids by the node layer periphery steel beams along the horizontal direction; the bottom conversion truss (shown in figure 1f) is positioned on the bottom large-span conversion layer, is horizontally arranged along the bottom of the oblique outer cylinder in a whole circle and is rigidly connected with oblique nodes, and further performs conversion uplift support on the secondary oblique columns in the grid surface so as to realize the conversion building function of the vertical member in the bottom large space; the other floor steel beams (figure 1g) comprise circumferential connecting steel beams of a non-oblique node layer, hinged steel beams of all floors (oblique node layer and non-oblique node layer) for connecting the inner barrel and the outer barrel, and auxiliary steel beams which are hinged and used for separating the floors and connecting the inner barrel and the outer barrel, wherein the node layer steel beams and the non-node layer steel beams are respectively necessary components and unnecessary components of the integral structure.
As shown in fig. 1b, 2-4 and 5a, the large rhombic grid huge batter post is formed by crossing, converging and connecting forward and reverse groups of large batter post members, is positioned on the outer side and is arranged by high landing, and comprises a large rhombic grid huge batter post I1, a large rhombic grid huge batter post II 2, a large rhombic grid huge batter post III 3, a large rhombic grid huge batter post IV 4, a large rhombic grid 5 and a large rhombic grid 6, which respectively form a side part and a corner part corresponding to different positions, and are combined to form the vertical-surface space large rhombic grid diagonal outer barrel with a plane of four-corner trimming combination.
As shown in fig. 1b and fig. 2 to 4, the large diamond grid diagonal outer cylinder takes a central positioning point 30 as a center, and the planes are arranged in a biaxial symmetry manner; the cross positions of the oblique columns are in the form of oblique crossing nodes protruding outwards in space, and the oblique crossing nodes comprise three oblique crossing node forms, namely an oblique crossing node form in which a huge oblique column member is converged at converging nodes 8 at two ends of an oblique crossing node short beam and is connected and combined through a connecting short beam 7 in the middle of the oblique crossing node, an oblique crossing node form in which a huge oblique column member is converged at a top converging node 9 of the oblique crossing node, and an oblique crossing node form in which a huge oblique column member is converged at a bottom connecting truss 10 of the oblique crossing node, and the three oblique crossing node forms are respectively positioned at the height positions of the middle part, the top part and the bottom part of the super high-rise structure; the internal stiffening plates of the oblique nodes are arranged at the oblique nodes for reinforcement; the oblique joint has fewer forms, and is convenient to manufacture, assemble and install and construct on site.
As shown in fig. 1b and 3, since the oblique joint is in a space convex form, an outward thrust exists at the oblique joint under the action of a vertical load, a steel beam 29 needs to be hinged through an inner cylinder and an outer cylinder of the joint layer, and the oblique joint is connected to the inner core cylinder to carry out horizontal outer thrust; the corresponding steel beam should be properly reinforced in section by considering the action of tensile stress, and the floor steel bars are also properly reinforced to avoid cracking of the floor concrete.
As shown in fig. 1b, 2-4 and 6a, the plane form of the large diamond grid diagonal outer cylinder is rectangular, and the middle of each side of the plane is slightly convexly arranged at the height of the diagonal node; each side edge and each corner of the rectangle are only provided with a single large diamond-shaped oblique mesh, and the height of each floor is corresponding to the lower triangular mesh of 4 large diamond-shaped meshes and the upper triangular mesh of 4 large diamond-shaped meshes along the circumference, namely, the floor plane is cut and is in a four-corner trimming combination form. In this embodiment, 1 large diamond grid is provided for each side and corner of the rectangle. In this embodiment, the plane form of the large rhombic grid giant oblique column is rectangular.
As shown in fig. 1b and fig. 2-4, the included angle between the first batter post 1 of the large rhombic grid large batter post and the second batter post 2 of the large rhombic grid large batter post, and the included angle between the third batter post 3 of the large rhombic grid large batter post and the fourth batter post 4 of the large rhombic grid large batter post are generally 30-70 degrees, and the maximum distance between the batter post members is 30-50 m; the height of the covering floor of a single group of oblique nodes is generally 4-6 layers, and the height of the covering floor corresponding to a single group of rhombic grids is 8-12 layers; the cross section of the inclined column member is box-shaped, the side length of the cross section is generally 1000-2000mm, and concrete can be poured into the inclined column member for reinforcement when the inclined column member is stressed greatly. In this embodiment, the angle of the crossed oblique columns of the large rhombic grid giant oblique columns is 53 degrees, and the coverage floor of a single group of rhombic grids is 10 layers.
As shown in fig. 1c and fig. 2 to fig. 4, the plane form of the inner core cylinder is rectangular, is located at the inner side and is arranged to be high and fall to the ground, and is composed of surrounding shear walls with four corner cut edges and connecting beams, and comprises a four-side middle part 14 of the inner core cylinder and cut edge corners 15 of the inner core cylinder. In this embodiment, the planar form of the inner core barrel is a rectangle with four corners trimmed.
As shown in fig. 1c, 2-3, the inner core tube and the large rhombic grid giant batter post form a double-tube lateral force resistant core support framework; the thickness of the inner core cylinder is generally 800-1400 mm; when the rigidity needs to be improved, the corner of the steel plate can be reinforced by embedding section steel columns in proper floors.
As shown in fig. 1d, 2-4 and 5b, the secondary batter post in the grid plane is positioned inside the large diamond grid on the outer side, and the single large diamond grid is arranged in a penetrating way along the vertical plane and is vertically subdivided; for the large rhombus grid at the side part, the large rhombus grid comprises a first secondary batter post 16 in the grid surface of the lower rhombus triangle at the side part and a second secondary batter post 17 in the grid surface of the upper rhombus triangle at the side part, and the run-through turning point 20 of the secondary batter post in the grid surface at the height of the node layer is subjected to bevel conversion; and for the large-diamond-shaped grid at the corner, the angle conversion is carried out at a through turning point 21 of the secondary batter post in the grid surface at the height of the node layer.
As shown in fig. 1d and fig. 3-4, for the large rhombic grid huge batter post outer barrel, the size of a single large rhombic grid is large, the span between batter posts is too large, and the secondary batter posts in the grid surface effectively perform vertical grid subdivision, so that the span of a floor steel beam between the batter posts is effectively reduced; the middle part of the secondary inclined column in the grid surface is subjected to angle folding conversion at the height of the node layer and is vertically communicated, and two ends of the secondary inclined column are converged at the inclined node of the large rhombic grid giant inclined column. In the embodiment, 2 grid plane secondary batter posts are arranged on a single large rhombic grid, the vertical grid is subdivided into 3 parts, and the horizontal distance between the secondary batter posts in the grid plane with the maximum node layer height is 13.5 m.
As shown in fig. 1d and fig. 3-4, the bottom of the secondary batter post in the grid plane is provided with two forms in a connecting way, and the bottoms of the secondary batter post in the grid plane 19 of the triangle on the corner of the large diamond grid area are intersected with the large diamond grid batter post component; the bottom of the second secondary batter post 17 in the triangular grid plane on the edge of the large diamond-shaped grid area on the edge is supported on the bottom conversion truss through the bottom post hinge conversion node 28 to form a non-landing arrangement mode, so that the requirement of the building function of the large space on the bottom is met.
As shown in fig. 1d, 3-4, and 9, the bottom column-hinge transition joint 28 is a one-way rotatable column-hinge connection along the vertical truss direction to substantially release the out-of-plane bending moment of the truss plane from adversely affecting the out-of-plane stability of the bottom transition truss; and a stiffening plate 32 of the bottom column hinge conversion node is arranged on the upper chord 24 of the bottom conversion truss corresponding to the column hinge supporting position for reinforcement.
As shown in fig. 1d and fig. 3-4, the cross section of the sub-oblique column in the grid plane is box-shaped, and the side length of the cross section is generally 600 and 1000 mm; the joint of the secondary inclined column and the large rhombic grid large inclined column in the grid surface is subjected to load-bearing transition conversion by extending the crossed plates of the large rhombic grid large inclined column, and the extending length is generally 1.0-1.5 times of the side length of the section of the large rhombic grid large inclined column. In this embodiment, the extension length is 1.0 times of the side length of the section of the large rhombic grid giant diagonal column.
As shown in fig. 1e, 2-4 and 6b, the node layer circumferential steel beams are located on the oblique node layer of the large diamond-shaped vertical grid and are composed of end rigid connection beams 22 of the node layer circumferential steel beams and middle rigid connection beams 23 of the node layer circumferential steel beams; corresponding to different height positions of the node layer, all the steel beams on the periphery of the node layer are plane rectangles, and corresponding corners are different. In this embodiment, the node layer periphery girder steel is plane rectangle, and the corner difference of the adjacent node layer periphery girder steel along the direction of height is 45.
As shown in fig. 1a, 1e and 8, the steel beams on the periphery of the node layer are horizontally arranged in a whole circle along the oblique outer cylinder and are rigidly connected, and the through turning points 20 of the secondary batter posts in the grid surface of the side part and the through turning points 21 of the secondary batter posts in the grid surface of the corner part are all arranged in a disconnected way and are rigidly connected by adopting bolt welding; the node layer circumferential steel beam divides each vertical face space large diamond grid into 2 plane triangular grids along the horizontal direction; the cross section of the steel beam on the periphery of the node layer is H-shaped, and the height of the cross section is generally 700-900 mm.
As shown in fig. 1f, 2-4 and 7a-7b, the bottom transfer truss is located at the bottom large-span transfer layer, is horizontally arranged along the bottom of the cross outer cylinder in a full circle and is rigidly connected with the cross node, and consists of an upper chord 24 of the bottom transfer truss, a lower chord 25 of the bottom transfer truss, a vertical web member 26 of the bottom transfer truss and a corner diagonal web member 27 of the bottom transfer truss; the plane is arranged in a rectangular mode with four corners trimmed, each side of the rectangle is in a hollow truss mode with vertical web members encrypted, and the corner is in a truss mode with herringbone diagonal braces. In this embodiment, the plane of the bottom conversion truss is arranged in a rectangular manner with four corners trimmed.
As shown in fig. 1a, 1f and 3-4, the floor batter posts 11 of the large rhombic grid giant batter post are positioned at the corners of a plane rectangle, each plane corner is provided with 2 floor batter posts, and the floor batter posts are rigidly connected through trusses with herringbone batter brace at the corners; the edge area between the floor batter posts 11 is a large-span open web transition truss.
As shown in fig. 1a, 3, and 7a-7b, the top end of the floor batter post 11 of the large diamond-shaped mesh giant batter post is a conversion layer branch node 12 of the large diamond-shaped mesh giant batter post, that is, a bottom intersection node of the large diamond-shaped mesh giant batter post member and the grid surface secondary batter post; the bottom end of the floor inclined column 11 of the large diamond grid large inclined column is provided with a bottom rigid support 13 of the large diamond grid large inclined column, and vertical load is transferred to a foundation through a basement vertical column.
As shown in fig. 3, 7a-7b and 9, the side region large-span hollow transition truss performs transition uplift support on the bottom end of the secondary batter post II 17 in the mesh plane of the rhombus upper triangle of the side region, so as to realize the function of transforming the vertical member of the bottom large space into a building; the height of the truss is generally 1-2 layers according to the floor number, and the height of the truss is 4-10 m; the cross-section of the truss members (24-27) is H-shaped, and the cross-sectional height is typically 500-800 mm. In this embodiment, the side length of the bottom conversion truss is 50m, the height of the truss is 1 layer, the height of the corresponding truss is 5m, and the maximum span of the large bottom space between the floor inclined columns 11 is 35 m.
As shown in fig. 1a, 1g, and 2-4, the other floor steel beams include a periphery connecting steel beam on a non-diagonal node layer, hinged steel beams on all floors (diagonal node layer and non-diagonal node layer) connecting the inner and outer cylinders, and auxiliary steel beams which are hinged and used for floor separation and connection of the inner and outer cylinders.
As shown in fig. 1a, 1g, and 3-4, the joint inner and outer cylinders of other floor steel beams are hinged with the steel beam 29, which is a necessary component in the construction of an integral structural system, and bear large tensile stress in addition to vertical floor load, that is, the external thrust of the diagonal joint of the large rhombic grid giant diagonal column is transferred to the inner core cylinder for horizontal force bearing; the cross section of the device is H-shaped, and the height of the cross section is generally 500-700 mm.
The grid composition, the plane shape and the number of grids on each side of the plane of the large rhombic grid large inclined column, the vertical surface position and the distance arrangement of the in-plane grid sub inclined column, the truss form of the bottom conversion truss and the number of truss layers can be properly adjusted according to the requirements of building modeling, functional space, bottom large space span and boundary conditions, and the composition mode of each part of the vertical surface large rhombic grid large inclined column super-high-rise structure with the bottom conversion can not be influenced.
Example two
As shown in fig. 10, the specific components of the bottom-converted large rhombus grid giant batter post super high-rise structure have the following steps:
s1, connecting and arranging a first batter post 1 of a large rhombic grid huge batter post, a second batter post 2 of the large rhombic grid huge batter post, a third batter post 3 of the large rhombic grid huge batter post and a batter post 4 of the large rhombic grid huge batter post in a crossed manner to form a large rhombic grid 5 at the side part and a large rhombic grid 6 at the corner part, symmetrically arranging outer rings based on a central positioning point 30, and further intersecting to form a vertical-surface space large rhombic grid oblique outer barrel with a plane being a four-corner trimming combination;
s2, the intersection forms at the oblique crossing nodes comprise a combination form of a short beam 7 connected to the middle of the oblique crossing node and intersection nodes 8 at two ends of the short beam of the oblique crossing node, intersection nodes 9 at the tops of the oblique crossing nodes and a truss 10 connected to the bottoms of the oblique crossing nodes, and the nodes are reinforced by internal stiffening plates 31 of the oblique crossing nodes;
s3, arranging the ground-falling inclined columns 11 of the large diamond-shaped grid giant inclined columns at the bottoms of the large diamond-shaped grid giant inclined columns at corners of the large space giant inclined columns, supporting the bottoms of the ground-falling inclined columns 11 of the large diamond-shaped grid giant inclined columns on the bottom rigid supports 13 of the large diamond-shaped grid giant inclined columns, and performing branch supporting on the secondary inclined columns in the grid surfaces through conversion layer branch nodes 12 of the large diamond-shaped grid giant inclined columns at the tops;
s4, forming the internal core barrel by the middle parts 14 of the four sides of the internal core barrel and the edge cutting corner parts 15 of the internal core barrel, and forming a double-barrel lateral force resisting core supporting framework together with the large rhombic grid giant batter posts;
s5, vertical grid division is carried out on the large space rhombic grid by the aid of the secondary batter posts in the grid surface of the rhombic lower triangle at the side part, the secondary batter posts in the grid surface of the rhombic upper triangle at the side part are 16, the secondary batter posts in the grid surface of the rhombic upper triangle at the side part are 17, the secondary batter posts in the grid surface of the rhombic lower triangle at the corner part are 18, and the secondary batter posts in the grid surface of the rhombic upper triangle at the corner part are 19;
s6, the secondary batter post in the grid surface is arranged in a run-through way, and the upper triangular secondary batter post and the lower triangular secondary batter post at the edge part and the corner part are respectively subjected to break angle conversion at the run-through turning point 20 of the secondary batter post in the grid surface at the edge part and the run-through turning point 21 of the secondary batter post in the grid surface at the corner part;
s7, carrying out plane triangular mesh division on the large space diamond-shaped mesh by the node layer circumferential steel beams, wherein the large space diamond-shaped mesh comprises end rigid connection beams 22 of the node layer circumferential steel beams and middle rigid connection beams 23 of the node layer circumferential steel beams;
s8, forming a bottom conversion truss by the upper chord 24 of the bottom conversion truss, the lower chord 25 of the bottom conversion truss, the vertical web members 26 of the bottom conversion truss and the corner inclined web members 27 of the bottom conversion truss;
s9, the bottom end of the secondary inclined column in the grid surface of the edge part is lifted up and converted and supported through the bottom column hinge conversion node 28 of the bottom conversion truss generated in the step S8, and the stiffening plate 32 of the bottom column hinge conversion node is arranged at the upper chord 24 of the bottom conversion truss for reinforcement;
s10, the end part rigid connection beam 22 of the node layer periphery steel beam, the middle rigid connection beam 23 of the node layer periphery steel beam, the node layer inner and outer cylinder hinged connection steel beam 29 and the non-node layer steel beam form a floor steel beam together.
EXAMPLE III
The invention also provides application of the vertical surface large rhombic grid giant inclined column super high-rise structure with bottom conversion in design and bearing of a bottom large-space large column conversion and four-corner trimming combined double-barrel building modeling super high-rise structure system of a vertical surface large rhombic grid inclined column, wherein the super high rise refers to that the structure height is not less than 100 meters, and the bottom large-space large column conversion refers to that the maximum bottom space span is not less than 30 meters.
Compared with the defects of the prior art, the vertical face large rhombus grid giant inclined column super high-rise structure with the bottom conversion provided by the invention is based on the fact that the large rhombus grid giant inclined column and the inner core tube are combined to form a double-cylinder lateral force resistant core supporting framework, vertical grid subdivision and plane triangular grid division of a large space rhombus grid are respectively realized through a grid face secondary inclined column and a node layer circumferential steel beam, the bottom large space vertical component conversion is realized by lifting the supporting grid face secondary inclined column on the bottom conversion truss, an integral stress mode is formed, and the bottom large space conversion and the four-corner trimming of the vertical face large rhombus grid inclined column are realized to combine the modeling and the function of a double-cylinder super high-rise building. The structural system component has definite modules, clear force transmission, accords with the design principle of integral stress and bearing mode, and can realize bottom large space conversion and design and bearing of a four-corner trimming combined double-barrel building modeling super high-rise structural system of a vertical-face large rhombic grid inclined column. Based on bearing performance analysis, the advantages of large space conversion, high side resistance and large diamond grid four-corner trimming combined double-barrel modeling of the vertical-surface large diamond grid giant batter post super high-rise structure with bottom conversion can be further ensured by controlling the overall performances such as member stress, deformation rigidity, torsion-resistant period ratio and the like.
Claims (8)
1. A large rhombic grid giant inclined column super high-rise structure with converted bottom surface is characterized in that: the large rhombic grid giant inclined column comprises a large rhombic grid giant inclined column, an internal core tube, a grid surface inner secondary inclined column, node layer circumferential steel beams, a bottom conversion truss and other floor steel beams;
the large rhombic grid giant inclined column is formed by cross connection of two-way large inclined column members and is arranged in a high-falling mode, so that a vertical-surface space large rhombic grid inclined outer cylinder with a plane formed by combining four corner trimming is formed;
the inner core cylinder is positioned in the center of the inner side of the large rhombic grid giant batter post, is arranged in a through-high landing mode, consists of surrounding shear walls with four corner cut edges and connecting beams, and forms a double-cylinder lateral force resisting core supporting framework together with the large rhombic grid giant batter post;
the grid surface secondary inclined columns are positioned in the vertical surface grid surfaces of the large rhombic grid large inclined columns, the single large rhombic grids are arranged in a penetrating mode along the vertical surface and are subjected to vertical grid subdivision, and the bottoms of the grid surface secondary inclined columns are supported on the bottom conversion truss to form a non-landing arrangement mode;
the node layer circumference steel beams are positioned on the oblique crossing node layers of the vertical face large diamond-shaped grids, are horizontally arranged along the oblique crossing outer cylinders of the vertical face large diamond-shaped grids in a whole circle and are rigidly connected, the joints of the node layer circumference steel beams and the grid face inner secondary batter posts are communicated by the secondary batter posts, and each vertical face large diamond-shaped grid is uniformly divided into two plane triangular grids along the horizontal direction by the node layer circumference steel beams;
the bottom conversion truss is positioned on the bottom large-span conversion layer, is horizontally arranged along the whole circle of the bottom of the vertical-face space large-diamond-shaped grid diagonal outer cylinder and is rigidly connected with the diagonal nodes;
the other floor steel beams comprise periphery connecting steel beams of a non-oblique node layer and hinged steel beams of all floors connecting the inner barrel and the outer barrel, and the other floor steel beams are hinged and connected and serve as auxiliary steel beams for floor separation and inner barrel and outer barrel connection;
the large rhombic grid large inclined column is formed by connecting forward and backward groups of large inclined column members in a crossed and crossed manner, and comprises a first inclined column (1) of the large rhombic grid large inclined column, a second inclined column (2) of the large rhombic grid large inclined column, a third inclined column (3) of the large rhombic grid large inclined column and a fourth inclined column (4) of the large rhombic grid large inclined column, wherein the large rhombic grid (5) at the side part and the large rhombic grid (6) at the corner part are respectively formed corresponding to different positions; the large rhombic grid diagonal outer cylinder takes a central positioning point (30) as a center, and planes are arranged in a biaxial symmetrical manner; the cross positions of the oblique columns are in a spatial convex oblique node form, and the oblique node form comprises an oblique node form in which huge oblique column members are converged at converging nodes (8) at two ends of an oblique node short beam and are connected and combined through a middle connecting short beam (7) of the oblique node, an oblique node form in which the huge oblique column members are converged at top converging nodes (9) of the oblique node, and an oblique node form in which the huge oblique column members are converged at a bottom connecting truss (10) of the oblique node, and the oblique node forms are respectively positioned at the middle part, the top part and the bottom height position of the super high-rise structure; an internal stiffening plate (31) of the diagonal node is arranged at the diagonal node;
the plane form of the large rhombic grid diagonal outer cylinder is rectangular, and the middle of each side of the plane is convexly arranged at the height of a diagonal node; only a single large diamond-shaped oblique crossing grid is arranged on each side edge and each corner of the rectangle, a lower triangular grid of four large diamond-shaped grids and an upper triangular grid of four large diamond-shaped grids are respectively arranged at each floor height along the circumference, namely, the floor plane sectioning is in a four-corner trimming combination form; the oblique nodes are connected to the inner core barrel through node inner and outer barrels hinged connection steel beams (29); the included angle between the first batter post (1) of the large rhombic grid large batter post and the second batter post (2) of the large rhombic grid large batter post, and the included angle between the third batter post (3) of the large rhombic grid large batter post and the fourth batter post (4) of the large rhombic grid large batter post are 30-70 degrees, and the maximum distance between batter post members is 30-50 m; the height of the covering floor of the single group of rhombic grids is 8-12 layers; the cross section of the batter post member is box-shaped.
2. The bottom-converted large diamond-shaped mesh giant batter post super high-rise structure of claim 1, wherein: the plane form of the internal core cylinder is rectangular and consists of four-side middle parts (14) of the internal core cylinder and trimming corner parts (15) of the internal core cylinder; and a section steel column is embedded in the corner of the inner core cylinder.
3. The bottom-converted large diamond-shaped mesh giant batter post super high-rise structure of claim 1, wherein: the large rhombic grids (5) corresponding to the sides, the secondary batter posts in the grid planes comprise a first secondary batter post (16) in the grid plane of a lower rhombic triangle at the sides and a second secondary batter post (17) in the grid plane of an upper rhombic triangle at the sides, and the first secondary batter post and the second secondary batter post are subjected to bevel conversion at a through turning point (20) of the secondary batter post in the grid plane at the sides at the height of the node layer; the large rhombic grids (6) corresponding to the corners, the secondary batter posts in the grid planes comprise a first grid plane secondary batter post (18) of a corner rhombic lower triangle and a second grid plane secondary batter post (19) of a corner rhombic upper triangle, and the first grid plane secondary batter post and the second grid plane secondary batter post are subjected to bevel conversion at a through turning point (21) of the corner grid plane secondary batter post at the height of the node layer; two ends of the secondary batter post in the grid surface are converged at the diagonal nodes of the large rhombic grid giant batter post; the bottom of a secondary oblique column II (17) in a triangular grid plane on the edge part is supported on the bottom conversion truss through a bottom column hinge conversion node (28) to form a non-landing arrangement form; the bottom column hinge conversion node (28) is in a one-way rotatable column hinge connection mode along the direction vertical to the truss; a stiffening plate (32) of a bottom column hinge conversion node is arranged on an upper chord (24) of the bottom conversion truss corresponding to the column hinge supporting position; the cross section of the secondary batter post in the grid surface is box-shaped; the joint of the secondary inclined column and the large rhombic grid large inclined column in the grid surface is subjected to load-bearing transition conversion by extending the crossed plates of the large rhombic grid large inclined column, and the extension length is 1.0-1.5 times of the side length of the section of the large rhombic grid large inclined column.
4. The bottom-converted large diamond-shaped mesh giant batter post super high-rise structure of claim 1, wherein: the node layer circumferential steel beam consists of a rigid connection beam (22) at the end part of the node layer circumferential steel beam and a rigid connection beam (23) in the middle of the node layer circumferential steel beam; corresponding to different height positions of the oblique crossing node layer, all the steel beams on the periphery of the node layer are planar rectangles; the node layer circumferential steel beams are horizontally arranged in a whole circle along the large rhombic grid oblique crossing outer cylinder in the vertical surface space and are rigidly connected, and the node layer circumferential steel beams are disconnected at the through turning points (20) of the secondary oblique columns in the side grid surface and the through turning points (21) of the secondary oblique columns in the corner grid surface and are rigidly connected by adopting bolt welding; the node layer circumferential steel beam divides each vertical face space large diamond grid into two plane triangular grids along the horizontal direction; the cross section of the steel beam on the periphery of the node layer is H-shaped.
5. The bottom-converted large diamond-shaped mesh giant batter post super high-rise structure of claim 1, wherein: the bottom conversion truss consists of an upper chord member (24) of the bottom conversion truss, a lower chord member (25) of the bottom conversion truss, a vertical web member (26) of the bottom conversion truss and an angle inclined web member (27) of the bottom conversion truss; the plane of the truss is rectangular with four corners trimmed, each side of the rectangle is in a hollow truss form with encrypted vertical web members, the vertical web members (26) of the bottom conversion truss are arranged on each side of the rectangle, the corners are in a truss form with herringbone diagonal braces, and the corner diagonal web members (27) of the bottom conversion truss are arranged at the corners of the rectangle; the floor inclined columns (11) of the large rhombic grid large inclined column are positioned at corners of a plane rectangle, each corner is provided with two floor inclined columns, and the floor inclined columns are rigidly connected through trusses with herringbone inclined supporting rods at the corners; the side area between the floor inclined columns (11) of the large rhombic grid giant inclined columns is a large-span hollow conversion truss, and the bottom ends of secondary inclined columns II (17) in the triangular grid surfaces on the rhombus at the side part are subjected to conversion uplift support; the top end of the floor inclined column (11) of the large diamond grid large inclined column is a conversion layer branch node (12) of the large diamond grid large inclined column, namely a bottom intersection node of the large diamond grid large inclined column component and the grid surface inner secondary inclined column; the bottom end of the floor inclined column (11) of the large diamond grid large inclined column is provided with a bottom rigid support (13) of the large diamond grid large inclined column; the height of the bottom conversion truss is 1-2 layers according to the floor number, and the height of the corresponding truss is 4-10 m; the cross sections of the upper chord (24) of the bottom conversion truss, the lower chord (25) of the bottom conversion truss, the vertical web member (26) of the bottom conversion truss and the corner diagonal web member (27) of the bottom conversion truss are H-shaped, and the height of the cross section is 500-800 mm.
6. The bottom-converted large diamond-shaped mesh giant batter post super high-rise structure of claim 1, wherein: the cross section of the joint layer inner and outer cylinders hinged connection steel beam (29) in the steel beams of other floors is H-shaped, and the height of the cross section is 500-700 mm.
7. The method for constructing the bottom-converted large-diamond-shaped vertical-surface grid giant-inclined-column super high-rise structure according to claim 1, comprising the following steps of:
s1, connecting and arranging a first batter post (1) of a large rhombic grid giant batter post, a second batter post (2) of the large rhombic grid giant batter post, a third batter post (3) of the large rhombic grid giant batter post and a batter post (4) of the large rhombic grid giant batter post in a crossed manner to form a large rhombic grid (5) at the side part and a large rhombic grid (6) at the corner part, and arranging symmetrically and externally on the basis of a central positioning point (30) to further form a vertical surface space large rhombic grid diagonal outer cylinder with a plane being a four-corner trimming combination;
s2, the intersection form at the oblique node comprises a combination form of a short beam (7) connected to the middle of the oblique node and intersection nodes (8) at two ends of the short beam of the oblique node, a top intersection node (9) of the oblique node and a bottom connection truss (10) of the oblique node, and the nodes are reinforced by internal stiffening plates (31) of the oblique node;
s3, arranging the floor inclined columns (11) of the large diamond grid giant inclined columns at the bottoms of the large diamond grid giant inclined columns at corners of the large space giant inclined columns, supporting the bottoms of the floor inclined columns (11) of the large diamond grid giant inclined columns on bottom rigid supports (13) of the large diamond grid giant inclined columns, and performing branch supporting on the secondary inclined columns in the grid surfaces through conversion layer branch nodes (12) of the large diamond grid giant inclined columns at the tops;
s4, forming the internal core barrel by the four-side middle parts (14) of the internal core barrel and the edge cutting corner parts (15) of the internal core barrel, and forming a double-barrel lateral force resisting core supporting framework together with the large rhombic grid giant batter posts;
s5, vertical grid division is carried out on the space large rhombic grid by the grid inner secondary batter post (16) of the side rhombic lower triangle, the grid inner secondary batter post (17) of the side rhombic upper triangle, the grid inner secondary batter post (18) of the corner rhombic lower triangle and the grid inner secondary batter post (19) of the corner rhombic upper triangle;
s6, the secondary batter post in the grid surface is arranged in a run-through way, and the upper triangular secondary batter post and the lower triangular secondary batter post at the edge part and the corner part are respectively subjected to break angle conversion at the run-through turning point (20) of the secondary batter post in the grid surface at the edge part and the run-through turning point (21) of the secondary batter post in the grid surface at the corner part;
s7, carrying out plane triangular mesh division on the large space diamond mesh by the node layer circumferential steel beams, wherein the large space diamond mesh comprises end rigid connection beams (22) of the node layer circumferential steel beams and middle rigid connection beams (23) of the node layer circumferential steel beams;
s8, forming a bottom conversion truss by an upper chord (24) of the bottom conversion truss, a lower chord (25) of the bottom conversion truss, a vertical web member (26) of the bottom conversion truss and an angle inclined web member (27) of the bottom conversion truss;
s9, the bottom end of the secondary inclined column in the grid surface of the edge part is lifted up and converted and supported through a bottom column hinge conversion node (28) of the bottom conversion truss generated in the step S8, and a stiffening plate (32) of the bottom column hinge conversion node is arranged at the upper chord (24) of the bottom conversion truss for reinforcement;
s10, the end part rigid connection beam (22) of the node layer periphery steel beam, the middle rigid connection beam (23) of the node layer periphery steel beam, the node layer inner and outer cylinder hinged connection steel beam (29) and the non-node layer steel beam jointly form a floor steel beam.
8. The use of the bottom-converted vertical-face rhomboid grid giant batter post superelevation structure of claim 1 in bottom large-span space giant post conversion and four-corner trimming combined double-barrel building-shaped superelevation structure system design and bearing of vertical-face rhomboid grid batter post.
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Inventor after: Wang Zhen Inventor after: Yang Xuelin Inventor after: Zhao Yang Inventor after: Qu Haochuan Inventor after: Cheng Junting Inventor after: Wu Xiaoping Inventor before: Wang Zhen Inventor before: Wu Xiaoping Inventor before: Zhao Yang Inventor before: Yang Xuelin Inventor before: Qu Haochuan Inventor before: Cheng Junting |