CN113585761B - Construction platform structure of ultrahigh dome structure and construction method thereof - Google Patents
Construction platform structure of ultrahigh dome structure and construction method thereof Download PDFInfo
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- CN113585761B CN113585761B CN202111056638.3A CN202111056638A CN113585761B CN 113585761 B CN113585761 B CN 113585761B CN 202111056638 A CN202111056638 A CN 202111056638A CN 113585761 B CN113585761 B CN 113585761B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
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Abstract
The invention relates to a construction platform structure of an ultrahigh dome structure and a construction method thereof, wherein the construction platform structure comprises: the support is arranged on a floor slab at the bottom of the main body structure, and the top of the support extends out of the top of the main body structure and forms a supporting end part; the fixing frame is erected at the top of the main body structure and is fixedly connected with the supporting column; and the operating platform is arranged at the end part of the support and is in a horizontal shape. The application discloses construction platform structure can enough guarantee safe construction, and area is little, and the construction volume of installation and dismantlement is little, has avoided setting up full hall scaffold frame as the construction platform's of dome steel construction mode construction volume very big, consume a large amount of manpower and materials's problem.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a construction platform structure of an ultrahigh dome structure and a construction method thereof.
Background
A certain library roof dome steel structure is located at the top upper part of a main structure of the library, the bottom elevation of the whole dome steel structure is +63.900m (the top elevation of the main structure), the top elevation of the structure is +93.30m, and the total height of the dome steel structure is 29.4m. The steel structure system comprises an inverted triangle square tube truss, a plane square tube truss, square tube connecting beams among the trusses, square tube beams and an H-shaped beam top cover. The maximum span of the inverted triangular square tube truss is about 64 meters, the maximum span of the plane square tube truss is 57.1 meters, the internal space span of the truss is about 46 meters, and the total steel consumption of the whole dome steel structure is about 480 tons.
Because the mounted position of whole dome steel construction is higher, the span is big, weight is big, if adopt the construction platform of current full hall scaffold frame of setting up as the dome steel construction, then the scaffold frame must be very high just can reach the elevation position of dome steel construction, and the construction volume is very big, consumes a large amount of manpower and materials.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a construction platform structure of an ultrahigh dome structure and a construction method thereof, so as to solve the problems that the construction amount is very large and a large amount of manpower and material resources are consumed in the conventional method of erecting a full scaffold as a construction platform of a dome steel structure.
In order to achieve the above object, the present invention provides a construction platform structure of an ultra-high dome structure, for mounting a dome structure on the top of a main structure; the construction platform structure includes:
the support column is supported on a bottom floor slab of the main body structure, and the top of the support column extends out of the top of the main body structure and forms a supporting end part;
the fixing frame is erected at the top of the main body structure and is fixedly connected with the supporting column; and
and the operating platform is arranged at the supporting end part and is in a horizontal shape.
According to the dome steel structure, the supporting columns are arranged on the bottom floor of the main structure, the operating platform is arranged at the supporting end, the supporting columns are fixed through the fixing frames erected at the top of the main structure, so that the phenomenon that the whole supporting columns are inclined due to overhigh height is avoided, the stress performance and the stability of the whole supporting columns are enhanced, the whole dome steel structure is generally divided into a plurality of dome units for installation, the bottom ends of the dome units are firstly installed on the top of the main structure during installation, and then the top ends of the dome units are installed and connected on the operating platform assembly.
The construction platform structure of the ultra-high dome structure is further improved in that the construction platform structure further comprises a supporting piece and a clamping component, wherein the supporting piece is arranged on the top of the main body structure and is used for supporting the fixing frame, and the clamping component is clamped on the supporting piece and the fixing frame;
and the supporting piece is fixedly connected with the fixed frame through the clamping hoop assembly.
The construction platform structure of the ultrahigh dome structure is further improved in that the clamping component comprises at least one pair of U-shaped bolts and a limiting piece, wherein the at least one pair of U-shaped bolts is clamped on the supporting piece and positioned at two sides of the fixing frame, and the limiting piece is sleeved on the pair of U-shaped bolts and positioned on the supporting piece;
the end part of the U-shaped bolt is higher than the top surface of the limiting part and is fixedly connected with the U-shaped bolt through a nut, so that the pair of U-shaped bolt and the limiting part clamp the supporting part and the fixing frame.
The construction platform structure of the ultrahigh dome structure is further improved in that the main body structure comprises a plurality of floors;
the construction platform structure further comprises a reinforcing frame arranged at intervals along the length direction of the pillar, and one end, far away from the pillar, of the reinforcing frame is arranged on the corresponding floor slab and is fixedly installed on the corresponding floor slab.
The construction platform structure of the ultrahigh dome structure is further improved in that the construction platform structure further comprises embedded components which are embedded and fixed on the corresponding floor slab corresponding to the arrangement position of the reinforcing frame, and the embedded components are partially exposed out of the top surface of the corresponding floor slab;
the reinforcing frame is fixedly connected with the corresponding embedded component.
The construction platform structure of the ultra-high dome structure is further improved in that the construction platform structure further comprises stiffening plates symmetrically arranged on two sides of the reinforcing frame, the stiffening plates are fixedly connected with the corresponding embedded components, and the reinforcing frame is clamped and fixed through the stiffening plates on two sides of the reinforcing frame.
The construction platform structure of the ultrahigh dome structure is further improved in that the construction platform structure further comprises a steel support assembly arranged on the bottom floor corresponding to the arrangement position of the support.
The construction platform structure of the ultrahigh dome structure is further improved in that the bottom floor slab is a bottom floor slab;
the construction platform structure further comprises a top support assembly which corresponds to the arrangement position of the support column and is arranged between the first floor and the second floor so as to support the second floor.
The construction platform structure of the ultrahigh dome structure is further improved in that the jacking component comprises a support frame which is arranged on the bottom floor slab corresponding to the arrangement position of the support column, a jacking piece which is arranged on the support frame and can be telescopically adjusted, and a steel member which is arranged between the jacking piece and the bottom floor slab;
and the length of the jacking component is adjusted to enable the steel component to be tightly jacked on the bottom two-layer floor slab.
The invention also provides a construction method of the construction platform structure of the ultrahigh dome structure, which comprises the following steps:
providing a strut, supporting the strut on a bottom floor slab of a main body structure, and continuously assembling a new strut upwards until the strut at the top end extends out of the top of the main body structure to form a supporting end part;
providing a fixing frame, erecting the fixing frame at the top of the main body structure, and fixedly connecting the fixing frame with the supporting column;
and providing an operating platform, wherein the operating platform is horizontal, and the operating platform assembly is arranged at the supporting end part.
Drawings
Fig. 1 is a schematic structural view of a construction platform structure of an ultra-high dome structure according to the present invention.
Fig. 2 is a partial enlarged schematic view of the construction platform structure of the ultra-high dome structure of the present invention, showing the joint of the dome structure and the operation platform assembly.
Fig. 3 is a schematic structural view of an operation platform assembly in the construction platform structure of the ultra-high dome structure of the present invention.
Fig. 4 is a top view of the operation platform assembly in the construction platform structure of the ultra-high dome structure of the present invention.
Fig. 5 is a schematic structural diagram of a lower chord, a U-shaped bolt, a supporting member and a limiting member in the construction platform structure of the ultra-high dome structure of the invention.
Fig. 6 is a schematic cross-sectional view taken along the direction B-B in fig. 5.
Fig. 7 is a front view of a reinforcing frame, a buried component and a stiffening plate in the construction platform structure of the ultra-high dome structure of the invention.
Fig. 8 is a side view of the reinforcing frame, the embedded components and the stiffening plates in the construction platform structure of the ultra-high dome structure of the present invention.
Fig. 9 is a schematic structural view of a buried component in an embodiment of the construction platform structure of the ultra-high dome structure of the present invention.
Fig. 10 is a schematic structural view of a buried component in another preferred embodiment of the construction platform structure of the ultra-high dome structure of the present invention.
Fig. 11 is a schematic structural diagram of a top bracing assembly and a steel support assembly in the construction platform structure of the ultra-high dome structure.
Fig. 12 is a schematic cross-sectional view taken along the line C-C in fig. 11.
Fig. 13 is a plan view of a steel member in the construction platform structure of the ultra-high dome structure of the present invention.
Fig. 14 is a schematic structural view of a first lattice column in the construction platform structure of the ultra-high dome structure of the present invention.
In the figure: the structure comprises a supporting column 10, a fixed frame 20, a lower chord 21, an operation platform assembly 30, a frame 31, steel plates 32, an access 321, a supporting plate 33, a reinforcing seat 34, a butt rod 35, a clamping hoop assembly 40, a U-shaped bolt 41, a supporting member 42, a limiting member 43, a reinforcing frame 50, a buried assembly 60, a stiffening plate 61, a buried member 62, a buried plate 63, a steel support assembly 70, a supporting rod 71, a cross beam 72, a connecting rod 73, a bottom frame 74, a top support assembly 80, a supporting frame 81, a top extending member 82, a steel member 83, a transverse rod 831, a vertical rod 84, a dome steel structure 91, a top portion 92 of a main structure, a floor slab 93, a bottom floor slab 931 and a bottom floor slab 932.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a construction platform structure of an ultrahigh dome structure and a construction method thereof, which are used for providing an operation platform assembly for the installation of a dome steel structure. The invention includes: pillar, operation platform subassembly and mount, this application is through installing the pillar, and at the support tip installation operation platform subassembly of pillar, constructor can stand and carry out welded connection to the top of multi-disc dome unit on the operation platform subassembly, thereby realize the location installation to multi-disc dome unit, because the construction platform structure of this application can enough guarantee safe construction, and area is little, the construction volume of installation and dismantlement is little, the mode construction volume of having avoided setting up full hall scaffold frame as the construction platform of dome steel construction is very big, consume the problem of a large amount of manpower and materials.
The construction platform structure of the ultra-high dome structure and the construction method thereof according to the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, in the present embodiment, a construction platform structure of an ultra-high dome structure for installing a dome structure on the top of a main structure, the construction platform structure includes: a support pillar 10 supported on the bottom floor of the main structure, wherein the top of the support pillar 10 extends out of the top of the main structure and forms a supporting end part; the fixing frame 20 is erected at the top of the main body structure, and the fixing frame 20 is fixedly connected with the support; a horizontal operating platform 30 mounted on the supporting end.
The fixed pillar 10 of mount 20 through setting up in major structure's top department of construction platform structure in this embodiment is in order to avoid taking place the slope because holistic pillar 10 is too high, strengthen holistic pillar 10's atress performance and steadiness, constructor can realize climbing from top to bottom safely on pillar 10, also ensure the stationarity of operation platform subassembly 30 simultaneously, can conveniently carry out welded connection to the top of multi-disc dome unit through operation platform subassembly 30, because construction platform structure area is little, the construction volume of installation and dismantlement is little, the mode construction volume of having avoided setting up full hall scaffold as the construction platform of dome steel construction 91 is very big, consume the problem of a large amount of manpower and materials.
The tension fixing between the supporting column 10 and the top 92 of the main structure is performed by at least one pair of fixing frames 20 to prevent the integral supporting column 10 from being inclined due to the over height, enhance the force bearing performance and the stability of the integral supporting column 10,
referring to fig. 4 and 5, in the present embodiment, the construction platform structure further includes a supporting member 42 disposed on the top 92 of the main body structure and supporting the fixing frame 20, and a clamping member 40 clamped between the supporting member 42 and the fixing frame 20; the supporting piece 42 is fixedly connected with the fixing frame 20 through the clamping hoop assembly 40, so that the fixing frame 20 can be conveniently installed and fixed, and the installation and the disassembly are convenient and more flexible.
Referring to fig. 4, 5 and 14, preferably, the clamping assembly 40 further includes at least a pair of U-shaped bolts 41 clamped on the supporting member 42 and located at two sides of the fixing frame 20, and a limiting member 43 sleeved on the pair of U-shaped bolts 41 and located on the supporting member 42; the end of the U-bolt 41 is higher than the top surface of the position-limiting member 43, and is fastened to the U-bolt 41 by a nut, so that the pair of U-bolts 41 and the position-limiting member 43 clamp the support member 42 and the fixing frame 20, and the installation and the disassembly are more convenient.
Referring to fig. 4, 5 and 14, preferably, the support column 10 is a first lattice column, the first lattice column is shaped to facilitate climbing of a constructor, and can be used as a ladder for a construction passage, the fixing frame 20 is a beret beam and includes two truss units that are arranged in parallel and connected to each other, the truss units are connected to corresponding corners of the first lattice column through pins, two pairs of U-shaped bolts 41 are arranged at one end of a lower chord of each truss unit, which is far away from the support column 10, each pair of U-shaped bolts 41 are arranged at two sides of the lower chord of the corresponding truss unit, the limiting members 43 are sleeved on an end of one U-shaped bolt 41 in each pair of U-shaped bolts 41 and an end of the other U-shaped bolt 41 adjacent to the U-shaped bolt, the limiting members 43 are angle steels, the direction of the support member 42 is perpendicular to the direction of the lower chord, nuts are fastened to the U-shaped bolts 41 and abut against the U-shaped bolts 41, the support member 42 and the lower chord are clamped between the U-shaped bolts 41 and the angle steels, the position of the support member 42 in the top 92 of the main structure is exposed from the top surface 62 of the embedded member, and the embedded member 92 is fixed to the embedded structure 62, and the embedded member 92.
Further, the fixing frames 20 are two pairs and the two pairs of fixing frames 20 are in a cross shape.
Referring to fig. 1, in one embodiment, the main structure includes a plurality of floors 93, and the construction platform structure further includes a plurality of reinforcing frames 50 spaced along the length of the support 10, preferably, a plurality of pairs of reinforcing frames 50, each pair of reinforcing frames 50 being symmetrically installed on the support 10, one end of each reinforcing frame 50 away from the support 10 being placed on the corresponding floor 93 and fixed to the corresponding floor 93, and the reinforcing frame 50 being located between the fixing frame 20 and the bottom floor. In another preferred embodiment, at least two sets of reinforcing frames 50 are spaced apart along the length of the support post 10, each set of reinforcing frames 50 including two pairs of reinforcing frames 50 in a cross shape, each pair of reinforcing frames 50 being symmetrically mounted on the support post 10, the reinforcing frames 50 being trusses. The reinforcing frame 50 is fixed between the supporting pillar 10 and the floor 93 by tension, so that the bearing performance and the stability of the integral supporting pillar 10 are further enhanced to prevent the supporting pillar 10 from being inclined due to the over height.
Referring to fig. 9, in an embodiment, the construction platform structure further includes a fixing component 60 fixed on the corresponding floor 93 at a position corresponding to the position of the reinforcing frame 50, and a part of the fixing component 60 is exposed from the top surface of the corresponding floor 93; the reinforcing frame 50 is fixedly connected with the corresponding embedded component 60. Preferably, the embedded component 60 includes a plurality of embedded parts 62 embedded in the floor slab 93 and embedded plates 63 fixed on top ends of the embedded parts 62, and the embedded plates 63 are exposed from top surfaces of the corresponding floor slabs 93. The reinforcing frame 50 is disposed on the buried plate 63 and is welded and fixed to the buried plate 63.
Referring to fig. 10, in another preferred embodiment, the embedded member 62 passes through the embedded plate 63 and is fixed to the embedded plate 63 by a fastener. The embedded parts 62 are 9 chemical anchor bolts, the diameter of each chemical anchor bolt is 20mm (the anchoring length is more than or equal to 300 mm), and the embedded parts are connected with the embedded plates 63 through bolts.
Referring to fig. 7 and 8, further, the construction platform structure further includes stiffening plates 61 symmetrically disposed at both sides of the reinforcing frame 50, and the stiffening plates 61 are fixedly connected to the corresponding embedded components 60 to clamp the reinforcing frame 50 by the stiffening plates 61 disposed at both sides of the reinforcing frame 50. Preferably, the stiffening plate 61 vertically stands on the buried plate 63 and is welded and fixed with the buried plate 63.
Referring to fig. 11 and 12, in the present embodiment, the construction platform structure further includes a steel support assembly 70 installed above the bottom floor corresponding to the installation position of the pillars 10, to increase the area of the bottom of the construction platform structure, so as to enhance the stability of the construction platform structure. Preferably, the steel support assembly 70 comprises at least two pairs of support rods 71 longitudinally installed at intervals on the bottom floor, a pair of cross beams 72 transversely installed on the at least two pairs of support rods 71, a connecting rod 73 fixedly connected between the pair of cross beams 72, and a bottom frame 74 installed on the pair of cross beams 72 corresponding to the installation position of the support column 10, wherein the support column 10 is installed on the bottom frame 74, and the bottom frame 74 comprises a steel member in a square shape and diagonal support members obliquely installed in the steel member and located at the diagonal line of the steel member. The base bears the load transmitted by the pillar 10, and then the cross beam 72 transmits the load to the support rod 71, so that the load is prevented from being excessively concentrated at one position of the bottom floor slab to damage the bottom floor slab. Specifically, the support rod 71, the cross beam 72 and the connecting rod 73 are i-shaped steel.
Referring to fig. 1 and 11, in one embodiment, the bottom floor is a bottom floor, and the construction platform structure further includes a top brace assembly 80 installed between the bottom floor 931 and a bottom floor 932 corresponding to the installation position of the columns 10 to support the bottom floor 932.
Referring to fig. 1, 11 and 13, further, the top bracing assembly 80 includes a supporting frame 81 installed on the bottom floor 931 corresponding to the installation position of the support column 10, a telescopically adjustable top-extending member 82 installed on the supporting frame 81, and a steel member 83 installed between the top-extending member 82 and the bottom floor 932; the length of the jacking members 82 is adjusted to make the steel members 83 tightly against the bottom second floor 932. Preferably, a two-story structural beam is provided below the bottom two-story floor 932 in a position corresponding to the position of the column 10, and the steel member 83 is interposed between the two-story structural beam and the roof member 82. The support frame 81 is the second lattice column, and the top extension piece 82 is the jack, and the steel member 83 is cross shape and includes two transverse rods 831 that mutually perpendicular connects, and the top bracing subassembly 80 still includes the vertical rod 84 of locating between second lattice column and transverse rod 831. The jack is used for supporting the bottom second floor 932 to prevent the bottom second floor 932 from being damaged due to overlarge acting force of the strut 10 on the bottom second floor 932. Specifically, the transverse bar 831 and the vertical bar 84 are i-beams.
Referring to fig. 2, 3 and 4, the operation platform assembly 30 includes a frame 31 provided on the top of the support column 10, a steel plate 32 provided on the frame 31, and a support plate 33 supported diagonally between the frame 31 and the support column 10. Preferably, the construction platform structure further includes a reinforcing base 34 disposed on the steel plate 32 at a position corresponding to the setting position of the pillar 10, a plurality of opposite connecting rods 35 disposed on the reinforcing base 34 and connected in a butt joint manner, each pair of opposite ends of the opposite connecting rods 35 is formed with a connecting end portion, preferably, the reinforcing base 34 includes four vertical rods disposed on the steel plate 32 at a position corresponding to the setting position of the pillar 10 and distributed in a square matrix, a frame body disposed on the four vertical rods and shaped like a Chinese character kou, and an oblique member disposed in the frame body and located at a diagonal of the frame body, the four vertical rods of the reinforcing base and the four rod members of the lattice column are disposed in a one-to-one correspondence manner, the dome structure includes a plurality of pairs of dome units connected in a splicing manner, the connecting end portion of each pair of the opposite connecting rods 35 is mounted and connected to the top ends of the corresponding pair of dome units, the pair of dome units of the reinforcing base 34 are connected in a butt joint manner, so that the pair of dome units of the reinforcing base 34 are connected into a whole and are not stressed transversely, and the load of the dome units is transferred to the reinforcing base 34, thereby ensuring that the supporting and the load of the construction platform structure is stably transferred to the reinforcing base 34 when the dome unit.
Preferably, each dome unit comprises an upper truss chord, a lower truss chord and a plurality of diagonal members which are installed and connected between the upper truss chord and the lower truss chord, and the top of the lower truss chord is installed and connected with the corresponding butt-joint rod 35. The frame 31 includes a rectangular central member and a right-angled triangular corner member provided at a corner of the central member, the right angle of the corner member is in butt joint with the corner of the central member, and the steel plate 32 is provided with an entrance 321 for people to get on and off.
In one embodiment, the main structure includes a wall, a plurality of floors spaced apart from each other on the wall, and a ring beam disposed on the top of the wall, wherein the fixing frame 20 is erected on the ring beam, and the dome structure is mounted on the ring beam.
The construction flow of the construction platform structure of the ultra-high dome structure of the present invention will be explained.
Installing the supporting frame 81 on the bottom floor 931 corresponding to the installation position of the pillar 10; providing a top extension piece 82, wherein the top extension piece 82 can be telescopically adjusted, and placing the top extension piece 82 on the supporting frame 81; placing the steel member 83 between the top extension 82 and the bottom second floor 932; the length of the jacking members 82 is adjusted to make the steel members 83 tightly against the bottom second floor 932. The shoring unit 80 is installed between the first floor 931 and the second floor 932 in correspondence to the position of the column 10 to support the second floor 932. The pillars 10 are erected on the floor at the bottom of the main structure and new pillars are continuously assembled upwards until the pillars at the top end extend out of the top of the main structure. At least one pair of reinforcing frames 50 are arranged at intervals along the length direction of the support column 10, each pair of reinforcing frames 50 are symmetrically arranged on the support column 10, and one end of each reinforcing frame 50 far away from the support column 10 is arranged on the corresponding floor slab 93 and is fixedly arranged with the corresponding floor slab 93. At least one pair of fixing frames 20 are symmetrically and transversely arranged on the pillar 10, and one end of each fixing frame 20 far away from the pillar 10 is arranged on the top 92 of the main structure and is fixedly arranged with the top 92 of the main structure. An operation platform assembly 30 is mounted to the support end.
Referring to fig. 1, the present invention also provides a construction method of a construction platform structure of an ultra-high dome structure, including the steps of:
providing a strut 10, erecting the strut 10 on a bottom floor of the main body structure, and continuously assembling a new strut upwards until the strut at the top end extends out of the top of the main body structure to form a supporting end part;
providing a fixing frame 20, erecting the fixing frame 20 at the top of the main body structure, and fixedly connecting the fixing frame 20 with the strut 10;
an operation platform assembly 30 is provided, the operation platform 30 is provided in a horizontal shape, and the operation platform assembly 30 is installed at the supporting end.
Referring to fig. 4 and 5, further, when the fixing frame 20 is installed, the supporting member 42 and the clamping assembly 40 are provided, the supporting member 42 is disposed on the top portion 92 of the main body structure corresponding to the position of the fixing frame 20, the fixing frame 20 is disposed on the supporting member 42, and the clamping assembly 40 is used for clamping the supporting member 42 and the fixing frame 20, so as to fixedly connect the supporting member 42 and the fixing frame 20.
Furthermore, when the clip assembly 40 is installed, the U-shaped bolts 41 and the limiting members 43 are provided, at least a pair of U-shaped bolts 41 is clipped on the supporting member 42 and located at two sides of the fixing frame 20, the limiting members 43 are sleeved on the pair of U-shaped bolts 41 and located on the supporting member 42, the end portions of the U-shaped bolts 41 are higher than the top surface of the limiting members 43, and the U-shaped bolts 41 and the limiting members 43 are fastened and connected to the U-shaped bolts 41 through nuts, so that the pair of U-shaped bolts 41 and the limiting members 43 clip the supporting member 42 and the fixing frame 20.
Referring to fig. 1, in one embodiment, the body structure includes a plurality of floors 93,
providing reinforcing frames 50, arranging at least one pair of reinforcing frames 50 at intervals along the length direction of the support post 10, symmetrically installing each pair of reinforcing frames 50 on the support post 10, and placing one end of each reinforcing frame 50 far away from the support post 10 on the corresponding floor 93 and installing and fixing the reinforcing frame with the corresponding floor 93.
Referring to fig. 9, further, providing an embedded component 60, and embedding the embedded component 60 on the corresponding floor 93 at a position corresponding to the reinforcing frame 50, so that the embedded component 60 partially exposes the top surface of the corresponding floor 93;
the reinforcing frame 50 is fixedly coupled with the corresponding embedded member 60.
Referring to fig. 7 and 8, further, stiffening plates 61 are provided, the stiffening plates 61 are symmetrically disposed at both sides of the reinforcing frame 50, the stiffening plates 61 are fixedly connected to the corresponding embedded components 60, and the reinforcing frame 50 is clamped by the stiffening plates 61 disposed at both sides of the reinforcing frame 50.
Referring to fig. 11 and 12, in one embodiment, prior to installing the studs 10, steel bracket assemblies 70 are provided, and the steel bracket assemblies 70 are installed on the bottom floor in correspondence with the locations of the studs 10.
Referring to fig. 1 and 11, in the present embodiment, the bottom floor is a bottom floor;
before the installation of the column 10, a top bracing assembly 80 is provided, and the top bracing assembly 80 is installed between the bottom floor 931 and the bottom floor 932 corresponding to the installation position of the column 10 to support the bottom floor 932.
Referring to fig. 1 and 11, further, the step of providing the top bracing assembly 80 includes:
providing a support frame 81, and installing the support frame 81 on the bottom floor 931 at the position corresponding to the installation position of the strut 10;
providing a top extension piece 82, wherein the top extension piece 82 can be telescopically adjusted, and placing the top extension piece 82 on the supporting frame 81;
providing a steel member 83, placing the steel member 83 between the top extension 82 and the bottom second floor 932;
the length of the jacking members 82 is adjusted to tighten the steel members 83 against the bottom two-storey floor 932.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Claims (4)
1. A construction platform structure of an ultrahigh dome structure is used for installing the dome structure on the top of a main body structure; it is characterized in that the construction platform structure comprises:
the supporting column is supported on a bottom floor slab of the main body structure, and the top of the supporting column extends out of the top of the main body structure and forms a supporting end part;
the fixing frames are erected at the top of the main body structure and fixedly connected with the supporting columns, and the two pairs of fixing frames are in a cross shape; and
the supporting part is arranged on the top of the main body structure and used for supporting the fixing frame, the clamping hoop component is clamped on the supporting part and the fixing frame, the supporting part is fixedly connected with the fixing frame through the clamping hoop component, the clamping hoop component comprises at least one pair of U-shaped bolts and a limiting part, the U-shaped bolts are clamped on the supporting part and located on two sides of the fixing frame, the limiting part is sleeved on the pair of U-shaped bolts and located on the supporting part, the end parts of the U-shaped bolts are higher than the top surface of the limiting part, and the U-shaped bolts are fastened and connected to the U-shaped bolts through nuts, so that the supporting part and the fixing frame are clamped by the pair of U-shaped bolts and the limiting part; the construction platform structure comprises a plurality of layers of floors, and further comprises reinforcing frames arranged at intervals along the length direction of the support, one ends of the reinforcing frames, far away from the support, are arranged on the corresponding floors and are fixedly installed on the corresponding floors, the reinforcing frames are in a plurality of pairs, each pair of reinforcing frames are symmetrically arranged on the support and correspond to the embedded components on the corresponding floors, the embedded components are partially exposed out of the corresponding top surfaces of the floors, the reinforcing frames are fixedly connected with the corresponding embedded components and symmetrically arranged on reinforcing plates on two sides of the reinforcing frames, and the reinforcing plates are fixedly connected with the corresponding embedded components and are fixedly clamped with the reinforcing plates on two sides of the reinforcing frames.
2. The construction platform structure of an ultra-high dome structure according to claim 1, further comprising a steel support assembly installed above a floor slab in correspondence to an arrangement position of the pillars.
3. The ultrahigh dome structure construction platform structure of claim 1, wherein the bottom floor is a bottom floor;
the construction platform structure further comprises a top support assembly which corresponds to the arrangement position of the support column and is arranged between the first floor and the second floor so as to support the second floor.
4. The construction platform structure of an ultra-high dome structure, according to claim 3, wherein the top bracing assembly comprises a support frame installed above the bottom floor slab corresponding to the arrangement position of the support columns, a telescopically adjustable top-extending member disposed above the support frame, and a steel member disposed between the top-extending member and the bottom floor slab;
and the length of the jacking component is adjusted to enable the steel component to be tightly jacked on the bottom two-layer floor slab.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111056638.3A CN113585761B (en) | 2021-09-09 | 2021-09-09 | Construction platform structure of ultrahigh dome structure and construction method thereof |
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CN103061506B (en) * | 2012-12-28 | 2015-02-18 | 中国华冶科工集团有限公司 | Construction method of steel structure dome |
CN204401995U (en) * | 2014-12-25 | 2015-06-17 | 江苏兴厦建设工程集团有限公司 | Encorbelment support system in a kind of center of installing for dome structure |
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CN107989447A (en) * | 2017-12-26 | 2018-05-04 | 中建三局第二建设工程有限责任公司 | A kind of large-scale earthing concrete tank dome steel support structure and installation method |
CN110306670A (en) * | 2018-05-29 | 2019-10-08 | 中国建筑第二工程局有限公司 | Construction method of super-long primary and secondary truss and annular truss dome steel structure |
CN109025281A (en) * | 2018-05-30 | 2018-12-18 | 中建三局第三建设工程有限责任公司 | A kind of construction system and method suitable for business superelevation super-span Atrium Structure |
CN109098423B (en) * | 2018-08-17 | 2023-02-10 | 浙江中南绿建科技集团有限公司 | Full steel pipe scaffold structure for assembling annular suspended dome structure and construction method thereof |
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CN110905113A (en) * | 2019-10-23 | 2020-03-24 | 浙江勤业建工集团有限公司 | Construction method of large-span concrete dome structure |
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CN212053673U (en) * | 2019-12-11 | 2020-12-01 | 中建四局贵州投资建设有限公司 | Tower construction operation platform of dome |
CN212866801U (en) * | 2020-01-09 | 2021-04-02 | 中国建筑第二工程局有限公司 | A cascaded platform for inclined plane or curved surface construction |
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