CN114278019B - Assembled roof frame and preparation process and construction method thereof - Google Patents
Assembled roof frame and preparation process and construction method thereof Download PDFInfo
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- CN114278019B CN114278019B CN202111650951.XA CN202111650951A CN114278019B CN 114278019 B CN114278019 B CN 114278019B CN 202111650951 A CN202111650951 A CN 202111650951A CN 114278019 B CN114278019 B CN 114278019B
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Abstract
The invention relates to the technical field of roof construction, in particular to an assembled roof frame, a preparation process and a construction method thereof, wherein the roof frame comprises upright posts, roof plates, cross beams and wallboards; the preparation process comprises design typesetting, wallboard positioning, flower stand decomposition and flower stand processing; the construction method comprises roof construction, flower stand assembly, wallboard casting and waterproof treatment; the beneficial effects are as follows: the prefabricated structure is adopted for roof construction method, roof machine room and roof flower frame construction, the site construction efficiency is effectively improved through the assembly type installation, a large amount of materials are saved, the labor investment is saved, the construction period is saved, the engineering cost is greatly reduced, the potential safety hazard in the construction process is reduced, and the environment-friendly construction concept is met.
Description
Technical Field
The invention relates to the technical field of roof construction, in particular to an assembled roof frame, a preparation process and a construction method thereof.
Background
The construction of high-rise and super high-rise houses at present mostly adopts a new technology of combining aluminum mould and attached lifting scaffold, has high construction efficiency and shortens the whole construction period.
When the structure is constructed to the roof layer structure, because the structure is a nonstandard structure, the overhanging scaffold is required to be erected again, the construction is performed by adopting a traditional construction process of full scaffold and wood template construction, and only after the roof flower frame and the machine room structure are constructed, all the frame bodies are dismantled, the roof construction method construction can be performed.
Disclosure of Invention
The invention aims to provide an assembled roof frame, a preparation process and a construction method thereof, which are used for solving the problems of long construction period and high operation difficulty of roof layers.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a fabricated roof rack, the roof rack comprising:
the roof board is provided with a positioning groove connected with the upright post and an embedded post poured with the wallboard;
the inner cavity of the upright post is arranged to be hollow up and down, the outer wall of the lower end of the upright post is inserted into the positioning groove, the inner cavity of the upper end of the upright post is provided with a middle boss, the upper end of the middle boss is provided with an upper slot, and the middle boss is provided with four groups of pouring holes which penetrate up and down and are distributed in a circumferential array;
the transverse beam is provided with a positioning pipe which is matched and spliced with the upper slot, the positioning pipe is penetrated with a through hole which is communicated with the pouring hole, the positioning pipe and the upper slot are both transversely penetrated with a transverse slot, and a transverse inserting rod is spliced in the transverse slot;
the wallboard comprises a pair of templates which are symmetrical front and back, a steel bar frame which is fixed on the inner side of the templates through pre-buried columns, and a second pouring layer which is poured in a gap between the front template and the back template.
Preferably, the middle of constant head tank has vertically been pour the reference column, fixed mounting has a supporting component on the reference column, be provided with the holding ring of laminating stand inner wall through four group's connecting rod fixed connection that circumference array distributes on the supporting component.
Preferably, four groups of embedded bars distributed in a circumferential array are embedded and poured on the upper end face of the positioning column, mounting holes matched with the embedded bars are formed in the lower end of the supporting component, and through holes are formed in the supporting component and the positioning column.
Preferably, a transverse extending embedded reinforcement cage is poured in the roof board, reinforcing steel bars are inserted in the through holes in an inserted mode, the lower ends of the reinforcing steel bars extend to the embedded reinforcement cage, and the upper ends of the reinforcing steel bars extend to the lower ends of the middle bosses.
Preferably, the upper slot is communicated with the inner cavity of the upright post through a pouring hole, the pouring hole is positioned at the inner side of the through hole in the positioning pipe, and the first pouring layer is poured in the through hole, the pouring hole and the inner cavity of the upright post.
Preferably, the lower end of the steel bar frame is provided with a sleeve, the roof board and the cross beam are provided with reserved grooves corresponding to the positions of the wallboards, the embedded columns are embedded in the reserved grooves which are cast on the roof board, and the sleeve at the lower end of the steel bar frame is vertically inserted in the embedded columns.
Preferably, a clamping groove is formed in the outer wall of the upright column, corresponding to the wallboard, the templates are inserted into the clamping groove, and a pre-built hole is formed in the position, corresponding to the gap between the front template and the rear template, of the cross beam in a penetrating mode.
The preparation process for realizing the fabricated roof rack comprises the following steps:
designing and typesetting, namely designing according to a building engineering method of a design drawing in a manner of a normal roof or an inverted roof, creating a three-dimensional model of the roof engineering by using a BIM modeling tool, wherein the three-dimensional model comprises all structural members, building lines, basic construction of roof equipment, building methods, water falling ports and the like, independently building a model for detail nodes, carrying out split optimization on all the members according to the created three-dimensional BIM model, carrying out structural design on member connection nodes, meeting the requirements of relevant specifications, numbering the split members after the design is met, and forming a prefabricated member production deepening drawing;
optimizing typesetting in advance according to the actual size of a field roof, ensuring to conform to the field size, and pouring to produce a roof board integrating heat preservation, water resistance and roof bricks according to requirements;
the method comprises the steps of positioning wallboards, determining the position distribution of the wallboards in advance according to a design drawing, arranging a reserved groove at a corresponding position in advance when pouring and forming a roof board, and arranging embedded columns in the reserved groove according to the length of the wallboards;
the roof flower frame is decomposed, the roof flower frame is divided into a horizontal component and a vertical component, the vertical component is deepened into a stand column, the horizontal component is deepened into a cross beam, the design of a connecting node meets the requirements of structural design and anti-seismic grade, a positioning groove is formed in a position, corresponding to the stand column, on a roof board according to a drawing, and a positioning column with a supporting component is arranged in the positioning groove;
the flower stand is processed, a hollow inner cavity, a middle boss with a pouring hole and an upper slot connected with a matched beam are arranged on a stand column, a positioning pipe connected with the upper slot and a reserved slot corresponding to the position of a wallboard are arranged on the beam, and a pre-built hole is formed in the beam according to the position of the wallboard in a drawing.
The assembly construction process for realizing the fabricated roof rack comprises the following steps:
the construction of the roof, before the construction of the roof structure concrete, the construction of the roof needs to be combined with building and structural drawings, a roof equipment foundation, a flue and the like are taken out of the roof structure once, the roof is poured along with the roof structural layer concrete, the elevation of the roof plate surface is controlled, slope finding is carried out on the roof through elevation control, the flatness and slope finding of the controlled roof are strictly carried out during the construction of the roof structure, the leveling and slope finding are carried out once according to requirements, the construction of the roof structure foundation, the equipment foundation and the like are poured along with the roof concrete, the roof plate is transported to the site for assembly, the joint treatment is carried out after the assembly is completed, no leakage is ensured, special waterproof treatment is carried out on the joint position and the joint position of parapet walls after the integrated roof plate is paved, and no leakage is ensured, and the flower frames and wallboards are correspondingly installed according to the serial numbers of the components;
the flower stand is assembled, vertical insertion of the stand column is realized through the positioning groove, assembly of the cross beam and the stand column is realized through matching of the upper inserting groove and the positioning pipe, the transverse insertion of the transverse inserting rod is transversely mounted with the pre-mounting of the stand column, the inner cavity and the penetrating hole of the stand column are subjected to concrete pouring through the pouring hole, a first pouring layer is formed, and fixed connection of the stand column, the cross beam and the roof board is realized;
the wallboard is poured, the fixed plug connection of the steel bar frame on the wallboard is realized through the embedded columns, the templates are installed at the outer sides of the corresponding reserved grooves from top to bottom through the clamping grooves, the inner cavity of the templates is poured through the pre-built holes on the cross beams, a second pouring layer is formed, the fixed connection between the wallboard and the upright post, between the cross beams and between the wallboard and the roof board is realized, and the templates are disassembled after the concrete layer strength of the second pouring layer reaches the standard;
after the installation of the prefabricated components, paving the roof integrated plates according to the typesetting design deepened drawing, and after the paving is finished, performing special treatment on the joints between the integrated plates, the joints between the integrated plates and the machine room and the flower stand prefabricated components, the joints between the integrated plates and the peripheral parapet walls and the like, and performing treatment on detail joints such as waterproof joints, expansion joints, water falling ports, drainage ditches and the like to ensure that the whole roof is free from leakage.
Compared with the prior art, the invention has the beneficial effects that: the prefabricated building construction method, the roof machine room and the roof flower frame are implemented by adopting the prefabricated assembly type structure, the field construction efficiency is effectively improved, a large amount of materials and labor force are saved, the construction period is saved, the engineering cost is greatly reduced, the potential safety hazard in the construction process is reduced, and the environment-friendly construction concept is met.
Drawings
FIG. 1 is a schematic view of a construction structure of the present invention;
FIG. 2 is a top view of the wallboard construction of the present invention;
FIG. 3 is a schematic view of a vertical column in a semi-cutaway view according to the present invention;
FIG. 4 is a schematic view of a beam perspective structure of the present invention;
FIG. 5 is a schematic view of a roof panel according to the present invention;
fig. 6 is a schematic perspective view of a support assembly according to the present invention.
In the figure: 1. roof boarding; 2. a column; 3. a cross beam; 4. a wallboard; 5. embedding a reinforcement cage; 6. positioning columns; 7. a positioning groove; 8. a support assembly; 9. pouring holes; 10. a transverse inserted link; 11. pre-building holes; 12. an upper slot; 13. a first casting layer; 14. reinforcing steel bars; 15. a template; 16. a clamping groove; 17. a reinforcing steel bar frame; 18. a sleeve; 19. embedding a column; 20. a second casting layer; 21. a reserved groove; 22. embedding a rod; 23. a through hole; 24. a positioning tube; 25. a through hole; 26. a transverse slot; 27. a support ring; 28. a connecting rod; 29. a mounting hole; 30. and a middle boss.
Description of the embodiments
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the utility model provides an assembled roofing frame, roofing frame includes is provided with the constant head tank 7 that cooperation stand 2 connected on the roof boarding 1, and the inner chamber of stand 2 sets up to cavity from top to bottom, and the lower extreme outer wall of stand 2 is pegged graft in constant head tank 7, realizes the location preinstallation of stand 2 through constant head tank 7.
The inner cavity of the upper end of the upright post 2 is provided with a middle boss 30, the upper end of the middle boss 30 is provided with an upper slot 12, the cross beam 3 is provided with a positioning pipe 24 which is matched and spliced with the upper slot 12, and the positioning pre-installation of the cross beam 3 and the upright post 2 is realized by the splicing of the positioning pipe 24 and the upper slot 12.
The positioning pipe 24 and the upper slot 12 are transversely and penetratingly provided with a transverse slot 26, a transverse inserting rod 10 is inserted into the transverse slot 26, and the connection angle between the cross beam 3 and the upright post 2 is fixed through the transverse inserting rod 10.
Four groups of pouring holes 9 which vertically penetrate and are distributed in a circumferential array are arranged on the middle boss 30, penetrating holes 25 which are communicated with the pouring holes 9 are arranged on the positioning pipe 24 in a penetrating mode, the upper inserting grooves 12 are communicated with the inner cavities of the upright posts 2 through the pouring holes 9, the pouring holes 9 are located on the inner sides of the penetrating holes 25 in the positioning pipe 24, first pouring layers 13 are poured into the penetrating holes 25, the pouring holes 9 and the inner cavities of the upright posts 2, and fixed connection among the upright posts 2, the roof boards 1 and the cross beams 3 is achieved through pouring of the first pouring layers 13.
The roof board 1 is provided with pre-buried columns 19 which are matched with the wallboard 4 for pouring, the wallboard 4 comprises a pair of templates 15 which are symmetrical front and back, a reinforcing steel bar frame 17 which is fixed on the inner side of the templates 15 through the pre-buried columns 19, and a second pouring layer 20 which is poured in a gap between the front and back templates 15, the lower ends of the reinforcing steel bar frame 17 are provided with sleeves 18, the roof board 1 and the cross beam 3 are provided with reserved grooves 21 which correspond to the wallboard 4 in position, the pre-buried columns 19 are pre-buried in the reserved grooves 21 which are poured on the roof board 1, the sleeves 18 at the lower ends of the reinforcing steel bar frame 17 are vertically inserted in the pre-buried columns 19, the pre-installation of the reinforcing steel bar frame 17 is realized through the cooperation of the sleeves 18 and the pre-buried columns 19, temporary supports are formed through the templates 15, and then the fixed installation of the wallboard 4 is realized under the pouring of the second pouring layer 20.
Example 1:
the positioning pre-installation of the upright post 2 is realized through the positioning groove 7, the positioning pre-installation of the cross beam 3 and the upright post 2 is realized through the insertion connection of the positioning pipe 24 and the upper slot 12, and the connection angle of the cross beam 3 and the upright post 2 is fixed through the transverse inserted rod 10.
Through pouring of the first pouring layer 13, fixed connection among the upright post 2, the roof board 1 and the cross beam 3 is achieved, pre-installation of the reinforcing steel bar frame 17 is achieved through matching of the sleeve 18 and the pre-embedded column 19, temporary support is formed through the template 15, and then under pouring of the second pouring layer 20, fixed installation of the wallboard 4 is achieved.
Example 2:
on the basis of embodiment 1, the application still has and pours reference column 6 in the centre of constant head tank 7 vertically, fixedly mounted with supporting component 8 on the reference column 6, be provided with the supporting ring 27 of laminating stand 2 inner wall through four sets of connecting rods 28 fixed connection that circumference array distributes on the supporting component 8, four sets of embedded bars 22 that circumference array distributed have been pre-buried to the up end of reference column 6, and the lower extreme of supporting component 8 is provided with the mounting hole 29 of pegging graft with the embedded bars 22 cooperation.
For the upright 2 with longer length, the gravity center is higher, and the upright 2 is easy to topple or deviate due to the insertion and installation in the positioning groove 7.
By setting the plug-in height between the positioning column 6 extending roof board 1 and the upright post 2, the installation of the supporting component 8 is realized by utilizing the cooperation of the embedded rod 22 and the mounting hole 29, the inner wall of the upright post 2 is supported by being provided with the supporting ring 27, and then the vertical plug-in of the upright post 2 is realized, and the toppling is avoided.
Example 3:
on the basis of embodiment 2, the application still has and all sets up through-hole 23 on supporting component 8 and reference column 6, has pour transversely extending's embedded reinforcement cage 5 in the roof boarding 1, has inserted reinforcing bar 14 in the through-hole 23, and reinforcing bar 14's lower extreme extends to embedded reinforcement cage 5, and reinforcing bar 14's upper end extends to middle boss 30's lower extreme.
For the longer upright 2, the strength of the concrete column formed by the outer wall and the first pouring layer 13 is insufficient, and the support requirement cannot be met.
The positioning and inserting connection of the reinforcing steel bars 14 is realized by arranging the through holes 23, and then the connection strength between the upright post 2 and the roof board 1 is improved by connecting the reinforcing steel bars 14 with the embedded steel bar cage 5.
Example 4:
on the basis of embodiment 1, the wall plate is further provided with a clamping groove 16 on the outer wall of the upright post 2 corresponding to the wallboard 4, the templates 15 are inserted into the clamping groove 16, and the pre-built holes 11 are formed in the positions, corresponding to gaps between the front templates 15 and the rear templates 15, on the cross beam 3 in a penetrating mode.
To the wallboard 4 of laminating stand 2, through setting up draw-in groove 16 and further improving the position accuracy of template 15, the hole 11 is built in advance to the cooperation adjustable, realizes pouring wallboard 4 convenient.
The preparation process for preparing the assembled roof rack comprises the following steps of:
designing and typesetting, namely designing according to a building engineering method of a design drawing, namely building a roof in a normal or inverted mode, creating a three-dimensional model of the roof engineering by using a BIM modeling tool, wherein the model comprises structural members, building lines, a basic structure of roof equipment, building methods, water outlets and the like, independently building a model for detail nodes, carrying out split optimization on the structural members according to the created three-dimensional BIM model, carrying out structural design on connecting nodes of the structural members, meeting the requirements of relevant specifications, and carrying out corresponding numbering on the split structural members and the installed positions after the design is met, so as to form a prefabricated member production deepened drawing;
optimizing typesetting in advance according to the actual size of a field roof, ensuring to conform to the field size, and pouring to produce a roof board 1 integrating heat preservation, water resistance and roof bricks according to requirements;
the wallboard is positioned, the position distribution of the wallboard 4 is determined in advance according to a design drawing, and a reserved groove 21 is arranged in a corresponding position in advance when the roof board 1 is poured and molded;
the roof flower frame is decomposed, the roof flower frame is divided into a horizontal component and a vertical component, the vertical component is deepened into a stand column 2, the horizontal component is deepened into a cross beam 3, the design of a connecting node meets the requirements of structural design and anti-seismic grade, and a positioning groove 7 is arranged at the position, corresponding to the stand column 2, on the roof board 1 according to a drawing;
positioning columns 6 with supporting components 8 are arranged in the positioning grooves 7 according to the design length of the upright posts 2;
selecting to plug and mount reinforcing steel bars 14 according to the design strength of the upright posts 2;
the flower stand is processed, a hollow inner cavity, a middle boss 30 with a pouring hole 9 and an upper slot 12 connected with a cross beam 3 are arranged on a stand column 2, and a positioning pipe 24 connected with the upper slot 12 and a reserved groove 21 corresponding to the position of a wallboard 4 are arranged on the cross beam 3;
determining the width of the reserved groove 21 according to the thickness of the wallboard 4;
weaving the reinforcing bar frame 17 according to the design strength of the wallboard 4;
a pre-built hole 11 is formed in the cross beam 3 according to the position and the length of the wallboard 4 in the drawing;
according to the installation angle between the cross beam 3 and the upright post 2, a transverse slot 26 is formed on the upper slot 12 and the positioning pipe 24, and a transverse inserting rod 10 is inserted and installed in the transverse slot 26 to fix the angle between the upright post 2 and the cross beam 3.
An assembly construction process realized by the fabricated roof rack comprises the following steps:
before the construction of the roof structure, the construction of the roof is combined with building and structural drawings, a roof equipment foundation, a flue and the like are taken out of the roof structure for one time, the mould is hung, the mould is poured along with the concrete of the roof structure layer, the elevation of the surface of the roof panel 1 is controlled, the slope is found on the roof through elevation control, the flatness and the slope of the controlled roof are strictly found when the roof structure is constructed, the slope is found by leveling according to the requirement once, the construction of the roof structure foundation, the equipment foundation and the like are poured along with the concrete of the roof, then the roof panel 1 is transported to the site for assembly, the joint treatment is carried out after the assembly is completed, no leakage is ensured, and special waterproof treatment is carried out on the joint position and the joint position of the parapet after the integrated roof panel 1 is paved, and no leakage is ensured.
Then the flower stand and the wallboard 4 are correspondingly installed according to the number of the components:
the flower stand is assembled, vertical insertion of the upright post 2 is realized through the positioning groove 7, positioning pre-installation of the cross beam 3 and the upright post 2 is realized through insertion of the positioning pipe 24 and the upper slot 12, the connection angle of the cross beam 3 and the upright post 2 is fixed through the transverse inserted rod 10, concrete pouring is carried out on the inner cavity of the upright post 2 and the through hole 25 through the pouring hole 9, a first pouring layer 13 is formed, and the fixed connection of the upright post 2, the cross beam 3 and the roof board 1 is realized;
the wallboard is poured, the positioning and the fixed insertion of the reinforcing steel bar frame 17 on the wallboard 4 are realized through the embedded columns 19, the templates 15 are installed at the outer sides of the corresponding upper and lower reserved grooves 21 through the clamping grooves 16, the pouring of the inner cavities of the templates 15 is realized through the pre-built holes 11 on the cross beams 3, the second pouring layer 20 is formed, the fixed connection between the wallboard 4 and the upright posts 2, the cross beams 3 and the roof board 1 is realized, and the templates 15 are disassembled after the concrete layer strength of the second pouring layer 20 reaches the standard;
after the installation of the prefabricated components, paving the roof integrated plates according to the typesetting design deepened drawing, and after the paving is finished, performing special treatment on the joints between the integrated plates, the joints between the integrated plates and the machine room and the flower stand prefabricated components, the joints between the integrated plates and the peripheral parapet walls and the like, and performing treatment on detail joints such as waterproof joints, expansion joints, water falling ports, drainage ditches and the like to ensure that the whole roof is free from leakage.
While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.
Claims (9)
1. An assembled roofing frame, its characterized in that: the roof rack comprises:
the roof board (1), the roof board (1) is provided with a positioning groove (7) connected with the upright post (2) and an embedded post (19) poured with the wallboard (4);
the inner cavity of the upright post (2) is hollow up and down, the outer wall of the lower end of the upright post (2) is inserted into the positioning groove (7), the inner cavity of the upper end of the upright post (2) is provided with a middle boss (30), the upper end of the middle boss (30) is provided with an upper slot (12), and four groups of pouring holes (9) penetrating up and down and distributed in a circumferential array are formed in the middle boss (30);
the positioning device comprises a cross beam (3), wherein a positioning pipe (24) which is matched and spliced with an upper slot (12) is arranged on the cross beam (3), a through hole (25) which is communicated with a pouring hole (9) is formed in the positioning pipe (24) in a penetrating manner, a transverse slot (26) is formed in the positioning pipe (24) and the upper slot (12) in a penetrating manner, and a transverse inserting rod (10) is inserted in the transverse slot (26);
wallboard (4), wallboard (4) are including a pair of template (15) of fore-and-aft symmetry, fix reinforcing bar frame (17) in template (15) inboard through pre-buried post (19) and pour second pouring layer (20) in template (15) clearance around.
2. A fabricated roof truss as claimed in claim 1 wherein: the positioning column (6) is vertically poured in the middle of the positioning groove (7), the support component (8) is fixedly installed on the positioning column (6), and the support component (8) is provided with a support ring (27) fixedly connected with the inner wall of the attaching upright post (2) through four groups of connecting rods (28) distributed in a circumferential array.
3. A fabricated roof truss as claimed in claim 2, wherein: four groups of embedded bars (22) distributed in a circumferential array are embedded and poured on the upper end face of the positioning column (6), mounting holes (29) matched and spliced with the embedded bars (22) are formed in the lower end of the supporting component (8), and through holes (23) are formed in the supporting component (8) and the positioning column (6).
4. A fabricated roof truss according to claim 3, wherein: the embedded reinforcement cage (5) extending transversely is poured in the roof board (1), the reinforcing steel bars (14) are inserted into the through holes (23), the lower ends of the reinforcing steel bars (14) extend to the embedded reinforcement cage (5), and the upper ends of the reinforcing steel bars (14) extend to the lower ends of the middle bosses (30).
5. A fabricated roof truss as claimed in claim 1 wherein: the upper slot (12) is communicated with the inner cavity of the upright post (2) through a pouring hole (9), the pouring hole (9) is positioned at the inner side of a penetrating hole (25) in the positioning pipe (24), and a first pouring layer (13) is poured in the penetrating hole (25), the pouring hole (9) and the inner cavity of the upright post (2).
6. A fabricated roof truss as claimed in claim 1 wherein: the lower extreme of steel reinforcement frame (17) is provided with sleeve pipe (18), be provided with on roof boarding (1) and crossbeam (3) with wallboard (4) position corresponding with reservation groove (21), pre-buried post (19) are pre-buried pour in reservation groove (21) on roof boarding (1), sleeve pipe (18) of steel reinforcement frame (17) lower extreme are vertical peg graft in pre-buried post (19).
7. A fabricated roof truss as claimed in claim 1 wherein: the wall board comprises a vertical column (2), a wallboard (4) and templates (15), wherein the outer wall of the vertical column (2) corresponds to the wallboard (4) is provided with a clamping groove (16), the templates (15) are inserted into the clamping groove (16), and a pre-built hole (11) is formed in the position, corresponding to a gap between the front template and the rear template (15), of the cross beam (3) in a penetrating mode.
8. A process for the preparation of an assembled roof rack according to any one of claims 1 to 7, characterized in that: the preparation process comprises the following steps:
designing and typesetting, namely designing according to a building engineering method of a design drawing in a manner of a normal roof or an inverted roof, creating a three-dimensional model of the roof engineering by using a BIM modeling tool, wherein the three-dimensional model comprises all structural members, building lines, basic construction of roof equipment, building methods, water falling ports and the like, independently building a model for detail nodes, carrying out split optimization on all the members according to the created three-dimensional BIM model, carrying out structural design on member connection nodes, meeting the requirements of relevant specifications, numbering the split members after the design is met, and forming a prefabricated member production deepening drawing;
optimizing typesetting in advance according to the actual size of a field roof, ensuring to conform to the field size, and pouring to produce a roof board (1) integrating heat preservation, water resistance and roof bricks according to requirements;
the method comprises the steps of positioning wallboards, determining the position distribution of wallboards (4) in advance according to a design drawing, arranging reserved grooves (21) at corresponding positions in advance when pouring and forming a roof board (1), and arranging pre-buried columns (19) in the reserved grooves (21) according to the length of the wallboards (4);
the roof flower frame is decomposed, the roof flower frame is divided into a horizontal component and a vertical component, the vertical component is deepened into a stand column (2), the horizontal component is deepened into a cross beam (3), the design of a connecting node meets the requirements of structural design and anti-seismic grade, a positioning groove (7) is formed in a position, corresponding to the stand column (2), on a roof board (1) according to a drawing, and a positioning column (6) with a supporting component (8) is arranged in the positioning groove (7);
flower stand processing, set up cavity inner chamber on stand (2), have middle boss (30) of pouring hole (9) and last slot (12) that cooperation crossbeam (3) are connected, set up on crossbeam (3) with last slot (12) be connected locating tube (24) and with wallboard (4) position corresponding reservation groove (21), set up on crossbeam (3) pre-built hole (11) according to the position of wallboard (4) in the drawing.
9. An assembly construction process for realizing the fabricated roof rack prepared according to claim 8, which is characterized in that: the construction process comprises the following steps:
before the construction of the roof, the construction of the roof structure concrete needs to be combined with building and structural drawings, a roof equipment foundation, a flue and the like are taken out of the roof structure once to hang the mould, the mould is poured along with the roof structure layer concrete, the elevation of the roof panel (1) is controlled, slope finding is carried out on the roof through elevation control, the flatness and slope finding of the controlled roof are strictly carried out when the roof structure is constructed, the slope finding is carried out once according to requirements, the roof structure foundation, the equipment foundation and the like are simultaneously poured along with the roof concrete, the roof panel (1) is transported to the site for assembly, the joint treatment is carried out after the assembly is completed, no leakage is ensured, special waterproof treatment is carried out on the joint position and the joint position of the parapet wall after the integrated roof panel (1) is paved, no leakage is ensured, and a flower frame and a wallboard (4) are correspondingly installed according to the serial numbers of components;
the flower stand is assembled, vertical insertion of the upright post (2) is realized through the positioning groove (7), assembly of the cross beam (3) and the upright post (2) is realized through matching of the upper inserting groove (12) and the positioning pipe (24), pre-installation of the transverse insertion transverse (3) and the upright post (2) is realized through transverse insertion of the transverse inserting rod (10), concrete pouring is carried out on an inner cavity and a through hole (25) of the upright post (2) through the pouring hole (9), a first pouring layer (13) is formed, and fixed connection of the upright post (2), the cross beam (3) and the roof board (1) is realized;
the wallboard is poured, the fixed insertion of the steel bar frame (17) on the wallboard (4) is realized through the embedded columns (19), the template (15) is installed at the outer side of the corresponding reserved groove (21) from top to bottom through the clamping groove (16), the inner cavity of the template (15) is poured through the pre-built hole (11) on the cross beam (3), a second pouring layer (20) is formed, the fixed connection between the wallboard (4) and the upright post (2), between the cross beam (3) and the roof board (1) is realized, and the template (15) is disassembled after the strength of the concrete layer of the second pouring layer (20) reaches the standard;
after the installation of the prefabricated components, paving the roof integrated plates according to the typesetting design deepened drawing, and after the paving is finished, performing special treatment on the joints between the integrated plates, the joints between the integrated plates and the machine room and the flower stand prefabricated components, the joints between the integrated plates and the peripheral parapet walls and the like, and performing treatment on detail joints such as waterproof joints, expansion joints, water falling ports, drainage ditches and the like to ensure that the whole roof is free from leakage.
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| CN114278019A (en) | 2022-04-05 |
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