CN211143440U - Assembled bidirectional steel bar truss floor - Google Patents
Assembled bidirectional steel bar truss floor Download PDFInfo
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- CN211143440U CN211143440U CN201921275766.5U CN201921275766U CN211143440U CN 211143440 U CN211143440 U CN 211143440U CN 201921275766 U CN201921275766 U CN 201921275766U CN 211143440 U CN211143440 U CN 211143440U
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Abstract
The utility model discloses a two-way steel bar truss floor of assembled. The two groups of plane steel bar trusses comprise a plurality of steel bar trusses which are arranged in parallel at intervals, and two ends of each steel bar truss are carried on/connected to the steel beam/concrete beam; the upper chord steel bars and the lower chord steel bars are respectively arranged in parallel up and down, and are welded into a whole through continuous wave-shaped web member steel bars; welding two ends of the upper chord steel bar and the lower chord steel bar to a support steel bar; the two groups of plane steel bar trusses are arranged in a crossed and vertical mode to form two-way steel bar trusses, and upper chord steel bars and lower chord steel bars of the two groups of plane steel bar trusses are respectively connected at the vertical intersection points in a welding mode; the bottom template is fixedly connected to the bottom of the bidirectional steel bar truss through nuts, or a bottom prefabricated laminated concrete floor prefabricated layer is constructed at the bottom of the bidirectional steel bar truss. The utility model discloses the atress is reliable, and is economical reasonable, and industrialization degree is high, convenient assembling, material reuse.
Description
Technical Field
The utility model relates to a two-way steel bar truss floor of assembled belongs to building engineering technical field. Can be widely applied to various building structures.
Background
The construction speed of the steel structure or the fabricated concrete structure is high, and in order to match the progress of the steel structure and the fabricated concrete structure, the floor slab is in the form of an industrial floor slab commonly used. The common floor slab with steel bar truss and composite concrete floor slab has no steel bar in the slab surface.
The steel bar truss floor bearing plate is formed by welding stressed steel bars in a floor slab into a steel bar truss in a factory and welding a galvanized steel plate with the steel bar truss in the factory. The assembled steel bar truss floor bearing plate is formed by welding stressed steel bars in a floor slab into a steel bar truss in a factory, punching galvanized steel plates in the factory to form a standardized template, or adopting wood plywood, bamboo plywood, plastic templates and the like as templates. The connector factory automation production equipment, on-the-spot with steel bar truss, template and connector assembly building carrier plate. After the concrete is poured and formed, the formworks and the connectors can be disassembled and reused. The steel bar truss floor bearing plate and the assembly type steel bar truss floor bearing plate have the advantages of high rigidity, high construction speed, good plate bottom forming quality and the like, and are well applied to engineering.
The existing steel bar truss is formed by combining an upper chord steel bar, two lower chord steel bars and two web member steel bars and is a triangular truss. The triangular truss has the advantages that a space stable structure can be formed, and the defects that the steel consumption of the lower chord steel bars and the web member steel bars is large; before the floor concrete is cast and tamped, the stress performance of the triangular steel bar truss in a single direction is limited, and large downward deflection is easily formed under the action of construction load; under the normal use load, reinforcing steel bars also need to be arranged in the direction perpendicular to the reinforcing steel bar truss, and the reinforcing steel bars need to be arranged on site, so that the construction is inconvenient; the composite concrete floor without the plate surface reinforcing steel bars has poor rigidity of the concrete floor of the prefabricated part and is easy to crack, and the plate surface reinforcing steel bars are required to be additionally arranged during field construction.
SUMMERY OF THE UTILITY MODEL
In order to solve the current problem, the utility model provides a two-way steel bar truss floor of assembled.
The technical scheme of the utility model as follows:
the utility model comprises two groups of plane steel bar trusses and a bottom template or a bottom precast concrete floor slab, wherein each group of plane steel bar trusses is mainly composed of a plurality of steel bar trusses which are arranged in parallel at intervals, and both ends of each steel bar truss of the two groups of plane steel bar trusses are all carried/connected to a steel beam/a concrete beam; each steel bar truss mainly comprises an upper chord steel bar, a lower chord steel bar, web member steel bars and support steel bars, wherein the upper chord steel bar and the lower chord steel bar are respectively arranged in parallel up and down, and the upper chord steel bar and the lower chord steel bar are welded into a whole through continuous wave-shaped web member steel bars to form a single steel bar truss; the outer side surface of the inflection point of the wave-shaped web member steel bar is respectively and alternately welded and fixed with the upper chord steel bar/the lower chord steel bar into a whole, two ends of the upper chord steel bar and the lower chord steel bar are respectively welded on a support steel bar, the support steel bar is positioned on the vertical plane where the steel beam web plate is positioned, and the lower end of the support steel bar extends over the lower chord steel bar and is fixed on the upper surface of the upper flange of the steel beam/concrete beam; the two groups of plane steel bar trusses are crossed and vertically arranged to form a bidirectional steel bar truss, wherein upper and lower chord steel bars in the steel bar truss of one group of plane steel bar trusses are arranged between upper and lower chord steel bars in the steel bar truss of the other group of plane steel bar trusses in a penetrating manner, and the upper and lower chord steel bars of the two groups of plane steel bar trusses are respectively welded and connected at respective vertical intersection points;
the bottom template is fixedly connected to the bottom of the bidirectional steel bar truss through nuts, or a prefabricated layer of the prefabricated composite concrete floor slab at the bottom is constructed at the bottom of the bidirectional steel bar truss through concrete.
And fixing the steel bar trusses in one direction in parallel according to a fixed interval on the assembly platform, penetrating the steel bar trusses in the other direction between the upper chord steel bars and the lower chord steel bars of the fixed steel bar trusses, and respectively welding and fixing the upper chord steel bars and the lower chord steel bars of the steel bar trusses in the two directions to form the stable # -shaped steel bar truss.
Preferably, the steel bar trusses in the two directions are vertically intersected, and the intersection point is at the connecting point of the web member steel bars and the upper and lower chord steel bars of the truss.
Preferably, the steel bar trusses in the two directions are perpendicularly intersected, the truss upper chord steel bar in one direction is connected with the truss upper chord steel bar in the other direction in a welding mode, and the truss lower chord steel bar is connected with the truss lower chord steel bar in a welding mode.
The upper chord steel bar, the lower chord steel bar, the web member steel bar and the support steel bar are positioned in the same vertical plane.
The steel bar truss is formed by welding a continuous upper chord steel bar, a continuous bent W-shaped web member steel bar and a continuous lower chord steel bar in a combined manner, and the truss capable of bearing load is formed.
Meanwhile, a plurality of parallel steel bar trusses are perpendicularly and crossly arranged in two orthogonal directions, and upper and lower chord steel bars are reliably welded and connected at the intersection position to form a # -shaped truss grid, so that the steel bar trusses in the two directions can jointly bear vertical load.
The utility model discloses a two-way plane steel bar truss who sets up possesses the function of undertakeing the load by oneself, need not the concrete and participates in the ability that the atress also can satisfy the floor and undertake vertical load.
The two groups of the lower chord steel bars of the two groups of the plane steel bar trusses are fixedly welded on the bottom surfaces of the lower chord steel bars of the two groups of the plane steel bar trusses, and the lower chord steel bars penetrate through the bottom template through bolts to be connected to the nuts, so that the bottom template is detachably connected with the two-way steel bar trusses through the bolts; the top surface of the bottom formwork is flush with the upper surface of the upper flange of the steel beam.
The bottom template is provided with a through hole at the position corresponding to the installation of the bolt, the through hole of the bottom template is coaxially aligned with the fixing nut of the steel bar truss, and then the bottom template is connected with the bidirectional steel bar truss through the bolt.
The outer edge of the bottom template is flush with the flange edge of the steel beam.
The bottom template is made of wood plywood, bamboo plywood, plastic template or other light materials.
The plane steel bar trusses are arranged on the concrete beams, the lower chord steel bars of the two groups of plane steel bar trusses are precast with concrete with fixed thickness to form a laminated concrete floor prefabricated layer with plate surface steel bars, so that the laminated floor with concrete poured and tamped secondarily above the precast concrete floor can be realized.
The technical principle and the beneficial effects of the utility model are embodied in:
1. the industrialization degree is high: the single-piece steel bar truss, the bidirectional steel bar truss, the bottom template and the connecting bolt all belong to standardized component members and can be industrially manufactured in batches.
2. The transportation space and the cost are saved: the laminated concrete floor slab with the single-piece steel bar trusses, the two-way steel bar trusses and the plate-face steel bars has the advantages of simple regular shape, capability of being stacked and transported, transportation space saving and transportation cost reduction.
3. The assembly is convenient: the steel bar truss is a plane truss, and the assembly is convenient. The bottom template is connected with the bidirectional steel bar truss through bolts, and an electric wrench can be adopted for high assembly efficiency.
4. Can be repeatedly used: the bottom template and the bolts can be detached and reused after the concrete floor is formed, and materials are saved.
Drawings
FIG. 1 is a schematic view of a steel bar truss forming an assembled two-way steel bar truss floor;
FIG. 2 is an elevation view of an assembled bidirectional steel bar truss;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a side elevational view of an assembled bi-directional steel bar truss floor deck;
FIG. 5 is a side elevation view of a composite concrete floor with slab reinforcement;
fig. 6 is a top view of an assembled bi-directional bar truss floor deck.
In the figure: 1. upper chord steel bars; 2. a lower chord steel bar; 3. web member reinforcing steel bars; 4. supporting steel bars; 5. upper chord steel (steel bar truss in the other direction); 6. upper chord steel (steel bar truss in the other direction); 7. web member steel bars (other direction steel bar trusses); 8. support steel bars (steel bar trusses in the other direction); 9. fixing a nut; 10. a bolt; 11. a bottom template; 12. a steel beam; 13. superposing the precast concrete floor layers; 14. a concrete beam.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
The utility model discloses the concrete implementation includes two sets of plane steel bar trusses and 11 or bottom precast concrete floor 13 of die block board, and every group plane steel bar truss includes that the parallel interval arrangement of a plurality of steel bar trusses constitutes, and the both ends of every steel bar truss of two sets of plane steel bar trusses all carry on/are connected to on girder steel 12 concrete beam 14.
As shown in fig. 1, each steel bar truss mainly comprises an upper chord steel bar 1, a lower chord steel bar 2, a web member steel bar 3 and a support steel bar 4, wherein the upper chord steel bar 1, the lower chord steel bar 2, the web member steel bar 3 and the support steel bar 4 are in the same vertical plane. The upper chord steel bar 1 and the lower chord steel bar 2 are respectively arranged in parallel up and down, and the middle area between the upper chord steel bar 1 and the lower chord steel bar 2 is welded into a whole through a continuous wave-shaped web member steel bar 3 to form a single steel bar truss; the outer side surface of the inflection point of the wave-shaped web member steel bar 3 is welded and fixed with the upper chord steel bar 1/the lower chord steel bar 2 alternately into a whole, two ends of the upper chord steel bar 1 and the lower chord steel bar 2 are welded on a support steel bar 4, the support steel bar 4 is perpendicular to the upper chord steel bar 1 and the lower chord steel bar 2, the support steel bar 4 is positioned on the vertical plane where the web plate of the steel beam 12 is positioned, and the lower end of the support steel bar 4 extends over the horizontal plane where the lower chord steel bar 2 is positioned and is fixed on the upper surface of the upper flange of the steel beam.
As shown in fig. 6, two groups of planar steel bar trusses are crossed, vertically crossed and arranged to form a bidirectional steel bar truss, the arrangement directions of the two groups of planar steel bar trusses are perpendicular, upper and lower chord steel bars 5 and 6 in the steel bar truss of one group of planar steel bar trusses are arranged between upper and lower chord steel bars 1 and 2 in the steel bar truss of the other group of planar steel bar trusses in a penetrating manner, and the upper and lower chord steel bars 1 and 2 of the two groups of planar steel bar trusses are respectively welded and connected at respective vertical intersection points; namely, the upper chord steel bar 5 in the steel bar truss of one group of plane steel bar trusses is arranged at the lower side of the upper chord steel bar 1 in the steel bar truss of the other group of plane steel bar trusses and is welded and fixed, and the lower chord steel bar 6 in the steel bar truss of the one group of plane steel bar trusses is arranged at the upper side of the lower chord steel bar 2 in the steel bar truss of the other group of plane steel bar trusses and is welded and fixed. As shown in fig. 2 and fig. 3, the two groups of planar steel bar trusses have the same structure but different sizes, and the size of the steel bar truss formed by the upper chord steel bar 5, the lower chord steel bar 6, the web member steel bar 37 and the support steel bar 8 is smaller than that of the steel bar truss formed by the upper chord steel bar 1, the lower chord steel bar 2, the web member steel bar 3 and the support steel bar 4, specifically, the distance between the upper chord steel bar 1 and the lower chord steel bar 2 of one group of planar steel bar trusses and the heights of the web member steel bar 3 and the support steel bar 4 are smaller than that of the other group of planar steel.
Concrete placement substructure of the implementation has two structural modes:
first structural mode:
the bottom template 11 is fixedly connected to the bottom of the bidirectional steel bar truss through a nut 9,
the planar steel bar trusses are arranged on the steel beam 12, the lower chord steel bars 2 of the two groups of planar steel bar trusses are respectively provided with a fixing nut 9 at the mutually vertical intersection point, the fixing nuts 9 are fixedly welded on the bottom surfaces of the lower chord steel bars 2 positioned below in the two lower chord steel bars 2 of the two groups of planar steel bar trusses, and the bolts 10 penetrate through the bottom template 11 to be connected to the nuts 9, so that the bottom template 11 is detachably connected with the bidirectional steel bar trusses through the bolts 10; the top surface of the bottom template 11 is flush with the upper surface of the upper flange of the steel beam 12, namely, the top surface and the upper surface are in the same horizontal plane; in specific implementation, it is sufficient to ensure that the top surface of the bottom form 11 is flush with the upper surface of the steel beam 12. I.e. at the same level. The outer edge of the bottom form 11 is flush with the upper flange edge of the steel beam 12.
The nut for connection is preset at the intersection of the lower chord steel bars of the steel bar truss in the two directions and is connected with the bottom template 11, so that the bottom template 11 can be conveniently dismounted and mounted, effectively recycled, and the resource utilization rate is improved.
The bottom template 11 is provided with a through hole at the position corresponding to the installation of the bolt 10, the through hole of the bottom template 11 is coaxially aligned with the fixing nut 9 of the steel bar truss, and then the bottom template 11 is connected with the bidirectional steel bar truss through the bolt 10.
Second structural mode:
the bottom prefabricated composite concrete floor slab prefabricated layer 13 is constructed at the bottom of the bidirectional steel bar truss through concrete.
The planar steel bar trusses are arranged on the concrete beam 14, concrete with fixed thickness is precast around the lower chord steel bars 2 of the two groups of planar steel bar trusses, the concrete is completely wrapped on the lower chord steel bars 2 of the two groups of planar steel bar trusses, the thickness of the concrete is larger than the sum of the diameters of the lower chord steel bars 2 of the two groups of planar steel bar trusses, a laminated concrete floor prefabricated layer 13 with plate surface steel bars is formed, the outer edge of the laminated concrete floor prefabricated layer 13 is flush with the upper flange edge of the steel beam 12, and therefore the laminated floor with concrete poured secondarily above the precast floor can be achieved.
After the concrete with a certain thickness is pre-poured and tamped on the steel bar truss which is arranged in the two directions, the concrete composite floor slab with the steel bars is formed, the binding of the steel bars on the upper part of the floor slab is not needed in the construction site, and the concrete can be directly poured and tamped for the second time to form the composite floor slab.
The utility model discloses an installation work process is:
example 1
A) Stage of a plant
As shown in figure 1, the prefabricated welding of the contact part of the web steel bar 3, the upper chord steel bar 1 and the lower chord steel bar 2 is completed by automatic equipment production in the whole process. Vertical support reinforcing steel bars 4 are arranged at two ends of the plane steel bar truss, the upper parts of the support reinforcing steel bars 4 are aligned and welded with the end parts of the upper chord reinforcing steel bars 1, the lower parts of the support reinforcing steel bars 4 are welded with the end parts of the lower chord reinforcing steel bars 2, and the length of the lower end exceeds the lower chord reinforcing steel bars 2 for a certain distance. Thereby manufacturing the steel bar truss.
As shown in fig. 6, a plurality of steel bar trusses are arranged in parallel to form a planar steel bar truss, after two groups of planar steel bar trusses are arranged in a two-way penetrating manner, upper chord steel bars 1 and lower chord steel bars 2 of the steel bar trusses in two directions are respectively welded and connected, and the two-way steel bar truss arranged in a groined shape is formed.
As shown in fig. 2 and fig. 3, after the planar steel bar trusses with different heights in two directions are processed in a factory, the steel bar truss with larger height is fixed on the assembly platform, the steel bar truss with smaller height penetrates from the upper chord steel bar and the lower chord steel bar of the steel bar truss with larger height to fixed positions, welding equipment is adopted to complete welding between the chord steel bars on the steel bar trusses in two directions, and meanwhile welding between the connecting nuts and the # -shaped steel bar trusses is completed.
As shown in fig. 4, a fixed welding fixing nut 9 is reserved at the vertical intersection of the two directions of the lower chord steel bar 2.
And simultaneously, preparing a bottom template 11, purchasing the existing finished raw materials for the bottom template 11, cutting and punching according to the design size, and correspondingly arranging bolt holes according to a certain interval on the bottom template 11 according to the arrangement position of the fixing nuts 9 so as to facilitate the penetration of the bolts 10. The bottom template is connected with the bidirectional steel bar truss through the bolts 10, so that the whole floor bearing plate is assembled, and the bidirectional steel bar truss template is formed.
B) On-site staging
After the bidirectional steel bar truss templates are processed in a factory and before the bidirectional steel bar truss templates are installed on site, a plurality of bidirectional steel bar truss templates are stacked together and transported to a construction site.
During the building site installation, can hoist the girder steel of place floor with two-way steel bar truss template on, steel bar truss's support reinforcing bar 4 and girder steel 12 welding, then pour the concrete in two-way steel bar truss template top. After the concrete is solidified, the bottom template 11 and the bolts 10 are detached, and the bolts 10 and the bottom template 11 can be reused next time.
Example 2
A) Stage of a plant
As shown in figure 1, the prefabricated welding of the contact part of the web steel bar 3, the upper chord steel bar 1 and the lower chord steel bar 2 is completed by automatic equipment production in the whole process. Vertical support reinforcing steel bars 4 are arranged at two ends of the plane steel bar truss, the upper parts of the support reinforcing steel bars 4 are aligned and welded with the end parts of the upper chord reinforcing steel bars 1, the lower parts of the support reinforcing steel bars 4 are welded with the end parts of the lower chord reinforcing steel bars 2, and the length of the lower end exceeds the lower chord reinforcing steel bars 2 for a certain distance. Thereby manufacturing the steel bar truss.
As shown in fig. 6, a plurality of steel bar trusses are arranged in parallel to form a planar steel bar truss, after two groups of planar steel bar trusses are arranged in a two-way penetrating manner, upper chord steel bars 1 and lower chord steel bars 2 of the steel bar trusses in two directions are respectively welded and connected, and the two-way steel bar truss arranged in a groined shape is formed.
As shown in fig. 2 and fig. 3, after the planar steel bar trusses with different heights in two directions are processed in a factory, the steel bar truss with larger height is fixed on the assembly platform, the steel bar truss with smaller height penetrates from the upper chord steel bar and the lower chord steel bar of the steel bar truss with larger height to fixed positions, welding equipment is adopted to complete welding between the chord steel bars on the steel bar trusses in two directions, and meanwhile welding between the connecting nuts and the # -shaped steel bar trusses is completed.
As shown in fig. 5, a bidirectional steel bar truss (without a nut for connection) is placed on a prefabricated platform, a concrete floor slab with a certain thickness is prefabricated and poured on two layers of lower chord steel bars 2 of the bidirectional steel bar truss, after the prefabricated concrete is cured, a superposed concrete floor prefabricated layer 13 with plate surface steel bars is formed, so that the superposed concrete floor prefabricated layer 13 is connected with the bidirectional steel bar truss, the whole floor bearing plate is manufactured, and a bidirectional steel bar truss template is formed.
B) On-site staging
After the bidirectional steel bar truss formwork is processed in a factory and before the bidirectional steel bar truss formwork is installed on site, concrete with a certain thickness is poured and mashed at the bottom of the bidirectional steel bar truss, and after the concrete reaches the required strength, the concrete is transported to a construction site.
During construction site installation, the bidirectional steel bar truss template is hoisted to the concrete beam 14 of the floor where the bidirectional steel bar truss template is located, the support steel bars 4 of the steel bar truss are bound with the steel bars on the concrete beam 14, and then the rest concrete is poured above the prefabricated truss concrete floor. And after the concrete is solidified, forming a complete reinforced concrete floor slab for construction.
Claims (7)
1. The utility model provides a two-way steel bar truss floor of assembled which characterized in that: the composite steel bar truss composite floor slab comprises two groups of plane steel bar trusses and a bottom template (11) or a composite concrete floor slab prefabricated layer (13), wherein each group of plane steel bar trusses mainly comprises a plurality of steel bar trusses which are arranged in parallel at intervals, and two ends of each steel bar truss of the two groups of plane steel bar trusses are respectively carried on/connected to a steel beam (12)/a concrete beam (14); each steel bar truss mainly comprises an upper chord steel bar (1), a lower chord steel bar (2), web member steel bars (3) and support steel bars (4), wherein the upper chord steel bar (1) and the lower chord steel bar (2) are respectively arranged in parallel up and down, and the upper chord steel bar (1) and the lower chord steel bar (2) are welded into a whole through the continuous wave type web member steel bars (3) to form a single steel bar truss; the outer side face of the wave-shaped inflection point of the web member steel bar (3) is welded and fixed with the upper chord steel bar (1)/the lower chord steel bar (2) into a whole alternately, two ends of the upper chord steel bar (1) and the lower chord steel bar (2) are welded on a support steel bar (4), the support steel bar (4) is positioned on a vertical plane where a web plate of the steel beam (12) is positioned, and the lower end of the support steel bar (4) extends over the lower chord steel bar (2) and is fixed on the upper surface of the upper flange of the steel beam (12)/the concrete beam (14); the two groups of plane steel bar trusses are arranged in a crossed and vertical mode to form a bidirectional steel bar truss, wherein upper and lower chord steel bars (1 and 2) in the steel bar truss of one group of plane steel bar trusses are arranged between upper and lower chord steel bars (1 and 2) in the steel bar truss of the other group of plane steel bar trusses in a penetrating mode, and the upper and lower chord steel bars (1 and 2) of the two groups of plane steel bar trusses are connected at respective vertical intersection points in a welding mode; the bottom template (11) is fixedly connected to the bottom of the bidirectional steel bar truss through a nut (9), or a superposed concrete floor prefabricated layer (13) is constructed at the bottom of the bidirectional steel bar truss.
2. The fabricated bidirectional steel bar truss floor slab of claim 1, wherein: the upper chord steel bar (1), the lower chord steel bar (2), the web member steel bar (3) and the support steel bar (4) are positioned in the same vertical plane.
3. The fabricated bidirectional steel bar truss floor slab of claim 1, wherein: the planar steel bar trusses are arranged on steel beams (12), fixing nuts (9) are arranged at the mutually vertical intersection points of the lower chord steel bars (2) of the two groups of planar steel bar trusses, the fixing nuts (9) are fixedly welded to the bottom surfaces of the lower chord steel bars (2) of the two groups of planar steel bar trusses, the lower chord steel bars (2) are positioned below the lower chord steel bars (2), and the bottom formwork (11) is connected to the nuts (9) through bolts (10) penetrating through the bottom formwork (11), so that the bottom formwork (11) is detachably connected with the bidirectional steel bar trusses through the bolts (10; the top surface of the bottom template (11) is flush with the upper surface of the upper flange of the steel beam (12).
4. The fabricated bidirectional steel bar truss floor slab of claim 3, wherein: the bottom template (11) is provided with a through hole at the position corresponding to the installation of the bolt (10), the through hole of the bottom template (11) is coaxially aligned with the fixing nut (9) of the steel bar truss, and then the bottom template (11) is connected with the bidirectional steel bar truss through the bolt (10).
5. The fabricated bidirectional steel bar truss floor slab of claim 4, wherein: the outer edge of the bottom template (11) is flush with the edge of the upper flange of the steel beam (12).
6. The fabricated bidirectional steel bar truss floor slab of claim 4, wherein: the bottom template (11) is made of wood plywood, bamboo plywood, plastic templates or other light materials.
7. The fabricated bidirectional steel bar truss floor slab of claim 1, wherein: the planar steel bar trusses are arranged on the concrete beam (14), the lower chord steel bars (2) of the two groups of planar steel bar trusses are precast with concrete with fixed thickness to form a laminated concrete floor prefabricated layer (13) with plate surface steel bars, so that the laminated floor slab with concrete poured and stamped secondarily above the precast concrete floor slab can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921275766.5U CN211143440U (en) | 2019-08-07 | 2019-08-07 | Assembled bidirectional steel bar truss floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921275766.5U CN211143440U (en) | 2019-08-07 | 2019-08-07 | Assembled bidirectional steel bar truss floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211143440U true CN211143440U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921275766.5U Active CN211143440U (en) | 2019-08-07 | 2019-08-07 | Assembled bidirectional steel bar truss floor |
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| CN (1) | CN211143440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397200A (en) * | 2019-08-07 | 2019-11-01 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Assembled two-way concrete slab truss floor |
| CN112982782A (en) * | 2021-02-25 | 2021-06-18 | 西安建筑科技大学 | Assembly type disassembly-free steel bar truss floor bearing plate |
-
2019
- 2019-08-07 CN CN201921275766.5U patent/CN211143440U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397200A (en) * | 2019-08-07 | 2019-11-01 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Assembled two-way concrete slab truss floor |
| CN112982782A (en) * | 2021-02-25 | 2021-06-18 | 西安建筑科技大学 | Assembly type disassembly-free steel bar truss floor bearing plate |
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