CN112982782A - Assembly type disassembly-free steel bar truss floor bearing plate - Google Patents
Assembly type disassembly-free steel bar truss floor bearing plate Download PDFInfo
- Publication number
- CN112982782A CN112982782A CN202110212781.0A CN202110212781A CN112982782A CN 112982782 A CN112982782 A CN 112982782A CN 202110212781 A CN202110212781 A CN 202110212781A CN 112982782 A CN112982782 A CN 112982782A
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- Prior art keywords
- steel bar
- bottom plate
- concrete bottom
- bar truss
- bars
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 139
- 239000010959 steel Substances 0.000 title claims abstract description 139
- 239000004567 concrete Substances 0.000 claims abstract description 98
- 238000005452 bending Methods 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000005488 sandblasting Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 27
- 239000007788 liquid Substances 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 description 15
- 238000005034 decoration Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000003489 abdominal muscle Anatomy 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0627—Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses an assembled form removal-free steel bar truss floor support plate, wherein each floor slab unit comprises a concrete bottom plate, a steel bar truss and a connecting piece, the steel bar truss is connected with one surface of the concrete bottom plate through the connecting piece, the other surface of the concrete bottom plate is provided with a decorative layer, and the end parts of the decorative layers of the adjacent floor slab units and the end part of the concrete bottom plate are mutually staggered. The concrete bottom plate is used as a template for pouring concrete during construction, and the concrete bottom plate does not need to be dismantled after construction is finished, so that the construction period and the construction cost are shortened; meanwhile, the mechanical property of the concrete bottom plate is good, the concrete bottom plate can be used as a part of a floor slab structure and is stressed in cooperation with the upper cast-in-place structural layer concrete, the thickness of the floor slab can be reduced, the using amount of the upper cast-in-place concrete and the truss steel bars is reduced, and the floor clearance is increased. The tip and the mutual dislocation of concrete bottom plate tip of the decorative layer of adjacent floor slab unit can make the decorative layer and the concrete bottom plate overlap joint interlock of adjacent board end when the construction stage tiling floor carrier plate, effectively avoid leaking the thick liquid.
Description
Technical Field
The invention relates to the field of civil buildings, in particular to an assembled type formwork-removal-free steel bar truss floor bearing plate.
Background
With the development of fabricated buildings, steel bar truss concrete composite floor slabs are generally adopted in the construction of floor slab systems of civil buildings, namely, the lower half parts of steel bar trusses and concrete are poured together to manufacture concrete prefabricated sheets, and post-cast layer concrete is poured when the concrete prefabricated sheets are used, so that the concrete composite floor slabs are finally formed. The disadvantages of this plate type are: the maximum span is small, the larger and larger living room span of the civil residence can not be met, and the span of the building is limited; the span is increased, and the thickness and the cost of the floor slab, the construction difficulty and the whole construction cost of the floor are also greatly improved; self-weight, inconvenient transportation and installation.
The steel bar truss floor support plate is formed by processing upper and lower layers of steel bars into a space truss form in a factory, welding the galvanized profiled steel sheet and a steel bar truss framework together to form the steel bar truss floor support plate, and pouring concrete in a construction site to form a steel bar truss floor system. The steel bar truss floor support plate can be constructed without a supporting template, so that the field steel bar binding engineering quantity can be reduced, and the steel bar truss floor support plate has the advantages of high construction speed, short construction period, high assembly degree, reasonable stress mode and the like. However, because the bottom plate of the steel bar truss floor support plate is made of profiled steel plates, the steel bar truss floor support plate can be put into use only by hanging a ceiling after construction is finished, and therefore, in the field of civil buildings, civil residential systems often adopt the steel bar truss concrete composite floor slab instead of the steel bar truss floor support plate system which has more construction and cost advantages in construction
Removable steel bar truss building carrier plate based on above-mentioned steel bar truss building carrier plate is improved has remedied the weak point of steel bar truss building carrier plate to a certain extent. The steel bar truss is formed by welding stressed steel bars in a floor bearing plate in a factory, the steel bar truss is connected with a detachable wood template through screws to form a wood template and stressed steel bar integrated building product, and a bottom die is detachable and reusable after concrete pouring and forming. Therefore, putty can be directly smeared on the floor without a suspended ceiling. However, the installation procedure of removable steel bar truss building carrier plate is comparatively loaded down with trivial details, and the quality control point is many, and construction speed is slow, and pours and to have a protectiveness form removal process in addition after accomplishing, causes its construction cost to be high.
Disclosure of Invention
In order to solve the technical problems, the invention provides the assembled type disassembly-free steel bar truss floor bearing plate which is simple in structure, easy to assemble and good in reliability.
The invention is realized by the following technical scheme:
the utility model provides a fabricated formwork-dismantling-free steel bar truss floor bearing plate, includes floor slab unit, and every floor slab unit includes concrete floor, steel bar truss and connecting piece, and steel bar truss passes through the connecting piece to be connected with concrete floor's one side, and concrete floor's another side is equipped with the decorative layer, and the tip and the concrete floor tip of adjacent floor slab unit's decorative layer misplace each other.
Preferably, the steel bar truss includes that web reinforcement, last chord steel bar, support erect muscle and support horizontal muscle, last chord steel bar, support erect muscle and support horizontal muscle and are connected to triangular prism column structure, wherein last chord steel bar and last chord steel bar are as the edge of triangular prism column structure, and the edge of lower chord steel bar for being close to concrete bottom plate, web reinforcement are the wave structure, and the crest and the last chord steel bar of web reinforcement are connected, and the trough and the lower chord steel bar of web reinforcement are connected, and the trough of web reinforcement or lower chord steel bar are connected with the connecting piece.
Preferably, both ends of the support transverse rib are respectively welded with the end parts of the two lower chord steel bars, one end of the support vertical rib is welded with the end part of the upper chord steel bar, and the other end of the support vertical rib is welded with the middle part of the support transverse rib.
Preferably, when the trough of web muscle is connected with the connecting piece, the trough of web muscle is equipped with the web muscle section of bending, and the web muscle section of bending laminating is connected with the connecting piece surface and with the connecting piece, the web muscle section of bending is the structure that the trough of web muscle formed after being bent along being on a parallel with the connecting piece surface.
Preferably, the connecting piece includes fixed part and lower fixed part, goes up the fixed part and is connected with lower fixed part, and lower fixed part is buried in the concrete bottom plate, goes up the fixed part and is located the concrete bottom plate surface, and steel bar truss and last fixed part welding.
Preferably, the concrete bottom plate is provided with a plate rib, the connecting piece is arranged at the plate rib, the lower fixing part is embedded in the plate rib, and the upper fixing part is of a flat plate structure and is arranged at the top of the plate rib.
Preferably, the connecting piece includes fixed part and lower fixed part, goes up the fixed part and is located the concrete bottom plate surface, goes up the fixed part and has offered the screw thread blind hole towards concrete bottom plate one side, and lower fixed part adopts the bolt, the bolt runs through the concrete bottom plate and passes through the screw thread blind hole with last fixed part and be connected, and steel bar truss and last fixed part welding.
Preferably, one side of the concrete bottom plate facing the steel bar truss is provided with a corrugated groove, a sand blasting layer or a stiffening rib.
Preferably, the decorative layer is provided with a kerf with a preset length in the length direction.
Preferably, in each floor slab unit, the concrete bottom plate is connected with a plurality of steel bar trusses, the steel bar trusses are parallel to each other, and a preset distance is arranged between every two adjacent steel bar trusses.
The invention has the following beneficial effects:
in the assembled form disassembly-free steel bar truss floor support plate, the concrete bottom plate is used as a template for pouring concrete during construction, and the disassembly is not needed after the construction is finished, so that the construction period and the construction cost are shortened; meanwhile, the mechanical property of the concrete bottom plate is good, the concrete bottom plate can be used as a part of a floor slab structure and is stressed in cooperation with the upper cast-in-place structural layer concrete, the thickness of the floor slab can be reduced, the using amount of the upper cast-in-place concrete and the truss steel bars is reduced, and the floor clearance is increased. The steel bar truss, the concrete bottom plate and the connecting piece can be processed and assembled into the steel bar truss floor support plate in a factory, and the prefabrication degree is high; meanwhile, the thickness of the concrete bottom plate is relatively small, the whole steel bar truss floor bearing plate is light in weight, and the floor is convenient to lay during construction; the structural decoration integration of floor not only can be realized in the setting of decorative layer, moreover, through make the decorative layer and the concrete bottom plate of adjacent floor tip misplace each other when prefabricated decorative layer, can make the decorative layer and the concrete bottom plate overlap joint interlock of adjacent board end when the construction stage tiling building carrier plate, the thick liquid problem that leaks when can effectively avoiding concreting.
Further, when the trough of web muscle is connected with the connecting piece, the trough of web muscle is equipped with the web muscle section of bending, and the web muscle section of bending can increase the contact length between web muscle and the connecting piece, increases joint strength.
Drawings
Figure 1 is a schematic view of the construction of each floor unit of the invention;
figure 2 is a cross-sectional view of a floor element according to the embodiment of the invention shown in figure 1;
figure 3 is a longitudinal section of a floor element according to the embodiment of the invention shown in figure 1;
figure 4 is a plan view of a floor element according to the embodiment of the invention shown in figure 1;
fig. 5 is a schematic structural view illustrating a connection portion of a steel bar truss and a concrete floor according to the embodiment of the present invention shown in fig. 1;
figure 6 is a schematic view of the overlapping of the floor ends of adjacent floor units of the invention;
figure 7 is a longitudinal section through a floor element according to another embodiment of the invention;
fig. 8 is a schematic structural view illustrating a connection portion of the steel bar truss and the concrete floor according to the embodiment of the present invention shown in fig. 7.
In the figure: 1. a concrete floor; 2. a steel bar truss; 3. a connecting member; 1-1, a flat bottom plate; 1-2, a decorative layer; 1-3, plate ribs; 2-1, winding steel bars; 2-2, lower chord steel bars; 2-3, abdominal muscle; 2-4, bending the abdominal muscle; 2-5, vertical ribs of a support; 2-6, supporting seat transverse ribs; 3-1, fixing part on the connecting piece; 3-2, a lower fixing part of the connecting piece.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Referring to fig. 1, 3, 4, 6 and 7, the assembly type formwork-dismantling-free steel bar truss floor deck comprises floor units, each floor unit comprises a concrete bottom plate 1, a steel bar truss 2 and a connecting piece 3, the steel bar truss 2 is connected with one surface of the concrete bottom plate 1 through the connecting piece 3, a decorative layer 1-2 is arranged on the other surface of the concrete bottom plate 1, and the end parts of the decorative layers 1-2 of the adjacent floor units and the end part of the concrete bottom plate 1 are staggered. In the invention, the concrete bottom plate 1 is made of high-performance concrete and a composite material thereof, has the mechanical properties of strong crack resistance, high elastic modulus and high breaking strength, and can meet the stress requirements of the floor support plate in the construction stage and the use stage. The thickness of the concrete bottom plate 1 is determined according to mechanical indexes of used concrete, specifications of a steel bar truss floor support plate and load working conditions, the thickness of the concrete bottom plate is reduced as much as possible on the premise that mechanical property requirements are met, dead weight is reduced, and cost and construction difficulty are reduced. The decorative layer is preferably made of calcium silicate board. The concrete material comprises but is not limited to high-performance concrete and composite materials thereof, and meets the performance requirements of a construction stage and a stress stage under a certain thickness.
Referring to fig. 2 to 5, 7 and 8 as a preferred embodiment of the present invention, the steel bar truss 2 includes web bars 2-3, upper-chord steel bars 2-1, lower-chord steel bars 2-2, support vertical bars 2-5 and support horizontal bars 2-6, the upper chord steel bar 2-1, the lower chord steel bar 2-2, the support vertical steel bar 2-5 and the support transverse steel bar 2-6 are connected into a triangular prism structure, the upper chord steel bar 2-1 and the lower chord steel bar 2-2 are used as edges of a triangular prism-shaped structure, the lower chord steel bar 2-2 is an edge close to the concrete bottom plate 1, the web reinforcement 2-3 is a wave-shaped structure, a wave crest of the web reinforcement 2-3 is connected with the upper chord steel bar 2-1, a wave trough of the web reinforcement 2-3 is connected with the lower chord steel bar 2-2, and a wave trough of the web reinforcement 2-3 or the lower chord steel bar 2-2 is connected with the connecting piece 3.
Referring to fig. 3 and 4, as a preferred embodiment of the present invention, both ends of the support transverse bar 2-6 are welded to the ends of the two lower chord steel bars 2-2, respectively, one end of the support vertical bar 2-5 is welded to the end of the upper chord steel bar 2-1, and the other end of the support vertical bar 2-5 is welded to the middle of the support transverse bar 2-6.
As a preferred embodiment of the present invention, referring to fig. 2 to 5, when the wave trough of the web rib 2-3 is connected to the connecting member 3, the wave trough of the web rib 2-3 is provided with a web rib bending section 2-4, the web rib bending section 2-4 is attached to the surface of the connecting member 3 and connected to the connecting member 3, and the web rib bending section 2-4 is a structure formed by bending the wave trough of the web rib 2-3 parallel to the surface of the connecting member 3.
Referring to fig. 2 and 5, the connecting member 3 includes an upper fixing portion 3-1 and a lower fixing portion 3-2, the upper fixing portion 3-1 is connected to the lower fixing portion 3-2, the lower fixing portion 3-2 is embedded in the concrete bottom plate 1, the upper fixing portion 3-1 is located on the surface of the concrete bottom plate 1, and the steel bar truss 2 is welded to the upper fixing portion 3-1.
Referring to fig. 2 and 5, as a preferred embodiment of the present invention, a concrete floor 1 is provided with plate ribs 1-3, and a connecting member 3 is provided at the plate ribs 1-3, wherein a lower fixing portion 3-2 is embedded in the plate ribs 1-3, and an upper fixing portion 3-1 is of a flat plate structure and is provided at the tops of the plate ribs 1-3.
Referring to fig. 7 and 8, the connecting member 3 includes an upper fixing portion 3-1 and a lower fixing portion 3-2, the upper fixing portion 3-1 is located on the surface of the concrete bottom plate 1, a threaded blind hole is formed in one side of the upper fixing portion 3-1 facing the concrete bottom plate 1, the lower fixing portion 3-2 is a bolt, the bolt penetrates through the concrete bottom plate 1 and is connected with the upper fixing portion 3-1 through the threaded blind hole, and the steel bar truss 2 is welded to the upper fixing portion 3-1.
As a preferred embodiment of the invention, the concrete used for the concrete bottom plate has better binding capacity with cast-in-place common concrete; when the combining ability of the two is not satisfactory, the construction measures such as but not limited to plate surface pre-corrugated groove, sand blasting or ribbing and the like are adopted to improve the cooperative stress performance of the combining surfaces of the two. At this time, a corrugated groove, a sand blasting layer or a stiffening rib is arranged on one surface of the concrete bottom plate 1 facing the steel bar truss 2.
Referring to fig. 6, the decoration layers 1-2 are provided with slits of a predetermined length in the length direction, so as to prevent the decoration layer material from cracking along with the deformation of the floor deck.
Referring to fig. 1 and 4, in each floor slab unit, a concrete bottom plate 1 is connected with a plurality of steel bar trusses 2, the steel bar trusses 2 are parallel to each other, and adjacent steel bar trusses 2 are spaced apart by a predetermined distance.
As a preferred embodiment of the invention, the plate end of the concrete bottom plate 1 is overlapped with the beam to a certain extent, and a certain edge sealing measure is assisted, so that the problem of slurry leakage during concrete pouring can be avoided.
Example 1
Referring to fig. 1-6, the assembly type formwork-dismantling-free steel bar truss floor deck of the present embodiment includes a concrete bottom plate 1, a steel bar truss 2 and a connecting member 3, where the concrete bottom plate 1 includes a bottom plate portion 1-1, plate ribs 1-3 arranged according to a connection, and a prefabricated decoration layer 1-2, the steel bar truss 2 includes an upper chord steel bar 2-1, a lower chord steel bar 2-2, a web bar 2-3, a web bar bending section 2-4, a support vertical steel bar 2-5, and a support transverse steel bar 2-6, and the connecting member 3 includes two portions, i.e., an upper fixing portion 3-1 and a lower fixing portion 3-2.
Example 1 employs a pre-embedded form of the connector 3. Firstly, rolling a concrete bottom plate 1 in a factory, pressing a lower fixing part 3-2 of a connecting piece 3 into a plate rib 1-3 according to a designed position before initial setting of concrete, and effectively connecting the connecting piece 3 with the concrete bottom plate 1 after the concrete is set; then, welding equipment is used in a factory to spot-weld the web bar bending section 2-4 of the steel bar truss 2 on the upper fixing part 3-1 of the connecting piece 3, so that the steel bar truss 2 and the concrete bottom plate 1 form an integral steel bar truss floor bearing plate; and finally, manufacturing a decorative layer 1-3 on the bottom surface of the concrete bottom plate 1 to realize the product target of structural decoration integration.
Example 2
Referring to fig. 7-8, the assembly type formwork-dismantling-free steel bar truss floor deck of the embodiment includes a concrete bottom plate 1, a steel bar truss 2 and a connecting member 3, wherein the concrete bottom plate 1 includes a bottom plate portion 1-1 and a prefabricated decoration layer 1-2, the steel bar truss 2 includes an upper chord steel bar 2-1, a lower chord steel bar 2-2, a web rib 2-3, a support vertical steel bar 2-5 and a support transverse steel bar 2-6, and the connecting member 3 includes an upper fixing portion 3-1 and a lower fixing portion 3-2.
Example 2 employs a connector in the form of a fastener. Firstly, rolling a concrete bottom plate 1 in a factory, and forming a hole at the design position of a connecting piece 3 after the concrete reaches a certain strength; the upper fixing part 3-1 of the connecting piece 3 is in a specially-made nut form, namely a screw hole is not penetrated (namely a threaded blind hole), one end of the connecting piece can be subjected to spot welding, the other end of the connecting piece can be subjected to screw penetrating, the lower fixing part 3-2 adopts a screw, and after the connecting piece 3 is installed, the lower chord steel bar 2-3 of the steel bar truss 2 is subjected to spot welding on the upper fixing part 3-1, so that the steel bar truss 2 and the concrete bottom plate 1 form an integral steel bar truss floor bearing; and finally, manufacturing a decorative layer 1-3 on the bottom surface of the concrete bottom plate 1, and concealing the exposed part of the lower fixing part 3-2 to realize the product target of structural decoration integration.
Claims (10)
1. The utility model provides a fabricated formwork-dismantling-free steel bar truss floor bearing plate, which is characterized in that, includes floor slab unit, every floor slab unit includes concrete bottom plate (1), steel bar truss (2) and connecting piece (3), steel bar truss (2) pass through connecting piece (3) and are connected with one side of concrete bottom plate (1), the another side of concrete bottom plate (1) is equipped with decorative layer (1-2), the tip and the concrete bottom plate (1) tip of the decorative layer (1-2) of adjacent floor slab unit misplace each other.
2. The assembly type formwork-free steel bar truss floor deck as claimed in claim 1, wherein the steel bar truss (2) comprises web bars (2-3), upper chord steel bars (2-1), lower chord steel bars (2-2), support vertical bars (2-5) and support transverse bars (2-6), the upper chord steel bars (2-1), the lower chord steel bars (2-2), the support vertical bars (2-5) and the support transverse bars (2-6) are connected into a triangular prism structure, wherein the upper chord steel bars (2-1) and the lower chord steel bars (2-2) are used as edges of the triangular prism structure, the lower chord steel bars (2-2) are edges close to the concrete bottom plate (1), the web bars (2-3) are wave-shaped structures, and wave crests of the web bars (2-3) are connected with the upper chord steel bars (2-1), the wave trough of the web reinforcement (2-3) is connected with the lower chord steel bar (2-2), and the wave trough of the web reinforcement (2-3) or the lower chord steel bar (2-2) is connected with the connecting piece (3).
3. The assembly type formwork-free steel bar truss floor deck as claimed in claim 2, wherein two ends of the support transverse bar (2-6) are respectively welded with the ends of the two lower chord steel bars (2-2), one end of the support vertical bar (2-5) is welded with the end of the upper chord steel bar (2-1), and the other end of the support vertical bar (2-5) is welded with the middle part of the support transverse bar (2-6).
4. The assembled form-stripping-free steel bar truss floor deck as claimed in claim 2, wherein when the wave troughs of the web bars (2-3) are connected with the connecting members (3), the wave troughs of the web bars (2-3) are provided with web bar bending sections (2-4), the web bar bending sections (2-4) are attached to the surfaces of the connecting members (3) and connected with the connecting members (3), and the web bar bending sections (2-4) are structures formed by bending the wave troughs of the web bars (2-3) along the surfaces parallel to the connecting members (3).
5. The assembly type disassembly-free steel bar truss floor deck according to claim 1, wherein the connecting piece (3) comprises an upper fixing part (3-1) and a lower fixing part (3-2), the upper fixing part (3-1) is connected with the lower fixing part (3-2), the lower fixing part (3-2) is embedded in the concrete bottom plate (1), the upper fixing part (3-1) is positioned on the surface of the concrete bottom plate (1), and the steel bar truss (2) is welded with the upper fixing part (3-1).
6. The assembly type disassembly-free steel bar truss floor deck according to claim 5, wherein the concrete bottom plate (1) is provided with plate ribs (1-3), the connecting pieces (3) are arranged at the plate ribs (1-3), wherein the lower fixing parts (3-2) are embedded in the plate ribs (1-3), and the upper fixing parts (3-1) are of a flat plate structure and are arranged at the tops of the plate ribs (1-3).
7. The assembly type disassembly-free steel bar truss floor deck as claimed in claim 1, wherein the connecting member (3) comprises an upper fixing portion (3-1) and a lower fixing portion (3-2), the upper fixing portion (3-1) is located on the surface of the concrete bottom plate (1), one side of the upper fixing portion (3-1) facing the concrete bottom plate (1) is provided with a threaded blind hole, the lower fixing portion (3-2) is provided with a bolt, the bolt penetrates through the concrete bottom plate (1) and is connected with the upper fixing portion (3-1) through the threaded blind hole, and the steel bar truss (2) is welded with the upper fixing portion (3-1).
8. An assembly form-stripping-free steel bar truss floor deck as claimed in claim 1, wherein the concrete bottom plate (1) is provided with corrugated grooves, sand blasting layers or stiffening ribs on the side facing the steel bar truss (2).
9. The assembly type disassembly-free steel bar truss floor deck as claimed in claim 1, wherein the decorative layer (1-2) is slit with a predetermined length along the length direction.
10. The assembly type formwork-free steel bar truss floor deck as claimed in claim 1, wherein in each floor slab unit, the concrete bottom plate (1) is connected with a plurality of steel bar trusses (2), the plurality of steel bar trusses (2) are parallel to each other, and adjacent steel bar trusses (2) are spaced apart by a preset distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110212781.0A CN112982782A (en) | 2021-02-25 | 2021-02-25 | Assembly type disassembly-free steel bar truss floor bearing plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110212781.0A CN112982782A (en) | 2021-02-25 | 2021-02-25 | Assembly type disassembly-free steel bar truss floor bearing plate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279529A (en) * | 2021-06-28 | 2021-08-20 | 北京城建集团有限责任公司 | Large-span disassembly-free ladder structure based on steel bar truss floor support plate and construction method thereof |
| CN113374168A (en) * | 2021-07-28 | 2021-09-10 | 南通装配式建筑与智能结构研究院 | Novel steel bar truss coincide floor |
| CN113982166A (en) * | 2021-09-29 | 2022-01-28 | 山东经典重工集团股份有限公司 | Prefabricated coincide floor of assembly system |
| CN114753535A (en) * | 2022-04-11 | 2022-07-15 | 安徽睿晟诺建筑材料科技有限公司 | Bottom die detachment-free steel bar truss floor support plate and manufacturing method thereof |
| CN116356998A (en) * | 2021-12-28 | 2023-06-30 | 河北华洋精工机械制造有限公司 | Steel bar truss floor support plate |
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| CN211143440U (en) * | 2019-08-07 | 2020-07-31 | 杭州铁木辛柯建筑结构设计事务所有限公司 | Assembled bidirectional steel bar truss floor |
| CN214614896U (en) * | 2021-02-25 | 2021-11-05 | 西安建筑科技大学 | Assembly type disassembly-free steel bar truss floor bearing plate |
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| CN113279529A (en) * | 2021-06-28 | 2021-08-20 | 北京城建集团有限责任公司 | Large-span disassembly-free ladder structure based on steel bar truss floor support plate and construction method thereof |
| CN113279529B (en) * | 2021-06-28 | 2023-09-29 | 北京城建集团有限责任公司 | Large-span disassembly-free ladder structure based on steel bar truss floor support plate and construction method thereof |
| CN113374168A (en) * | 2021-07-28 | 2021-09-10 | 南通装配式建筑与智能结构研究院 | Novel steel bar truss coincide floor |
| CN113982166A (en) * | 2021-09-29 | 2022-01-28 | 山东经典重工集团股份有限公司 | Prefabricated coincide floor of assembly system |
| CN113982166B (en) * | 2021-09-29 | 2023-12-08 | 经典重工集团股份有限公司 | Prefabricated composite floor slab of assembly system |
| CN116356998A (en) * | 2021-12-28 | 2023-06-30 | 河北华洋精工机械制造有限公司 | Steel bar truss floor support plate |
| CN114753535A (en) * | 2022-04-11 | 2022-07-15 | 安徽睿晟诺建筑材料科技有限公司 | Bottom die detachment-free steel bar truss floor support plate and manufacturing method thereof |
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Application publication date: 20210618 |