CN116927400A - Steel tube bundle truss fiber concrete floor carrier plate and composite floor slab - Google Patents
Steel tube bundle truss fiber concrete floor carrier plate and composite floor slab Download PDFInfo
- Publication number
- CN116927400A CN116927400A CN202310936055.2A CN202310936055A CN116927400A CN 116927400 A CN116927400 A CN 116927400A CN 202310936055 A CN202310936055 A CN 202310936055A CN 116927400 A CN116927400 A CN 116927400A
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- China
- Prior art keywords
- steel tube
- tube bundle
- truss
- steel
- bottom plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 182
- 239000010959 steel Substances 0.000 title claims abstract description 182
- 239000004567 concrete Substances 0.000 title claims abstract description 56
- 239000000835 fiber Substances 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims description 6
- 239000011210 fiber-reinforced concrete Substances 0.000 claims 1
- 238000009933 burial Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 8
- 238000009415 formwork Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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
-
- 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
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
Landscapes
- 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
A steel tube bundle truss fiber concrete floor support plate and a composite floor slab comprise a bottom plate and a steel tube bundle truss; the steel tube bundle trusses are arranged on the bottom plate in parallel; the steel tube bundle truss comprises an upper chord steel tube bundle, a lower chord assembly and a connecting assembly; the two lower chord assemblies are arranged on the bottom plate in parallel, an upper chord steel tube bundle is fixedly connected to the two lower chord assemblies through a connecting assembly, and high-strength grouting material is filled in the upper chord steel tube bundle. After the upper chord steel tube bundles, the lower chord steel tube bundles and the steel bars are welded into the steel tube bundle truss, the bottom plate is poured, the truss is buried into the bottom plate to achieve the specified burial depth, the truss and the bottom plate become a stressed whole, the integral rigidity of the fabricated floor carrier plate is improved, the formwork-free span is increased, the truss is better suitable for floors with larger span space in a building, and the cost is reduced.
Description
Technical Field
The invention belongs to the technical field of floor support plate structures, and particularly relates to a steel tube bundle truss fiber concrete floor support plate and a composite floor slab.
Background
The development of prefabricated building cover plate components is mature, a large number of prefabricated building cover plates are adopted in actual engineering, and the prefabricated assembly is realized to a certain extent. Floor slabs have undergone three generations of development as an important component in structural systems. Comprises a cast-in-situ reinforced concrete floor slab, a profiled steel sheet concrete composite floor slab and a reinforced truss floor support plate.
The cast-in-situ reinforced concrete floor slab has the advantages of strong integrity, randomly changeable planar shape along with the formwork, good waterproof performance and outstanding earthquake-resistant performance. However, the floor slab needs to be subjected to formwork erection on site, steel bars are bound, concrete is poured and maintained, and after the concrete strength reaches a certain standard, the formwork is removed, so that a large amount of labor, material resources and time cost are consumed.
The profiled steel sheet concrete composite floor slab has the advantages that if the profiled steel sheet concrete composite floor slab is a closed profiled steel sheet composite floor slab, the profiled steel sheet concrete composite floor slab completely replaces the tensile steel bars at the bottom of the slab, the cost is saved, and the bottom of the slab is flat; and the formwork is not required to be supported, so that the construction period can be shortened, and the construction cost of the formwork is saved. However, the floor slab still needs a large amount of steel bar bundling work on site, corrosion and fire prevention measures are added to the profiled steel sheet, and when the span is large, the support needs to be erected.
The steel bar truss floor support plate has the advantages that the fire resistance and the corrosion resistance are superior to those of the profiled steel sheet composite floor plate; the prefabricated part is produced in a factory standardized manner on economic cost, so that the production efficiency is improved; the steel bar truss floor support plate does not need to be supported, a plurality of floor plates can be poured at the same time, and the construction period is obviously shortened. The floor slab has the defects that the rigidity of the bottom template is small, and the bottom template is easy to deform and damage in the transportation and hoisting processes; the galvanized steel sheet bottom die cannot be directly plastered and decorated, suspended ceiling treatment is needed, and the application range is limited; the span of the support-free steel bar truss floor support plate is smaller, and the rigidity is insufficient.
Disclosure of Invention
The invention aims to provide a steel tube bundle truss fiber concrete floor support plate and a composite floor slab, so as to solve the problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a steel tube bundle truss fiber concrete floor support plate comprises a bottom plate and a steel tube bundle truss; the steel tube bundle trusses are arranged on the bottom plate in parallel;
the steel tube bundle truss comprises an upper chord steel tube bundle, a lower chord assembly and a connecting assembly; the two lower chord assemblies are arranged on the bottom plate in parallel, an upper chord steel tube bundle is fixedly connected to the two lower chord assemblies through a connecting assembly, and high-strength grouting material is filled in the upper chord steel tube bundle.
Further, the lower chord component is a lower chord steel pipe or a lower chord steel bar.
Further, a sinking groove is formed in the bottom plate, and the lower chord component is arranged in the sinking groove.
Further, the connecting component is a steel plate or a steel bar.
Further, the connecting components are uniformly welded on two sides of the upper chord steel tube bundle and the lower chord component and are symmetrically arranged.
Further, the steel plate is an L-shaped plate, and one end of the steel plate is embedded in the bottom plate.
Further, the steel bar is a continuously bent steel bar with bent legs, and the bottom of the steel bar is embedded in the bottom plate.
Further, the upper chord steel tube bundle is formed by welding a plurality of square steel tubes side by side.
Further, the bottom plate is a fiber concrete bottom plate.
Further, the composite floor slab is formed by connecting a plurality of steel tube bundle truss fiber concrete floor carrier plates side by side.
Compared with the prior art, the invention has the following technical effects:
the invention relates to a steel tube bundle truss fiber concrete floor support plate, which is a building product formed by fixedly connecting a steel tube bundle truss with a bottom die to form a bottom die and a stressed steel tube bundle truss integrated structure. The steel tube bundle truss is arranged along the width direction of the floor support plate; after the upper chord steel tube bundles, the lower chord steel tube bundles and the steel bars are welded into the steel tube bundle truss, the bottom plate is poured, the truss is buried into the bottom plate to achieve the specified burial depth, the truss and the bottom plate become a stressed whole, the integral rigidity of the fabricated floor carrier plate is improved, the formwork-free span is increased, the truss is better suitable for floors with larger span space in a building, and the cost is reduced.
Drawings
FIG. 1 is an installation diagram of the present invention;
FIG. 2 is an enlarged view of FIG. 1;
FIG. 3 illustrates a fiber concrete floor form in accordance with the present invention;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a front view of the present invention;
FIG. 6 is a side view of the present invention;
FIG. 7 is a top view of the present invention;
FIG. 8 is a three-dimensional view of the present invention;
fig. 9 is a view of a reinforcing bar according to the present invention;
FIG. 10 is a lower chord steel pipe according to the present invention;
FIG. 11 is a top chord steel tube bundle according to the present invention;
fig. 12 is a steel bar alternative to the lower chord steel pipe according to the present invention;
fig. 13 is a view showing a steel plate of the alternative reinforcing bar according to the present invention;
FIG. 14 is a view showing the installation of the steel plate according to the present invention;
fig. 15 is an enlarged view of a portion of fig. 14 in accordance with the present invention.
Fig. 16 is a view showing the installation of the reinforcing bars of the present invention.
Fig. 17 is a partial enlarged view of fig. 16.
Fig. 18 is a view showing the installation of the steel plate and the lower chord steel bar according to the present invention;
fig. 19 is an enlarged view of a portion of fig. 18.
FIG. 20 is a front view of the floor slab of FIG. 14;
fig. 21 is an elevation view of the steel tube bundle of fig. 14 being wound with a high strength grouting material.
Wherein: 1. a fibrous concrete floor; 2. a steel tube bundle truss; 3. reinforcing steel bars; 4. a lower chord steel pipe; 5. a steel tube bundle is wound; 6. a steel plate; 7. and (5) a lower chord steel bar.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is made to the following examples which are illustrated in the accompanying drawings in which:
referring to fig. 1 to 21, a steel tube bundle truss fiber concrete floor support plate comprises a bottom plate 1 and a steel tube bundle truss 2; the steel tube bundle trusses 2 are arranged on the bottom plate 1 in parallel;
the steel tube bundle truss 2 comprises an upper chord steel tube bundle 5, a lower chord component and a connecting component; the two lower chord assemblies are arranged on the bottom plate 1 in parallel, the upper chord steel tube bundles 5 are fixedly connected to the two lower chord assemblies through the connecting assemblies, and high-strength grouting materials are filled in the upper chord steel tube bundles 5.
The lower chord component is a lower chord steel pipe 4 or a lower chord steel bar 7.
The bottom plate 1 is provided with a sinking groove, and the lower chord component is arranged in the sinking groove.
The connecting component is a steel plate 6 or a steel bar 3.
The steel tube bundle truss consisting of the upper chord steel tube bundle, the lower chord steel tube bundle and the steel bars greatly reduces the workload of binding the steel bars, improves the production efficiency and saves the labor cost;
the steel tube bundle truss floor support plate adopts the fiber concrete bottom template, so that plastering of a bottom plate and decoration of a suspended ceiling can be avoided, and compared with a profiled steel plate floor support plate, the steel tube bundle truss floor support plate has better fire resistance and corrosion resistance;
as an assembly type component, the factory prefabrication production efficiency is high, the processing speed is high, the cost is low, the quality is convenient to ensure, the construction is simpler and more convenient, the economy is good, and the efficiency is high;
the integral rigidity is high, the anti-seismic performance is good, and the defects that the steel bar truss floor support plate is easy to deform, damage and the like in the transportation and hoisting processes are greatly overcome;
the span is large, the span can be prevented from being erected and supported in the midspan, the formwork supporting cost and the construction time are effectively reduced, and then a plurality of floor slab concrete can be poured at the same time, after maintenance, the formwork is not required to be removed, the construction period is obviously shortened, and the construction efficiency is improved
Example 1:
as shown in fig. 2, a reinforcing bar, a lower chord steel pipe and an upper chord steel pipe bundle
The concrete slab further comprises a fiber concrete bottom plate 1, an upper chord steel tube bundle 5, a lower chord steel tube bundle 4 and steel bars 3; and (3) using fiber concrete as a bottom plate and also as a bottom template, welding the upper chord steel tube bundle, the lower chord steel tube bundle and the steel bars to form a steel tube bundle truss 2, filling the inside of the upper chord steel tube bundle with high-strength grouting materials, and arranging the steel tube bundle truss along the width direction of the floor carrier plate. And curing after the concrete pouring is finished, and taking the steel tube bundle truss and the fiber concrete bottom template as templates to form a whole with the concrete without removing the mould.
Example 2:
as shown in fig. 15, a steel plate, a lower chord steel pipe and an upper chord steel pipe bundle
The fiber concrete floor comprises a fiber concrete floor body 1, an upper chord steel tube bundle 5, a lower chord steel tube bundle 4 and a steel plate 6; and (3) using fiber concrete as a bottom plate and also as a bottom template, welding the upper chord steel tube bundle, the lower chord steel tube bundle and the steel plate to form a steel tube bundle truss 2, filling the inside of the upper chord steel tube bundle with high-strength grouting materials, and arranging the steel tube bundle truss along the width direction of the floor carrier plate. And curing after the concrete pouring is finished, and taking the steel tube bundle truss and the fiber concrete bottom template as templates to form a whole with the concrete without removing the mould.
Example 3:
as shown in fig. 16, the reinforcing bars, the lower chord reinforcing bars and the upper chord steel pipe bundles
The concrete slab also comprises a fiber concrete bottom plate 1, an upper chord steel tube bundle 5, a lower chord steel bar and a steel bar; and (3) using fiber concrete as a bottom plate and also as a bottom template, welding an upper chord steel tube bundle, a lower chord steel bar and the steel bars to form a steel tube bundle truss 2, filling the inside of the upper chord steel tube bundle with high-strength grouting materials, and arranging the steel tube bundle truss along the width direction of the floor carrier plate. And curing after the concrete pouring is finished, and taking the steel tube bundle truss and the fiber concrete bottom template as templates to form a whole with the concrete without removing the mould.
Example 4:
as shown in fig. 19, a steel plate, a lower chord steel bar and an upper chord steel pipe bundle
The steel plate also comprises a fiber concrete bottom plate 1, an upper chord steel tube bundle 5, a lower chord steel bar and a steel plate; and (3) using fiber concrete as a bottom plate and also as a bottom template, welding an upper chord steel tube bundle, a lower chord steel bar and a steel plate to form a steel tube bundle truss 2, filling the inside of the upper chord steel tube bundle with high-strength grouting materials, and arranging the steel tube bundle truss along the width direction of the floor carrier plate. And curing after the concrete pouring is finished, and taking the steel tube bundle truss and the fiber concrete bottom template as templates to form a whole with the concrete without removing the mould.
The construction steps of the floor support plate are as follows:
1. according to the design scheme, a steel bar truss 2 is prefabricated, an upper chord steel bar bundle 5, a lower chord steel bar bundle 4 and steel bars 3 are welded respectively to form the truss, high-strength grouting material is poured into the upper chord steel bar bundle 5, and the lower chord steel tubes 4 are welded on the inner sides of the steel bars.
2. When the components are prefabricated in a factory, the bottom plate 1 is poured firstly, then the bent feet of the steel bars 3 and part of the lower chord steel tube bundles 4 are buried into the bottom plate to a certain depth, and after the bottom plate 1 forms strength, the bottom plate 1 and the steel tube bundle truss 2 form tight connection.
3. Placing the steel tube bundle truss floor support plate on a steel beam, paving a pipeline, erecting an upper steel bar net rack, pouring concrete, combining a concrete entity on a bottom plate, the steel tube bundle truss and a fiber concrete bottom template into a stressed whole, and removing the die after maintenance is completed.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (10)
1. The steel tube bundle truss fiber concrete floor support plate is characterized by comprising a bottom plate (1) and a steel tube bundle truss (2); the steel tube bundle trusses (2) are arranged on the bottom plate (1) in parallel;
the steel tube bundle truss (2) comprises an upper chord steel tube bundle (5), a lower chord component and a connecting component; the two lower chord assemblies are arranged on the bottom plate (1) in parallel, the upper chord steel tube bundles (5) are fixedly connected to the two lower chord assemblies through the connecting assemblies, and high-strength grouting materials are filled in the upper chord steel tube bundles (5).
2. The steel tube bundle truss fiber concrete floor support plate according to claim 1, wherein the lower chord component is a lower chord steel tube (4) or a lower chord steel bar (7).
3. A steel tube bundle truss fiber concrete floor carrier plate according to claim 1, wherein the bottom plate (1) is provided with a sink groove, and the lower chord assembly is arranged in the sink groove.
4. A steel tube bundle truss fiber reinforced concrete floor support plate according to claim 1, wherein the connection assembly is a steel plate (6) or a steel bar (3).
5. A steel tube bundle truss fiber concrete floor carrier plate according to claim 1, wherein the connecting assemblies are welded uniformly on both sides of the upper chord steel tube bundle (5) and the lower chord assembly and are symmetrically arranged.
6. The steel tube bundle truss fiber concrete floor support plate according to claim 4, wherein the steel plate (6) is an L-shaped plate, and one end of the steel plate (6) is embedded in the bottom plate (1).
7. The steel tube bundle truss fiber concrete floor support plate according to claim 4, wherein the steel bars (3) are continuously bent steel bars with bent legs, and the bottoms of the steel bars (3) are embedded in the bottom plate (1).
8. A steel tube bundle truss fiber concrete floor carrier plate according to claim 1, characterized in that the upper chord steel tube bundle (5) is formed by welding a plurality of square steel tubes side by side.
9. A steel tube bundle truss fiber concrete floor support plate according to claim 1, characterized in that the bottom plate (1) is a fiber concrete bottom plate.
10. A composite floor slab, characterized in that it is formed by connecting a plurality of steel tube bundle truss fiber concrete floor carrier plates according to any one of claims 1 to 9 side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310936055.2A CN116927400A (en) | 2023-07-27 | 2023-07-27 | Steel tube bundle truss fiber concrete floor carrier plate and composite floor slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310936055.2A CN116927400A (en) | 2023-07-27 | 2023-07-27 | Steel tube bundle truss fiber concrete floor carrier plate and composite floor slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116927400A true CN116927400A (en) | 2023-10-24 |
Family
ID=88389546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310936055.2A Pending CN116927400A (en) | 2023-07-27 | 2023-07-27 | Steel tube bundle truss fiber concrete floor carrier plate and composite floor slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116927400A (en) |
-
2023
- 2023-07-27 CN CN202310936055.2A patent/CN116927400A/en active Pending
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