CN211850069U - Concrete structure inflation strengthening band structure - Google Patents
Concrete structure inflation strengthening band structure Download PDFInfo
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- CN211850069U CN211850069U CN201922318573.XU CN201922318573U CN211850069U CN 211850069 U CN211850069 U CN 211850069U CN 201922318573 U CN201922318573 U CN 201922318573U CN 211850069 U CN211850069 U CN 211850069U
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Abstract
The invention discloses a concrete structure expansion reinforcing band structure which comprises concrete matrixes (1) positioned on two sides and an expansion reinforcing band (2) clamped between the concrete matrixes (1) on the two sides, wherein transverse stressed steel bars (6) are arranged in the concrete matrixes (1) and the expansion reinforcing band (2), and a quick and easy closing net (3) is arranged on a joint surface between the concrete matrixes (1) and the expansion reinforcing band (2). The invention has the advantages that the fast and easy closing net is adopted to separate the inner area and the outer area of the reinforcing belt, compared with a dense mesh steel wire net, the self weight is light, the mechanical property is good, the installation is convenient, and the construction speed is greatly improved. The mesh holes of the fast and easy closing net in the expansion reinforcing belt structure can be used for cooperatively dispersing water pressure generated by cement paste during concrete pouring, and the pressure of poured concrete is reduced to 2/3, so that the fast and easy closing net is prevented from deforming and damaging due to overlarge lateral pressure to influence the internal and external separation effect of the reinforcing belt.
Description
Technical Field
The invention relates to the field of buildings, in particular to an expansion reinforcing belt structure of a concrete structure.
Background
With the rapid development of national economy, the construction requirements of a large number of ultra-long concrete buildings and structures are increasing continuously. In recent years, a large number of engineering practices prove that the ultra-long concrete structure adopts the expansion reinforcing belt, can be continuously constructed without leaving seams or cracking, reduces troubles caused by seam separation treatment, greatly shortens the construction period and obtains remarkable economic benefits. The expansion reinforcing band is an engineering technical measure for reducing or eliminating the post-cast band and the expansion joint and prolonging the continuous casting length of the component by casting the compensating shrinkage concrete with a higher grade at the position of the post-cast band preset in the structure. The existing expansion reinforcing belt structure method is deficient, the inner side and the outer side of the reinforcing belt are separated by the dense mesh steel wire mesh, the lateral impact force and the pressure to the dense mesh steel wire mesh are large in the concrete pouring and vibrating process, the steel wire mesh is easy to deform, run and even break, and the quality problem is caused.
Disclosure of Invention
The invention provides an expansion reinforcing belt structure of a concrete structure, which solves the quality problems that the existing expansion reinforcing belt structure is deficient, the inner side and the outer side of the reinforcing belt are separated by adopting a dense mesh steel wire mesh, the lateral impact force and the pressure to the dense mesh steel wire mesh are large in the concrete pouring and vibrating processes, and the steel wire mesh is easy to deform and run or even break.
In order to achieve the purpose, the invention provides a concrete structure expansion reinforcing band structure, which comprises concrete matrixes on two sides and an expansion reinforcing band clamped between the concrete matrixes on the two sides, wherein transverse stressed steel bars are arranged in the concrete matrixes and the expansion reinforcing band, and a quick and easy closing net is arranged on a joint surface between the concrete matrixes and the expansion reinforcing band.
In the above concrete structure expansion reinforcing band structure, preferably, vertical reinforcing steel bars are arranged on the cross section of the expansion reinforcing band connected with the concrete base body on both sides of the expansion reinforcing band at intervals of 150mm, and the vertical reinforcing steel bars are connected to the transverse stressed steel bars.
According to the concrete structure expansion reinforcing band structure, in an optimal mode, binding or welding connection is adopted between the vertical reinforcing steel bars and the transverse stressed steel bars.
In the above structure of the concrete structural expansion reinforcing band, preferably, lateral additional steel bars are arranged on the upper and lower layers of the expansion reinforcing band, and both ends of the lateral additional steel bars respectively extend out of the expansion reinforcing band by 1.0m ± 0.2 m.
In the above concrete structure expansion reinforcing band structure, preferably, the fast and easy closing net comprises a plurality of V-shaped net bones arranged in parallel and a steel net surface connected to the V-shaped net bones.
In the above construction of the concrete structural expansion reinforcing band, preferably, the steel mesh surface may be curved in an arc shape along a V-shaped parallel direction.
In the above structure, preferably, the steel mesh surface has regular punched holes, and the punched holes have raised tooth plates for reinforcing the bonding strength between the steel mesh surface and the material.
The invention has the advantages that the fast and easy closing net is adopted to separate the inner area and the outer area of the reinforcing belt, compared with a dense mesh steel wire net, the self weight is light, the mechanical property is good, the installation is convenient, and the construction speed is greatly improved. The mesh holes of the fast and easy closing net in the expansion reinforcing belt structure can be used for cooperatively dispersing water pressure generated by cement paste during concrete pouring, and the pressure of poured concrete is reduced to 2/3, so that the fast and easy closing net is prevented from deforming and damaging due to overlarge lateral pressure to influence the internal and external separation effect of the reinforcing belt.
When concrete is poured, the residual angles on the meshes are embedded in the concrete, so that the combination effect between the net sheets and the concrete is enhanced, a tightly connected mechanical wedge is formed, and the quality of the joint is strictly controlled. Meanwhile, the fast and easy closing net is convenient for the steel bars to penetrate and continuously bind the steel bars, and the porous special grid of the closing net can ensure the forced steel bars to pass through by applying slight force, so that the operation of workers is convenient. The quick and easy closing net in the invention is left in the surface layer after the pouring of the two sides of the reinforcing belt is finished, and can play an auxiliary reinforcing role in preventing the concrete surface layer from drying shrinkage and humidity shrinkage cracks.
Drawings
FIG. 1 is a schematic plan view of the structure of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
figure 3 is a schematic view of the construction of a quick and easy heal web of the present invention.
In the figure, 1, a concrete matrix, 2, an expansion reinforcing band, 3, a quick and easy closing net, 301, a V-shaped net rib, 302, a steel net surface, 4, vertical reinforcing steel bars, 5, transverse additional steel bars and 6, transverse stress steel bars.
Detailed Description
As shown in fig. 1 and 2, the present invention is a concrete structure expansion reinforcing band structure, including concrete bases 1 located at two sides, and an expansion reinforcing band 2 sandwiched between the concrete bases 1 at two sides, wherein transverse stressed steel bars 6 are arranged in the concrete bases 1 and the expansion reinforcing band 2, and a fast and easy closing net 3 is arranged on a joint surface between the concrete bases 1 and the expansion reinforcing band 2.
Vertical reinforcing steel bars 4 are arranged on the cross section of the expansion reinforcing belt 2 connected with the concrete matrix 1 on the two sides of the expansion reinforcing belt at intervals of 150mm, and the vertical reinforcing steel bars 4 are connected to the transverse stressed steel bars 6. The vertical reinforcing steel bars 4 are connected with the transverse stressed steel bars 6 in a binding or welding mode. And transverse additional reinforcing steel bars 5 are arranged at the upper layer and the lower layer of the expansion reinforcing belt 2, and two ends of each transverse additional reinforcing steel bar 5 extend out of the expansion reinforcing belt by 1.0m +/-0.2 m.
As shown in fig. 3, the fast and easy healing net 3 includes a plurality of V-shaped net ribs 301 arranged in parallel and a steel net surface 302 connected to the V-shaped net ribs 301. The steel mesh surface 302 may be curved in an arc along the parallel direction of the V-shape. The steel mesh surface 302 is provided with regular punched holes, and the punched holes are provided with raised tooth plates for enhancing the bonding strength between the steel mesh surface and the material.
The invention relates to an expansion reinforcing belt structure of a concrete structure, which is used for reducing the shrinkage stress of an overlong concrete structure and controlling the crack of the overlong concrete structure; the concrete reinforcing structure comprises a concrete matrix 1, an expansion reinforcing belt 2, a fast and easy closing net 3, vertical reinforcing steel bars 4, transverse additional steel bars 5 and transverse stress steel bars 6; wherein the expansion reinforcing band 2 is arranged in the concrete matrix 1, and the fast and easy closing net 3 is arranged on the joint surface between the two. The width of the expansion reinforcing belt 2 is 2m +/-0.2 m.
As shown in fig. 3, the fast and easy healing net 3 includes two parts of a V-shaped net rib 301 and a steel net surface 302, the V-shaped net rib 301 arranged in parallel is a main source of strength, and the steel net surface 302 can be curved in an arc shape along the parallel direction of the V-shaped net rib 301. The steel mesh surface 302 has regular punched holes, and the tooth plates with protrusions on the punched holes have the function of reinforcing the combination between the steel mesh and the material.
The cross section of the expansion reinforcing belt 2 connected with the concrete matrixes 1 at two sides is also provided with 12mm vertical reinforcing steel bars 4 at intervals of 150mm, and the vertical reinforcing steel bars are bound or welded and fixed on the transverse stressed steel bars 6.
Transverse additional reinforcing steel bars 5 are arranged on the upper layer and the lower layer in the range of the expansion reinforcing belt, the additional amount is 10% -15% of that of the transverse stressed reinforcing steel bars 6, and the two ends of each transverse stressed reinforcing steel bar extend out of the expansion reinforcing belt by 1.0m +/-0.2 m.
The fast and easy closing net 3 in the expansion reinforcing belt 2 is firmly bound or welded with the transverse additional reinforcing steel bars 5 or the transverse stressed reinforcing steel bars 6 and the vertical reinforcing steel bars 4.
In order to ensure the technical effect of the expansion reinforcing band 2, the mixing amount of the expanding agent at the part of the expansion reinforcing band 2 is 2 percent higher than that of the expanding agent at the other parts; the concrete strength of the expansion reinforcing band 2 is higher than that of the external band by one grade.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. The concrete structure expansion reinforcing band structure comprises concrete bases (1) located on two sides and an expansion reinforcing band (2) clamped between the concrete bases (1) on the two sides, wherein transverse stress steel bars (6) are arranged in the concrete bases (1) and the expansion reinforcing band (2), and the concrete structure expansion reinforcing band structure is characterized in that a quick and easy closing net (3) is arranged on a joint surface between the concrete bases (1) and the expansion reinforcing band (2).
2. The structure of the concrete structure expansion reinforcing band according to claim 1, characterized in that the cross section of the expansion reinforcing band (2) connected with the concrete matrix (1) at both sides thereof is provided with vertical reinforcing steel bars (4) every 150mm, and the vertical reinforcing steel bars (4) are connected with the transverse force-bearing steel bars (6).
3. The structure of the concrete structural expansion reinforcing band as claimed in claim 2, wherein the vertical reinforcing steel bars (4) and the transverse stressed steel bars (6) are connected by binding or welding.
4. The structure of an expansive reinforcing band for a concrete structure according to claim 1, wherein transverse additional reinforcing bars (5) are arranged at the upper and lower layers of the expansive reinforcing band (2), and both ends of the transverse additional reinforcing bars (5) are protruded by 1.0m + 0.2m from the expansive reinforcing band.
5. The structure of the concrete structure expansion reinforcing band as claimed in any one of claims 1-4, wherein the fast and easy closing net (3) comprises a plurality of V-shaped net ribs (301) arranged in parallel and a steel net surface (302) connected to the V-shaped net ribs (301).
6. The structure of the concrete structural expansion reinforcing band as claimed in claim 5, wherein the steel mesh surface (302) is curved in an arc shape along a V-shaped parallel direction.
7. The structure of the concrete structure expansion reinforcing band as claimed in claim 6, wherein the steel mesh surface (302) has a regular punched hole, and the punched hole has a raised tooth plate for enhancing the bonding strength between the steel mesh surface and the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318573.XU CN211850069U (en) | 2019-12-20 | 2019-12-20 | Concrete structure inflation strengthening band structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922318573.XU CN211850069U (en) | 2019-12-20 | 2019-12-20 | Concrete structure inflation strengthening band structure |
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| CN211850069U true CN211850069U (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482303A (en) * | 2022-01-26 | 2022-05-13 | 中国一冶集团有限公司 | Continuous expansion reinforcing belt and construction method and application thereof |
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2019
- 2019-12-20 CN CN201922318573.XU patent/CN211850069U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482303A (en) * | 2022-01-26 | 2022-05-13 | 中国一冶集团有限公司 | Continuous expansion reinforcing belt and construction method and application thereof |
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