CN218028463U - PVA-ECC prefabricated component coincide roof beam integrated configuration - Google Patents
PVA-ECC prefabricated component coincide roof beam integrated configuration Download PDFInfo
- Publication number
- CN218028463U CN218028463U CN202221863211.4U CN202221863211U CN218028463U CN 218028463 U CN218028463 U CN 218028463U CN 202221863211 U CN202221863211 U CN 202221863211U CN 218028463 U CN218028463 U CN 218028463U
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- China
- Prior art keywords
- pva
- ecc
- prefabricated component
- shaped prefabricated
- trough
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- Expired - Fee Related
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- 239000004567 concrete Substances 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract description 11
- 239000002131 composite material Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 238000009415 formwork Methods 0.000 abstract description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 239000004568 cement Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000011178 precast concrete Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Rod-Shaped Construction Members (AREA)
Abstract
A PVA-ECC prefabricated part superposed beam composite structure comprises a PVA-ECC prefabricated formwork and post-cast concrete, wherein the PVA-ECC in the composite structure is a high-toughness fiber reinforced cement-based composite material. The prefabricated part consists of a PVA-ECC prefabricated formwork and a welded reinforcing mesh, the lower end of the stirrup is embedded in a bottom plate of the groove-shaped prefabricated part in advance, the bottom plate prefabricated reinforcing steel bar is welded on the stirrup in the bottom plate, and the upper end of the stirrup is arranged outside the groove-shaped prefabricated part. The PVA-ECC groove-shaped prefabricated component is provided with longitudinal stress steel bars, so that the PVA-ECC groove-shaped prefabricated component has strong bending resistance and bearing capacity, is not easy to break and is convenient to hoist and transport; concrete is poured into the grooves of the PVA-ECC groove-shaped prefabricated component to be superposed into the assembled superposed beam, so that the bearing capacity and the anti-seismic performance of the whole structure are improved, and the construction period can be greatly shortened as most of the superposed beam is prefabricated in advance.
Description
Technical Field
The utility model relates to a building structure field, in particular to PVA-ECC prefabricated component superposed beam integrated configuration.
Background
With the further improvement of the environmental requirements of the building engineering in China, most building enterprises begin to adopt an integrally assembled modular mode for construction, and generally, modules are prefabricated in corresponding factories, such as precast beams, precast columns and the like, and are transported to construction sites, and are hoisted by construction technicians. The existing composite beam is generally formed by adding stirrups to rectangular reinforced concrete prefabricated parts and then pouring concrete. But the thin prefabricated component has poor bearing capacity, is easy to break, has poor anti-seismic performance, and the thick prefabricated component has great self weight, inconvenient hoisting construction, inconvenient transportation and the like.
Disclosure of Invention
The utility model aims at providing a PVA-ECC prefabricated component composite beam integrated configuration for assembly that dead weight is light, bending resistance bearing capacity is strong, anti-seismic performance is good, difficult rupture, hoist and mount, transportation are convenient.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the prefabricated member comprises a PVA-ECC groove-shaped prefabricated member and a beam fixed at the upper end of the PVA-ECC groove-shaped prefabricated member, stirrups with the upper ends arranged outside the PVA-ECC groove-shaped prefabricated member are pre-embedded in a base plate of the PVA-ECC groove-shaped prefabricated member, base plate preset reinforcing steel bars which are arranged in the base plate of the PVA-ECC groove-shaped prefabricated member and are welded with the stirrups along the length direction of the PVA-ECC groove-shaped prefabricated member, reinforcing steel bars which are arranged in the middle parts of two sides of the PVA-ECC groove-shaped prefabricated member and are welded with the stirrups along the length direction of the PVA-ECC groove-shaped prefabricated member, longitudinal reinforcing steel bars are pre-embedded in the beam, the longitudinal reinforcing steel bars are connected with the stirrups extending out of the PVA-ECC groove-shaped prefabricated member, and concrete is poured in a groove of the PVA-ECC groove-shaped prefabricated member and is overlapped with the beam into a whole.
The radial section of the PVA-ECC groove-shaped prefabricated part is of a concave structure.
Because the PVA-ECC groove-shaped prefabricated component has a thin bottom plate, light dead weight and longitudinal ribs, the bending moment bearing capacity is strong, the buckling is not easy, the hoisting and the transportation are also convenient, when the prefabricated component is overlapped, the longitudinal steel bar is connected at the inner upper end of the stirrup, and then the concrete is poured in the groove of the PVA-ECC groove-shaped prefabricated formwork, so that the prefabricated component can be overlapped into a beam.
Drawings
FIG. 1 is a schematic structural view of a PVA-ECC trough-shaped prefabricated part of the present invention;
FIG. 2 is another schematic view of the PVA-ECC channel-shaped prefabricated part of the present invention;
fig. 3 is a schematic structural view of the PVA-ECC and concrete cast in the groove of the precast concrete member for the composite beam of fig. 1.
Fig. 4 is a schematic structural view of the PVA-ECC and concrete cast in the groove of the precast concrete member for the composite beam of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the utility model discloses a PVA-ECC channel-shaped prefabricated component 4 and beam 7 fixed on PVA-ECC channel-shaped prefabricated component 4 upper end, stirrup 3 (see fig. 1, stirrup 3 is an integral structure, see fig. 2, the partial end that stirrup 3 extends outside PVA-ECC channel-shaped prefabricated component 4 is a hook structure) is pre-buried in PVA-ECC channel-shaped prefabricated component 4 bottom plate, bottom plate pre-set reinforcing steel bar 1 that is arranged in PVA-ECC channel-shaped prefabricated component 4 bottom plate and is welded with stirrup 3 along PVA-ECC channel-shaped prefabricated component 4 length direction, reinforcing steel bar 5 that is arranged in PVA-ECC channel-shaped prefabricated component 4 both sides middle part and is welded with stirrup 3 along PVA-ECC channel-shaped prefabricated component 4 length direction, see fig. 3 and 4, longitudinal reinforcing steel bar 6 is arranged in beam 7, longitudinal reinforcing steel bar 6 is connected with stirrup 3 that extends outside PVA-ECC channel-shaped prefabricated component 4 (see fig. 3, longitudinal reinforcing steel bar 6 passes stirrup 3 of fig. 1, see fig. 4, longitudinal reinforcing steel bar 6 passes through PVA-ECC channel-shaped prefabricated component 2), and beam 7 is a cast in prefabricated component of integrated with prefabricated component.
Claims (2)
1. The utility model provides a PVA-ECC prefabricated component coincide roof beam integrated configuration which characterized in that: the concrete beam comprises a PVA-ECC trough-shaped prefabricated component (4) and a beam (7) fixed at the upper end of the PVA-ECC trough-shaped prefabricated component (4), stirrups (3) with the upper ends arranged outside the PVA-ECC trough-shaped prefabricated component (4) are pre-embedded in a bottom plate of the PVA-ECC trough-shaped prefabricated component (4), bottom plate pre-arranged reinforcements (1) which are arranged in the bottom plate of the PVA-ECC trough-shaped prefabricated component (4) and are welded with the stirrups (3) along the length direction of the PVA-ECC trough-shaped prefabricated component (4), reinforcements (5) which are arranged in the middle parts of two sides of the PVA-ECC trough-shaped prefabricated component (4) and are welded with the stirrups (3) along the length direction of the PVA-ECC trough-shaped prefabricated component (4), longitudinal reinforcements (6) are pre-embedded in the beam (7), the longitudinal reinforcements (6) are connected with the stirrups (3) extending out of the PVA-ECC trough-shaped prefabricated component (4), and concrete is poured in a trough (2) of the PVA-ECC trough-shaped prefabricated component (4) and is integrally overlapped with the beam (7).
2. The PVA-ECC precast member superposed beam combined structure according to claim 1, characterized in that: the radial section of the PVA-ECC groove-shaped prefabricated part (4) is of a concave structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221863211.4U CN218028463U (en) | 2022-07-19 | 2022-07-19 | PVA-ECC prefabricated component coincide roof beam integrated configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221863211.4U CN218028463U (en) | 2022-07-19 | 2022-07-19 | PVA-ECC prefabricated component coincide roof beam integrated configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218028463U true CN218028463U (en) | 2022-12-13 |
Family
ID=84383579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221863211.4U Expired - Fee Related CN218028463U (en) | 2022-07-19 | 2022-07-19 | PVA-ECC prefabricated component coincide roof beam integrated configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218028463U (en) |
-
2022
- 2022-07-19 CN CN202221863211.4U patent/CN218028463U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221213 |