CN109208472A - A kind of prefabricated hinge seam construction of assembly hollow slab bridges - Google Patents
A kind of prefabricated hinge seam construction of assembly hollow slab bridges Download PDFInfo
- Publication number
- CN109208472A CN109208472A CN201710554405.3A CN201710554405A CN109208472A CN 109208472 A CN109208472 A CN 109208472A CN 201710554405 A CN201710554405 A CN 201710554405A CN 109208472 A CN109208472 A CN 109208472A
- Authority
- CN
- China
- Prior art keywords
- hinge seam
- prefabricated
- oblique
- hole
- precast concrete
- Prior art date
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical fields of bridge construction, are a kind of prefabricated hinge seam constructions of assembly hollow slab bridges, and precast concrete hinge seam is previously provided with transverse holes and oblique hole by certain spacing；Prefabricated chunk at a certain distance in advance embedding transverse steel be equipped with reserved inclined hole.The transverse holes alignment prefabricated chunk that the precast concrete hinge seam is previously provided with transverse steel accurate match embedding in advance, reserved inclined hole and oblique hole also accurate match, oblique reinforcing bar is inserted into reserved inclined hole and oblique hole again, penetration concrete mortar is closed again, and precast concrete hinge seam is connected as entirety with prefabricated chunk.
Description
Technical field
The invention belongs to the technical fields of bridge construction, stitch structure more particularly, to a kind of prefabricated hinge of assembly hollow slab bridges
It makes.
Background technique
Since assembly hollow slab bridges have simple structure, standardized production, transport installation and many spies such as easy for construction
It puts and is widely adopted, be one of common bridge type of China's Short/Medium Span Bridge.Pass through hinge seam construction Transfer of Shear between plate
It realizes load transverse distribution, so that the assembly hollow slab bridges is carried out shared external load as a whole.Existing assembly
Formula hollow slab bridge starts binding connection reinforcing bar and casting concrete, due to plate after the lifting in place of multi-disc plate at hinge seam
Concrete and hinge seam concrete are equivalent to new-old concrete, and shrinkage and creep is inconsistent, is necessarily easy to cause hinge seam concrete and plate
Block side wall is detached from, and becomes penetrating passage.The water seeped will lead to steel bar corrosion, accelerate moving back for assembled slab bridge bearing capacity
Change.Will appear such as beam slab bottom surface longitudinal cracking, hinge seam concrete parts fall off typical disease, cause assembly hollow slab bridges horizontal
To connecting performance degradation.The damage of hinge seam can reduce the globality of assembly hollow slab bridges, cause assembly hollow slab bridges
The variation of load transverse distribution, the load for bearing segment plate increased dramatically, or even will appear single slab bearing phenomenon, serious shadow
Ring the security performance of bridge structure.For the defect for improving tradition hinge seam, it is therefore desirable to it is prefabricated to invent a kind of assembly hollow slab bridges
Hinge seam construction, guarantees the stress and safety of assembly hollow slab bridges, and has design simple, and construction is simple is quick, industrializes journey
Spend the advantages that high.
Summary of the invention
For the defect for improving tradition hinge seam, the present invention proposes that a kind of bonding strength is high, the effective assembled of easy construction is empty
The prefabricated hinge seam construction of core bridge.
To achieve the goals above, technical scheme is as follows:
A kind of prefabricated hinge seam construction of assembly hollow slab bridges, precast concrete hinge seam 1 are previously provided with cross by certain spacing
To hole 2 and oblique hole 3；Prefabricated chunk 4 at a certain distance in advance embedding transverse steel 5 be equipped with reserved inclined hole 6.
The transverse holes 2 that the precast concrete hinge seam 1 is previously provided with are directed at the transverse steel embedding in advance of prefabricated chunk 4
5 accurate match reserve inclined hole 6 and oblique hole 3 also accurate match, then oblique reinforcing bar 7 are inserted into reserved inclined hole 6 and oblique hole 3, then
Precast concrete hinge seam 1 is connected as entirety with prefabricated chunk 4 by the closing of penetration concrete mortar.
The precast concrete hinge seam 1 is previously provided with the spacing and the preparatory embedding transverse steel of prefabricated chunk 4 of transverse holes 2
5 spacing is equal, so that precast concrete hinge seam 1 and prefabricated chunk 4 are mutually matched.
The precast concrete hinge seam 1 is previously provided with the spacing of oblique hole 3 and prefabricated chunk 4 is equipped with reserved inclined hole 6
Spacing is equal, so that oblique reinforcing bar 7 is inserted into precast concrete hinge seam 1 and prefabricated chunk 4.
The aperture of the reserved inclined hole 6 of the pore size and prefabricated chunk 4 of the oblique hole 3 of the precast concrete hinge seam 1
In the same size, the diameter of oblique reinforcing bar 7 is slightly less than the pore size of oblique hole 3 Yu reserved inclined hole 6.
In conclusion each section component of the present invention is prefabricated in the factory, it is not necessarily to poured in place concrete, is hung at the construction field (site)
Precast concrete hinge seam 1 is filled with after 4 accurate match of prefabricated chunk, interts 7 after-pouring concrete mortar of oblique reinforcing bar, the hinge
Seam construction has many advantages, such as that construction is convenient, replaceable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the plan view of precast concrete hinge seam of the present invention；
Fig. 3 is three different cross-sectional views of precast concrete hinge seam of the present invention；
Fig. 4 is the plan view of prefabricated chunk of the present invention；
Fig. 5 is the cross-sectional view of prefabricated chunk of the present invention.
Specific embodiment
The present invention is described further below in conjunction with attached drawing:
In figure: 1- precast concrete hinge seam, 2- transverse holes, 3- oblique hole, 4- prefabricated chunk, 5- transverse steel, 6- are reserved
Inclined hole, 7- oblique reinforcing bar.
Embodiment: a kind of prefabricated hinge seam construction of assembly hollow slab bridges as shown in the figure, precast concrete hinge seam 1 is pressed certain
Spacing is previously provided with transverse holes 2 and oblique hole 3；Prefabricated chunk 4 at a certain distance in advance embedding transverse steel 5 be equipped with it is reserved oblique
Hole 6.It is quasi- that the transverse holes 2 that the precast concrete hinge seam 1 is previously provided with are directed at the transverse steel 5 embedding in advance of prefabricated chunk 4
Really matching reserves inclined hole 6 and oblique hole 3 also accurate match, then oblique reinforcing bar 7 is inserted into reserved inclined hole 6 and oblique hole 3, then fill
Enter concrete mortar closing, precast concrete hinge seam 1 is connected as entirety with prefabricated chunk 4.
Implementation steps:
(1) prefabrication concrete hinge seam and prefabricated chunk；
(2) on-site hoisting precast concrete hinge seam is in place with prefabricated chunk；
(3) the transverse holes alignment prefabricated chunk that adjustment precast concrete hinge seam is previously provided with transverse steel embedding in advance is quasi-
Really matching；
(4) intert oblique reinforcing bar after-pouring concrete mortar, precast concrete hinge seam is connected as entirety with prefabricated chunk.
Claims (2)
1. a kind of prefabricated hinge seam construction of assembly hollow slab bridges, which is characterized in that precast concrete hinge seam (1) presses certain spacing
It is previously provided with transverse holes (2) and oblique hole (3)；Prefabricated chunk (4) at a certain distance in advance embedding transverse steel (5) be equipped with it is pre-
Stay inclined hole (6).
2. the prefabricated hinge seam construction of a kind of assembly hollow slab bridges according to claim 1, which is characterized in that oblique reinforcing bar
(7) reserved inclined hole (6) and oblique hole (3) are inserted into, then penetration concrete mortar is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554405.3A CN109208472A (en) | 2017-06-30 | 2017-06-30 | A kind of prefabricated hinge seam construction of assembly hollow slab bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554405.3A CN109208472A (en) | 2017-06-30 | 2017-06-30 | A kind of prefabricated hinge seam construction of assembly hollow slab bridges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109208472A true CN109208472A (en) | 2019-01-15 |
Family
ID=64991224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710554405.3A Pending CN109208472A (en) | 2017-06-30 | 2017-06-30 | A kind of prefabricated hinge seam construction of assembly hollow slab bridges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109208472A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500117A (en) * | 2019-09-24 | 2019-11-26 | 南京康泰建筑灌浆科技有限公司 | The antiseepage method for blocking of shield duct piece injected hole |
| CN113235385A (en) * | 2021-03-27 | 2021-08-10 | 天津市泽琪水泥构件有限公司 | Assembled hollow slab beam |
-
2017
- 2017-06-30 CN CN201710554405.3A patent/CN109208472A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500117A (en) * | 2019-09-24 | 2019-11-26 | 南京康泰建筑灌浆科技有限公司 | The antiseepage method for blocking of shield duct piece injected hole |
| CN113235385A (en) * | 2021-03-27 | 2021-08-10 | 天津市泽琪水泥构件有限公司 | Assembled hollow slab beam |
| CN113235385B (en) * | 2021-03-27 | 2022-02-18 | 天津市泽琪水泥构件有限公司 | Assembled hollow slab beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190115 |