CN108342981A - A kind of ultra-thin prefabricated board seam connection structure and construction method - Google Patents
A kind of ultra-thin prefabricated board seam connection structure and construction method Download PDFInfo
- Publication number
- CN108342981A CN108342981A CN201810403447.1A CN201810403447A CN108342981A CN 108342981 A CN108342981 A CN 108342981A CN 201810403447 A CN201810403447 A CN 201810403447A CN 108342981 A CN108342981 A CN 108342981A
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- Prior art keywords
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- prefabricated board
- thin prefabricated
- reinforcing bar
- thin
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Classifications
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- 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a kind of ultra-thin prefabricated board seam connection structure and construction methods, connection structure includes no less than two pieces of ultra-thin prefabricated board, cast-in-site stripe is equipped between two adjacent ultra-thin prefabricated boards, in cast-in-site stripe, the opposite side surface of two adjacent ultra-thin prefabricated boards extends outward multigroup spaced horizontal annular overlap joint reinforcing bar, it includes mutual overlapped first level steel hoop and the second horizontal annular reinforcing bar that each group horizontal annular, which overlaps reinforcing bar, and the width of first level steel hoop is more than the width of the second horizontal annular reinforcing bar.Construction method includes 1）Template is installed；2）Reinforcement installation；3）Casting concrete and maintenance；4）On-site hoisting；5）Cast-in-site stripe bed die and assembling reinforcement are installed；6）Pour the cast-in-site stripe between ultra-thin prefabricated board.The structure can make the breaking resistance of ultra-thin prefabricated board seam meet design requirement, and reasonable stress provides the construction method of ultra-thin prefabricated board seam connection structure, have larger practical value and preferable economic benefit.
Description
Technical field
The present invention relates to technical field of civil engineering, especially a kind of ultra-thin prefabricated board seam connection structure and construction party
Method.
Background technology
In recent years, some bridges and room layer structure use ultra-thin prefabricated bridge to replace the bridge floor of previous cast in situs
Plate, ultra-thin prefabricated board can not only meet original requirement of strength design, and can also mitigate dead load significantly, and ultra-thin pre-
Floorings processed do not need template, and the construction time is short, can meet mountain area, sea, crowded cities bridge quickly build.
Ultra-thin prefabricated board is since its plate thickness is smaller, unlike normal strength concrete slab has the thickness of 15cm or more, thickness one
As in 100mm hereinafter, arrangement of reinforcement often be single layer.This results in carry out using vertical steel hoop as normal strength concrete slab
The connection of cast-in-place seam between prefabricated board further reduces the size of plate seam along with itself board interface size is smaller.
Contiguous prefabricated plate is stretched into reinforcing bar in cast-in-place seam and often may require that very long lapped length of steel bar as bound using straight muscle；If
It is to be welded to connect, the workload in building site can be increased, quality is not easy to ensure.It is main to transmit for the plate seam acted on by curved drawing
Be pulling force, unfavorable joint connecting structure easily makes seam crack, thus ultra-thin prefabricated board seam connection construction arrange
It is the difficult point designed to apply, and how to solve existing engineering problem, improving the bonding strength of ultra-thin prefabricated board seam is
The emphasis of research.
Invention content
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of ultra-thin prefabricated board seam connection structure and
Construction method, the structure can make the breaking resistance of ultra-thin prefabricated board seam meet design requirement, and stress is more reasonable.
To achieve the above object, the present invention uses following technical scheme：
A kind of ultra-thin prefabricated board seam connection structure, including it is no less than two pieces of ultra-thin prefabricated board, two adjacent ultra-thin prefabricated boards
Between be equipped with cast-in-site stripe, in cast-in-site stripe, the opposite side surface of two adjacent ultra-thin prefabricated boards extends outward multigroup interval and is arranged
Horizontal annular overlap reinforcing bar, it includes mutual overlapped first level steel hoop and the second water that each group horizontal annular, which overlaps reinforcing bar,
Flat steel hoop, and the width of first level steel hoop is more than the width of the second horizontal annular reinforcing bar.
Further, multiple first level steel hoops and the second level are alternatingly arranged in the same ultra-thin prefabricated board
Steel hoop.
Further, the width of the first level steel hoop and the second horizontal annular reinforcing bar at least differs 1 times of steel
Muscle diameter.
Further, the first level steel hoop after stretching out ultra-thin prefabricated board side surface certain distance to upper inclination
Certain angle avoids first annular reinforcing bar from mutually being collided with the second steel hoop.
Further, the ultra-thin prefabricated board of the reinforcing bar Yu adjacent block of the first level steel hoop width direction stretch out the
Second ring horizontal reinforcement infall is close to, and by binding or being welded together.
Further, the thickness of the ultra-thin prefabricated board is no more than 150mm.
Further, the ultra-thin prefabricated board can combine to form group with lower part steel construction by shear connector or binder
Plywood.
Further, the ultra-thin prefabricated board can be by normal concrete or fiber concrete or high performance concrete or superelevation
Performance concrete pours.
Further, cast-in-place concrete can be by dilatancy concrete, fiber concrete, common coagulation in the cast-in-site stripe
Soil, high performance concrete or ultra-high performance concrete pour.
A kind of construction method of ultra-thin prefabricated board seam connection structure of the present invention includes the following steps：
1）Template is installed：Bed die to casting concrete and all cheek boards are installed, first level ring is reserved on all cheek boards
The hole that shape reinforcing bar and the second horizontal annular reinforcing bar pass through；
2）Reinforcement installation：It is different by first level steel hoop and the second horizontal annular steel bar arrangement position, carry out vertically and horizontally steel
The binding and positioning of muscle；
3）Casting concrete and maintenance：It casting concrete and is conserved in template, ultra-thin prefabricated board is at least stored three months or more；
4）On-site hoisting：Ultra-thin prefabricated board is transported to by institute's installation site using the method for lifting or pushing tow, when contiguous prefabricated plate
The first level steel hoop of stretching and the second horizontal annular reinforcing bar are when erection stage influences to install, by first level annular steel
Muscle or the second horizontal annular reinforcing bar are bent up upwards in advance, after in place, then return to original position；
5）Cast-in-site stripe bed die and assembling reinforcement are installed：Cast-in-site stripe bed die is installed, the reinforcing bar being distributed along cast-in-site stripe length direction is laid,
And the infall of the first level steel hoop and the second horizontal reinforcement stretched out with ultra-thin prefabricated board passes through the company that binds or weld
The mode of connecing is attached；
6）Pour the cast-in-site stripe between ultra-thin prefabricated board：The cast-in-site stripe between two adjacent ultra-thin prefabricated boards is poured successively and is supported
Shield, ultra-thin prefabricated board strength standard value at least 70% or more to be achieved can form removal, then carry out natural curing.
Compared with prior art, the invention has the advantages that：Ultra-thin prefabricated board seam connection of the present invention
Reasonable stress is constructed, breaking resistance is high, excellent in mechanical performance, can effectively solve the problems, such as that ultra-thin prefabricated board joint strength is insufficient,
Also the disease problem that can avoid other seaming zones has great practical value and good economic benefit in practice in engineering.
Description of the drawings
The present invention is described in further details below in conjunction with the drawings and specific embodiments：
Fig. 1 is that the embodiment of the present invention 1 constructs schematic top plan view；
Fig. 2 is 1 cross-sectional view of the embodiment of the present invention；
Fig. 3 is that the embodiment of the present invention 2 constructs schematic top plan view；
Fig. 4 is 3 cross-sectional view of the embodiment of the present invention.
Specific implementation mode
Embodiment 1, as shown in Figure 1 or 2, a kind of ultra-thin prefabricated board seam connection structure of the present invention, including no less than
Two pieces of ultra-thin prefabricated board 1 is equipped with cast-in-site stripe 4 between two adjacent ultra-thin prefabricated boards 1, and in cast-in-site stripe 4, two is adjacent ultra-thin prefabricated
The opposite side surface of plate 1 extends outward multigroup spaced horizontal annular overlap joint reinforcing bar, and each group horizontal annular overlaps reinforcing bar
Including mutually overlapped first level steel hoop 3 and the second horizontal annular reinforcing bar 2, and the width of first level steel hoop 3
More than the width of the second horizontal annular reinforcing bar 2.
In the present embodiment 1, multiple first level steel hoops 3 and are alternatingly arranged in the same ultra-thin prefabricated board 1
Two horizontal annular reinforcing bars 2.
In the present embodiment 1, the width of first level steel hoop 3 and the second horizontal annular reinforcing bar 2 at least differs 1 times of steel
Muscle diameter.
In the present embodiment 1, first level steel hoop 3 is after stretching out ultra-thin 1 side surface certain distance of prefabricated board to updip
Oblique certain angle avoids first level steel hoop 3 and the second mutually collision of horizontal annular reinforcing bar 2.
In the present embodiment 1, reinforcing bar and the ultra-thin stretching of prefabricated board 1 of adjacent block of 3 width direction of first level steel hoop
Second annular horizontal reinforcing bar infall is close to, and by binding or being welded together.
In the present embodiment 1, the thickness of ultra-thin prefabricated board 1 is no more than 150mm.
In the present embodiment 1, ultra-thin prefabricated board 1 can combine to form group with lower part steel construction by shear connector or binder
Plywood.
In the present embodiment 1, ultra-thin prefabricated board 1 can be by normal concrete or fiber concrete or high performance concrete or superelevation
Performance concrete pours.
In the present embodiment 1, cast-in-place concrete can be by dilatancy concrete, fiber concrete, common coagulation in cast-in-site stripe 4
Soil, high performance concrete or ultra-high performance concrete pour.
A kind of construction method of ultra-thin prefabricated board seam connection structure of the present invention includes the following steps：
1）Template is installed：Bed die to casting concrete and all cheek boards are installed, first level ring is reserved on all cheek boards
The hole that shape reinforcing bar 3 and the second horizontal annular reinforcing bar 2 pass through；
2）Reinforcement installation：It is different with 2 position of the second horizontal annular reinforcing bar by first level steel hoop 3, it carries out vertically and horizontally
The binding and positioning of reinforcing bar；
3）Casting concrete and maintenance：Casting concrete and conserved in template, ultra-thin prefabricated board 1 at least store three months with
On；
4）On-site hoisting：Ultra-thin prefabricated board 1 is transported to by institute's installation site using the method for lifting or pushing tow, when contiguous prefabricated plate
The first level steel hoop 3 of stretching and the second horizontal annular reinforcing bar 2 are when erection stage influences to install, by first level annular
Reinforcing bar 3 or the second horizontal annular reinforcing bar 2 are bent up upwards in advance, after in place, then return to original position；
5）4 bed die of cast-in-site stripe and assembling reinforcement are installed：4 bed die of cast-in-site stripe is installed, the steel being distributed along 4 length direction of cast-in-site stripe is laid
Muscle, and the infall of the first level steel hoop 3 and the second horizontal reinforcement stretched out with ultra-thin prefabricated board 1 is by binding or welding
Connection type be attached；
6）Pour the cast-in-site stripe 4 between ultra-thin prefabricated board 1：The cast-in-site stripe 4 between two adjacent ultra-thin prefabricated boards 1 is poured successively and is carried out
Maintenance, 1 strength standard value of ultra-thin prefabricated board at least 70% or more to be achieved can form removal, then carry out natural curing.
Embodiment 2：As shown in figure 3, the difference of embodiment 2 and embodiment 1 first level steel hoop 3 in the present embodiment
It is formed by one whole reinforcing bar coiling with the second horizontal reinforcement, reinforcing bar integral strength is more preferable, but the making of such steel hoop is slightly aobvious
It is complicated.
Embodiment 3：As shown in figure 4, difference lies in the first water at cast-in-site stripe 4 for embodiment 3 and embodiment 1 and embodiment 2
Flat steel hoop 3 can also tilt down certain angle.
The advantage of the invention is that：It is easy for construction, 1 seam connection structure reasonable stress of ultra-thin prefabricated board, breaking resistance
Height, excellent in mechanical performance can effectively solve the problems, such as that 1 joint strength of ultra-thin prefabricated board is insufficient, also can avoid other seaming zones
Disease problem has great practical value and good economic benefit in practice in engineering.
The present invention is not limited to above-mentioned preferred forms, anyone can obtain other under the inspiration of the present invention
A kind of various forms of ultra-thin prefabricated board seam connection structures and construction method.It is all to be done according to scope of the present invention patent
Equivalent changes and modifications should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of ultra-thin prefabricated board seam connection structure, including it is no less than two pieces of ultra-thin prefabricated board, two is adjacent ultra-thin prefabricated
Cast-in-site stripe is equipped between plate, it is characterised in that：In cast-in-site stripe, the opposite side surface of two adjacent ultra-thin prefabricated boards extends outward
Multigroup spaced horizontal annular overlaps reinforcing bar, and each group horizontal annular overlaps reinforcing bar, and including mutually overlapped, first level is annular
Reinforcing bar and the second horizontal annular reinforcing bar, and the width of first level steel hoop is more than the width of the second horizontal annular reinforcing bar.
2. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：Same ultra-thin
Multiple first level steel hoops and the second horizontal annular reinforcing bar are alternatingly arranged in prefabricated board.
3. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：The first level
The width of steel hoop and the second horizontal annular reinforcing bar at least differs 1 times of bar diameter.
4. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：The first level
Steel hoop is after stretching out ultra-thin prefabricated board side surface certain distance to being above tilted a certain angle.
5. a kind of ultra-thin prefabricated board seam connection structure according to claim 4, it is characterised in that：The first level
The reinforcing bar of steel hoop width direction is close to the second annular horizontal reinforcing bar infall that the ultra-thin prefabricated board of adjacent block stretches out, and leads to
It crosses and binds or be welded together.
6. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：It is described ultra-thin prefabricated
The thickness of plate is no more than 150mm.
7. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：It is described ultra-thin prefabricated
Plate combines to form compoboard with lower part steel construction by shear connector or binder.
8. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：It is described ultra-thin prefabricated
Plate is poured by normal concrete or fiber concrete or high performance concrete or ultra-high performance concrete.
9. a kind of ultra-thin prefabricated board seam connection structure according to claim 1, it is characterised in that：In the cast-in-site stripe
Cast-in-place concrete is poured by dilatancy concrete, fiber concrete, normal concrete, high performance concrete or ultra-high performance concrete
It builds.
10. a kind of construction method of ultra-thin prefabricated board seam connection structure according to claim 2, it is characterised in that：Institute
Construction method is stated to include the following steps：
1）Template is installed：Bed die to casting concrete and all cheek boards are installed, first level ring is reserved on all cheek boards
The hole that shape reinforcing bar and the second horizontal annular reinforcing bar pass through；
2）Reinforcement installation：It is different by first level steel hoop and the second horizontal annular steel bar arrangement position, carry out vertically and horizontally steel
The binding and positioning of muscle；
3）Casting concrete and maintenance：It casting concrete and is conserved in template, ultra-thin prefabricated board is at least stored three months or more；
4）On-site hoisting：Ultra-thin prefabricated board is transported to by institute's installation site using the method for lifting or pushing tow, when contiguous prefabricated plate
The first level steel hoop of stretching and the second horizontal annular reinforcing bar are when erection stage influences to install, by first level annular steel
Muscle or the second horizontal annular reinforcing bar are bent up upwards in advance, after in place, then return to original position；
5）Cast-in-site stripe bed die and assembling reinforcement are installed：Cast-in-site stripe bed die is installed, the reinforcing bar being distributed along cast-in-site stripe length direction is laid,
And the infall of the first level steel hoop and the second horizontal reinforcement stretched out with ultra-thin prefabricated board passes through the company that binds or weld
The mode of connecing is attached；
6）Pour the cast-in-site stripe between ultra-thin prefabricated board：The cast-in-site stripe between two adjacent ultra-thin prefabricated boards is poured successively and is supported
Shield, ultra-thin prefabricated board strength standard value at least 70% or more to be achieved can form removal, then carry out natural curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403447.1A CN108342981B (en) | 2018-04-28 | 2018-04-28 | Joint connection structure between ultrathin precast slabs and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403447.1A CN108342981B (en) | 2018-04-28 | 2018-04-28 | Joint connection structure between ultrathin precast slabs and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108342981A true CN108342981A (en) | 2018-07-31 |
| CN108342981B CN108342981B (en) | 2023-06-16 |
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| CN201810403447.1A Active CN108342981B (en) | 2018-04-28 | 2018-04-28 | Joint connection structure between ultrathin precast slabs and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756453A (en) * | 2021-08-30 | 2021-12-07 | 中交一公局集团有限公司 | Joint structure, building body and joint structure construction method |
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| CN106854899A (en) * | 2017-01-18 | 2017-06-16 | 黄坤坤 | Assembled ring muscle is fastened and is anchored concrete shear force wall vertical connection structure |
| CN107806008A (en) * | 2017-10-10 | 2018-03-16 | 山西省交通科学研究院 | A kind of integration hollow slab bridge girder construction and its construction method based on ultra-high performance concrete connection |
| CN207228450U (en) * | 2017-05-27 | 2018-04-13 | 中民筑友科技投资有限公司 | A kind of two-way laminated floor slab |
| CN208219409U (en) * | 2018-04-28 | 2018-12-11 | 福州大学 | A kind of ultra-thin prefabricated board seam connection structure |
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2018
- 2018-04-28 CN CN201810403447.1A patent/CN108342981B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002227295A (en) * | 2001-01-29 | 2002-08-14 | Matsumura Gumi Corp | Thin outer shell-like structure precast beam and beam constructing method |
| CN106149962A (en) * | 2016-08-30 | 2016-11-23 | 黑龙江宇辉新型建筑材料有限公司 | Precast concrete shear wall and preparation method thereof |
| CN106499104A (en) * | 2016-12-22 | 2017-03-15 | 中冶京诚工程技术有限公司 | A kind of assembled light floor |
| CN106854899A (en) * | 2017-01-18 | 2017-06-16 | 黄坤坤 | Assembled ring muscle is fastened and is anchored concrete shear force wall vertical connection structure |
| CN207228450U (en) * | 2017-05-27 | 2018-04-13 | 中民筑友科技投资有限公司 | A kind of two-way laminated floor slab |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756453A (en) * | 2021-08-30 | 2021-12-07 | 中交一公局集团有限公司 | Joint structure, building body and joint structure construction method |
| CN113756453B (en) * | 2021-08-30 | 2022-12-09 | 中交一公局集团有限公司 | Joint structure, building body and joint structure construction method |
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| Publication number | Publication date |
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| CN108342981B (en) | 2023-06-16 |
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