CN105064537B - Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls - Google Patents
Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls Download PDFInfo
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- CN105064537B CN105064537B CN201510461005.9A CN201510461005A CN105064537B CN 105064537 B CN105064537 B CN 105064537B CN 201510461005 A CN201510461005 A CN 201510461005A CN 105064537 B CN105064537 B CN 105064537B
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- 239000004567 concrete Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 8
- 238000009415 formwork Methods 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 61
- 230000002787 reinforcement Effects 0.000 claims description 60
- 238000010276 construction Methods 0.000 claims description 26
- 230000003014 reinforcing effect Effects 0.000 claims description 24
- 239000011178 precast concrete Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 abstract 9
- 238000003466 welding Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a method for connecting and constructing bridge type prefabricated concrete internal and external shear walls, and belongs to the technical field of buildings. The method for connecting and constructing shear walls is used for connecting the shear walls, and includes that a group of middle horizontally distributed reinforcing steel bars is fixedly arranged at the lower ends of longitudinal stressed reinforcing steel bars of the upper-layer shear walls; the upper-layer shear walls are arranged at the upper ends of the lower-layer shear walls; upper-layer and lower-layer longitudinal stressed reinforcing steel bars are assuredly staggered on one another; the lower-layer longitudinal stressed reinforcing steel bars are fixed to the inner sides of the upper-layer middle horizontally distributed reinforcing steel bars; the longitudinal stressed reinforcing steel bars are transversely pulled by hooks; bridges are formed by the upper ends of the lower-layer longitudinal stressed reinforcing steel bars, the lower ends of the upper-layer longitudinal stressed reinforcing steel bars and the upper-layer middle horizontally distributed reinforcing steel bars; formworks are erected on the peripheries of the bridges; the bridges are cast via upper-layer cast holes. The method has the advantages that the connection strength of the shear walls can be improved, the bearing capacity of the shear walls in the vertical directions and the horizontal directions can be enhanced, the safety of wall bodies can be obviously improved, and the safety of personnel in buildings can be guaranteed.
Description
Technical field
The invention belongs to technical field of buildings, and in particular to outer shear wall connection construction side in bridge precast concrete
Method.
Background technology
Shear wall body is primarily subjected to wind load or geological process also known as wind-resistant wall or seismic structural wall, earthquake resistant wall, structural wall in building
The horizontal loading and the wall of vertical load for causing, the wall are prevented from structure shear destruction, current shear wall body by
Shearing wall construction is formed by connecting, and needs to support upper strata shear wall and is poured again in connection, and workload is big, efficiency of construction
It is low, and the load that existing construction method is first born horizontally and vertically when causing shear wall body stress by concrete walls block,
Concrete walls block in shear wall junction usually occurs the weak spot of anti-failure by shear ability, is run into greatly in high-rise
Wind weather especially more than 8 grades strong wind or during earthquake conditions, because the anti-shear ability of concrete walls block is weaker, shear wall wall
Body can occur destruction and cause wall to collapse to topple in shear wall junction, the serious life security for threatening crowd in building, because
This is, it is necessary to a kind of construction method that can strengthen longitudinal load-bearing ability and anti-shear ability and easy construction.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, fix multigroup in the Reinforcement lower end square crossing of shear wall
Horizontal distribution reinforcing bar, can improve the bearing capacity and horizontal direction of the vertical direction of shear wall between shear wall after grafting
Anti-shear ability, the bulk strength of wall is improved.
Concrete technical scheme of the invention is：
Outer shear wall connection construction method in bridge precast concrete, described shear wall includes being mutually perpendicular to intersect admittedly
The Reinforcement and one group of reinforcement horizontal distribution reinforcing bar of fixed group pattern formula arrangement, Reinforcement and reinforcement level
Distribution bar pours the structure that is fixed as one in infall by concrete walls block, and Reinforcement is above concrete walls block
There is exposed junction with lower section, key point is that hand over vertical with the exposed junction of Reinforcement is provided with below concrete walls block
One group of fork fixation is used to form connection crane span structure, the by-level distribution bar of support shear wall, the shearing based on said structure
Wall, the connection construction method between described shear wall is comprised the following steps：
A, the shear wall on upper strata is placed on lower floor's shear wall upper end, the Reinforcement lower end of upper strata shear wall and lower floor
The Reinforcement upper end of shear wall interlocks grafting, bottom by-level distribution bar and the lower story shear of upper strata shear wall
The concrete walls block upper surface contact of wall；
B, Reinforcement lower end and upper strata by the Reinforcement upper end of lower floor's shear wall and upper strata shear wall
By-level distribution bar stationary positioned below shear wall concrete walls block, forms crane span structure；
C, the upper strata shear wall array of staggeredly grafting is arranged Reinforcement lower end with drag hook and lower story shear
Hold wall Reinforcement upper end；
D, poured at crane span structure, upper and lower story shear wall is fixed to form integrative-structure.
The pouring hole vertically through concrete walls block, described step are provided with the concrete walls block of described shear wall
The step that pours in d between shear wall is：Crane span structure surrounding branch formwork for placing between shear wall, then by upper strata shear wall
In pouring hole pour until pouring hole is cast material and overflows sealing.
Described shear wall is located in the by-level distribution bar below concrete walls block, the by-level point of bottom
The diameter with diameter greater than remaining by-level distribution bar of cloth reinforcing bar.
The diameter of the by-level distribution bar of described bottom is big compared to remaining by-level distribution bar diameter
1-2 grade, remaining by-level distribution bar is identical with the diameter for strengthening horizontal distribution reinforcing bar.
The structure of described reinforcement horizontal distribution reinforcing bar be closed-loop around rectangle.
The structure of described by-level distribution bar be closed-loop around rectangle.
Described Reinforcement is fixed with horizontal with the fixed infall of the by-level distribution bar of bottom
Nut, be provided with nut be threadedly coupled with it heighten bolt.
Described nut is located at two groups of Reinforcements and bottom respectively close to concrete walls block edges at two ends
The fixed infall of by-level distribution bar, every group of fixed infall is four.
The beneficial effects of the invention are as follows：The present invention sets up by-level distribution steel in the lower end of the Reinforcement on upper strata
Muscle, when two shear walls are vertically connected with, the Reinforcement on upper strata and the Reinforcement of lower floor with upper strata in
Between horizontal distribution reinforcing bar inner side fixation form crane span structure, the structure of crane span structure can provide support, eliminate setting for upper strata shear wall
Upper strata shear wall support frame it is cumbersome, simplify operation, improve efficiency of construction, and bottom by-level distribution bar
Diameter is bigger than remaining by-level distribution bar, and the stability of strutting system of by-level distribution bar is strengthened, and upper strata is with
The Reinforcement that story shear wall is mutually inserted is held by drag hook, it is ensured that Reinforcement is not in casting process
Can be easily by blastic deformation, and pouring between levels shear wall can be carried out by pouring hole in the invention, construction
It is more convenient.
Brief description of the drawings
Fig. 1 is the structural representation of shear wall in the present invention.
Fig. 2 is the attachment structure schematic diagram between shear wall in the present invention.
Fig. 3 is the cross-sectional view of A-A in Fig. 2.
Fig. 4 is the upward view of Fig. 1.
In accompanying drawing, 1, Reinforcement, 2, strengthen horizontal distribution reinforcing bar, 3, concrete walls block, 4, pouring hole, 5, middle
Horizontal distribution reinforcing bar, 6, crane span structure, 7, drag hook, 8, heighten bolt.
Specific embodiment
The present invention relates to outer shear wall connection construction method in bridge precast concrete, the method in the specific implementation,
The prefabricated of shear wall first is carried out in processing factory, then prefabricated shear wall is transported to the field for needing to connect into shear wall body
Institute, described shear wall includes being mutually perpendicular to the Reinforcement 1 of the group pattern formula arrangement of cross-fixing and one group of reinforcement
Horizontal distribution reinforcing bar 2, Reinforcement is located at strengthens horizontal distribution reinforcing bar inside both sides, strengthens the knot of horizontal distribution reinforcing bar 2
Structure be closed-loop around rectangle, Reinforcement 1 and strengthen horizontal distribution reinforcing bar 2 and poured by concrete walls block 3 in infall
The structure that is fixed as one is built, Reinforcement 1 has exposed junction above and below concrete walls block 3, in concrete walls block 3
Lower section is provided with to be used to be formed with one group of the exposed junction square crossing fixation of Reinforcement 1 and is connected crane span structure 6, support shearing
The by-level distribution bar 5 of wall, the structure of by-level distribution bar 5 for closed-loop around rectangle, by-level distribution steel
Array Reinforcement 1 is fixed therein portion both sides by muscle 5, and fixed form is spot welding or is tied up with wire bundle is tied up, preferably
Spot welding is fixed, the shear wall based on said structure, and the connection construction method between described shear wall is comprised the following steps：
A, the shear wall on upper strata is placed on lower floor's shear wall upper end, the by-level point of Reinforcement 1 and bottom
The fixed infall of cloth reinforcing bar 5 is fixed with horizontal nut, be provided with nut be threadedly coupled with it heighten bolt 8, nut
Positioned at the by-level distribution bar 5 of two groups of Reinforcements 1 respectively close to the edges at two ends of concrete walls block 3 Yu bottom
Fixed infall, every group of fixed infall is four, and heightening bolt 8 by rotation controls its overhang in nut,
The level and height of upper strata shear wall can be adjusted, the lower end of Reinforcement 1 and lower floor's shear wall of upper strata shear wall
The upper end of Reinforcement 1 interlock grafting, bottom by-level distribution bar 5 and lower floor's shear wall of upper strata shear wall
The upper surface of concrete walls block 3 contacts, and the by-level distribution bar 5 of bottom is straight compared to remaining by-level distribution bar
A diameter of remaining diameter of by-level distribution bar 5 of the big 1-2 grade in footpath, i.e. the by-level distribution bar 5 of bottom
1.2-1.5 times, remaining by-level distribution bar 5 is identical with the diameter for strengthening horizontal distribution reinforcing bar 2；
B, by the lower end of Reinforcement 1 of the upper end of Reinforcement 1 of lower floor's shear wall and upper strata shear wall with it is upper
The stationary positioned of by-level distribution bar 5 of the lower section of story shear wall concrete walls block 3, fixed form is spot welding or with tying up wire bundle
Tie up, preferably spot welding is fixed, the Reinforcement 1 and by-level distribution bar 5 and lower floor's shear wall of upper strata shear wall
Reinforcement 1 connection form crane span structure 6；
C, the upper strata shear wall array of staggeredly grafting the is arranged lower end of Reinforcement 1 and lower floor with drag hook 7 are cut
The upper end of power wall Reinforcement 1 is held, quilt between the Reinforcement 1 in the inside both sides of by-level distribution bar 5
Drag hook is spacing；
D, the crane span structure between upper and lower two shear walls is poured, be provided with the concrete walls block 3 of shear wall vertically
Through the pouring hole 4 of concrete walls block 3, the surrounding branch formwork for placing of crane span structure 6 between shear wall, then by upper strata shear wall
In pouring hole 4 pour until pouring hole 4 is cast material and overflows sealing, most upper and lower story shear wall is fixed to form one at last
Body structure.
The shear wall connection construction method being related in the present invention is by the longitudinal stress of the upper and lower shear wall splicing position
Reinforcing bar is fixed on the inside both sides of the by-level distribution bar of upper strata shear wall, the Reinforcement bottom of upper strata shear wall
What is set heightens bolt and can adjust the level and height of component so that upper strata shear wall crooked and do not reach requirement for height
Situation can be corrected, the by-level distribution bar of bottom with diameter greater than other horizontal distribution reinforcing bars, enhance most
The bearing capacity and bearing stability of lower end horizontal distribution reinforcing bar, it is to avoid two unstability of shear wall contact position, so that
The process that upper strata component supporting and mounting bracket is set is saved, construction technology is simplified, the efficiency of construction, middle water is improve
The Reinforcement of upper and lower two-layer component is wrapped in its inner side by flat distribution bar, there is certain support to Reinforcement
Effect, it is ensured that the setting stability of Reinforcement, and the Reinforcement of the upper and lower splicing position passes through drawing
Hook is held, and substantially reduces blastic deformation when Reinforcement is poured by pouring material, it is to avoid the upper and lower shear walls
Deviation dislocation in work progress, the bonding strength between shear wall is strengthened, the shear wall that the construction method builds
Wall is obtained for and significantly improves in the bearing capacity of vertical direction and the anti-shear ability of horizontal direction, and using for shear wall is pacified
Full property is ensured, for the personnel in building provide safety guarantee, also there is certain supporting under high wind and earthquake conditions
The ability of resistance to deformation, increased the escape time of personnel in the destroyed front wall body of wall.
Claims (8)
1. outer shear wall connection construction method in bridge precast concrete, described shear wall includes being mutually perpendicular to cross-fixing
A group pattern formula arrangement Reinforcement (1) and one group of reinforcement horizontal distribution reinforcing bar (2), Reinforcement (1) and
Strengthen horizontal distribution reinforcing bar (2) and the structure that is fixed as one, Reinforcement are poured by concrete walls block (3) in infall
(1) there is exposed junction above and below concrete walls block (3), it is characterised in that：Concrete walls block (3) lower section be provided with
One group of the exposed junction square crossing fixation of Reinforcement (1) is used to form connection crane span structure (6), the centre of support shear wall
Horizontal distribution reinforcing bar (5), the shear wall based on said structure, the connection construction method between described shear wall includes following step
Suddenly：
A, the shear wall on upper strata is placed on lower floor's shear wall upper end, Reinforcement (1) lower end of upper strata shear wall and lower floor
Reinforcement (1) upper end of shear wall interlocks grafting, and bottom by-level distribution bar (5) of upper strata shear wall is with
Concrete walls block (3) upper surface contact of story shear wall；
B, by Reinforcement (1) lower end of Reinforcement (1) upper end of lower floor's shear wall and upper strata shear wall with it is upper
By-level distribution bar (5) stationary positioned below story shear wall concrete walls block (3), forms crane span structure (6)；
C, the upper strata shear wall array of staggeredly grafting is arranged Reinforcement (1) lower end and lower floor with drag hook (7) are cut
Hold power wall Reinforcement (1) upper end；
D, poured at crane span structure, upper and lower story shear wall is fixed to form integrative-structure.
2. outer shear wall connection construction method in bridge precast concrete according to claim 1, it is characterised in that：Institute
The pouring hole (4) vertically through concrete walls block (3), described step d are provided with the concrete walls block (3) of the shear wall stated
The step that pours between middle shear wall is：Crane span structure (6) surrounding branch formwork for placing between shear wall, then by upper story shear
Pouring hole (4) in wall pour until pouring hole (4) is poured material and overflows sealing.
3. outer shear wall connection construction method in bridge precast concrete according to claim 1, it is characterised in that：Institute
In the by-level distribution bar (5) below concrete walls block (3), the by-level of bottom is distributed the shear wall stated
The diameter with diameter greater than remaining by-level distribution bar (5) of reinforcing bar (5).
4. outer shear wall connection construction method in bridge precast concrete according to claim 3, it is characterised in that：Institute
The diameter of the by-level distribution bar (5) of the bottom stated is compared to the big 1-2 of remaining by-level distribution bar (5) diameter
Grade, remaining by-level distribution bar (5) is identical with the diameter for strengthening horizontal distribution reinforcing bar (2).
5. outer shear wall connection construction method in bridge precast concrete according to claim 1, it is characterised in that institute
The structure of reinforcement horizontal distribution reinforcing bar (2) stated be closed-loop around rectangle.
6. outer shear wall connection construction method in bridge precast concrete according to claim 1, it is characterised in that institute
The structure of the by-level distribution bar (5) stated be closed-loop around rectangle.
7. outer shear wall connection construction method in bridge precast concrete according to claim 1, it is characterised in that：Institute
The Reinforcement (1) stated is fixed with horizontal nut with the fixed infall of the by-level distribution bar (5) of bottom,
Be provided with nut be threadedly coupled with it heighten bolt (8).
8. outer shear wall connection construction method in bridge precast concrete according to claim 7, it is characterised in that：Institute
The nut stated is located at the centre of the two groups of Reinforcements (1) and bottom respectively close to concrete walls block (3) edges at two ends
The fixed infall of horizontal distribution reinforcing bar (5), every group of fixed infall is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461005.9A CN105064537B (en) | 2015-07-31 | 2015-07-31 | Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461005.9A CN105064537B (en) | 2015-07-31 | 2015-07-31 | Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls |
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| Publication Number | Publication Date |
|---|---|
| CN105064537A CN105064537A (en) | 2015-11-18 |
| CN105064537B true CN105064537B (en) | 2017-05-24 |
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| CN201510461005.9A Expired - Fee Related CN105064537B (en) | 2015-07-31 | 2015-07-31 | Method for connecting and constructing bridge type prefabricated concrete internal and external shear walls |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230789Y (en) * | 1995-07-05 | 1996-07-10 | 王振华 | Combined high-strength floor block |
| CN102021913A (en) * | 2010-11-18 | 2011-04-20 | 天津大学 | Height-adjustable steel structure foundation and manufacturing method thereof |
| CN202611012U (en) * | 2012-05-31 | 2012-12-19 | 东南大学 | Assembly type concrete shear wall edge member connection structure |
| CN103726586A (en) * | 2013-12-26 | 2014-04-16 | 北京工业大学 | H-shaped steel and steel plate framework assembly shear wall with interfaces with grooves and manufacturing method |
-
2015
- 2015-07-31 CN CN201510461005.9A patent/CN105064537B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2230789Y (en) * | 1995-07-05 | 1996-07-10 | 王振华 | Combined high-strength floor block |
| CN102021913A (en) * | 2010-11-18 | 2011-04-20 | 天津大学 | Height-adjustable steel structure foundation and manufacturing method thereof |
| CN202611012U (en) * | 2012-05-31 | 2012-12-19 | 东南大学 | Assembly type concrete shear wall edge member connection structure |
| CN103726586A (en) * | 2013-12-26 | 2014-04-16 | 北京工业大学 | H-shaped steel and steel plate framework assembly shear wall with interfaces with grooves and manufacturing method |
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| Publication number | Publication date |
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| CN105064537A (en) | 2015-11-18 |
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Effective date of registration: 20230105 Address after: 276000 No. 001, Torch Building, Keji Avenue, high tech Zone, Linyi City, Shandong Province Patentee after: Linyi high tech Real Estate Co.,Ltd. Address before: 4-3-1, 25-2 Jiangdong Street, Dadong District, Shenyang, Liaoning 110000 Patentee before: Chen Cunlong |
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Granted publication date: 20170524 |