CN114352017A - Full cast-in-place outer wall construction method - Google Patents
Full cast-in-place outer wall construction method Download PDFInfo
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- CN114352017A CN114352017A CN202210146566.XA CN202210146566A CN114352017A CN 114352017 A CN114352017 A CN 114352017A CN 202210146566 A CN202210146566 A CN 202210146566A CN 114352017 A CN114352017 A CN 114352017A
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- 238000010276 construction Methods 0.000 title claims abstract description 67
- 239000004567 concrete Substances 0.000 claims abstract description 40
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 14
- 238000009415 formwork Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 6
- 239000011381 foam concrete Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a construction method of a full cast-in-place outer wall, which comprises the following steps: step 1: after the floor slab is poured, mounting a horizontal joint pulling plate and a vertical joint pulling plate and binding shear wall reinforcing steel bars and construction wall reinforcing steel bars; step 2: installing a structural wall formwork net for sealing the formwork; and step 3: pouring lightweight concrete into the structural wall; and 4, step 4: after the construction wall is poured, a wall template and a floor top plate template are installed; and 5: and (4) binding the roof beam plate reinforcing steel bars of the floor, and pouring the shear wall and the roof of the floor after the reinforcing steel bars are bound. The invention has the advantages that the distortion and the deformation of the seam pulling plate are prevented, and the seam pulling plate can play a role in flexible connection; through lightweight concrete pouring construction wall, alleviateed construction wall's quality, guaranteed the stable atress of building, the mobility is good moreover, can guarantee construction wall and pour the shaping quality, the uncompacted phenomenon can not appear, the effectual structure wall seepage that prevents.
Description
Technical Field
The invention relates to the technical field of outer wall construction, in particular to a construction method of a full cast-in-place outer wall.
Background
With the development of building construction technology, a plurality of external wall non-structural filling walls are replaced by concrete structural walls, and the structural walls and the shear walls are constructed simultaneously; if the construction wall and the structural wall column are all rigidly connected, once an earthquake occurs, the deformation capacity of the beam and the column is poor due to the constraint of the wall, the wall is cracked under the influence of seismic waves, the building is directly collapsed under serious conditions, and the safety is not guaranteed.
Therefore, before concrete pouring, flexible materials are adopted to be used for isolation (commonly called as crack plates) between the non-bearing structural wall and the bearing beams and between the non-bearing structural wall and the structural wall columns, so that the bearing wall and the non-bearing structural wall concrete are flexibly connected.
The Chinese patent publication No. CN113323196A discloses a reinforced concrete wall with an optimized filler wall and a construction method thereof, which realizes the full cast-in-place construction of an outer wall, but in the method, a construction wall body and a shear wall are constructed simultaneously, so that a vertical seam plate in the wall body is stressed, deformed and distorted in the casting process, the construction wall body and the shear wall concrete are connected into a whole, and the seam plate does not play a role in flexible connection; the structural wall body and the shear wall are cast by the same concrete, so that the quality of the structural wall body is heavy, the stress of a building is influenced, and the construction cost is also increased; in addition, because the filling blocks are arranged inside the structural wall body, the flowability is poor when concrete is poured, the pouring is not compact due to the fact that the vibration is not in place, the structural wall body is prone to leakage, and the safety of the main structure cannot be guaranteed.
Disclosure of Invention
The invention aims to solve the technical problems of preventing the deformation of the seam pulling plate, lightening the quality of a constructed wall body, reducing the construction cost, preventing the leakage of the constructed wall body and ensuring the safety of a main body structure.
In order to solve the technical problems, the invention provides the following technical scheme:
a construction method of a full cast-in-place outer wall comprises the following steps:
step 1: after the floor slab is poured, mounting a horizontal joint pulling plate and a vertical joint pulling plate and binding shear wall reinforcing steel bars and construction wall reinforcing steel bars;
step 2: installing a structural wall formwork net for sealing the formwork;
and step 3: pouring lightweight concrete into the structural wall;
and 4, step 4: after the construction wall is poured, a wall template and a floor top plate template are installed;
and 5: and (4) binding the roof beam plate reinforcing steel bars of the floor, and pouring the shear wall and the roof of the floor after the reinforcing steel bars are bound.
By the construction method of separately pouring the shear wall and the construction wall, the distortion and deformation of the vertical joint plates are prevented, so that the construction wall and the shear wall are prevented from being connected into a whole, the vertical joint plates can play a flexible connection role, and the safety of a main body structure is ensured; in addition, the light concrete pouring construction wall body not only lightens the quality of the construction wall body and ensures the stable stress of the building, but also has smaller pressure on the vertical seam pulling plate, the vertical seam pulling plate can not be distorted and deformed during the concrete pouring, the stable pouring and forming of the construction wall body can be ensured according to the design requirement, meanwhile, the shear wall and the construction wall body are separately poured, other construction processes can be operated in a crossed manner, and the construction period is not influenced; the lightweight concrete has no coarse aggregate and good fluidity, can ensure the pouring forming quality of the structural wall body without vibration during pouring, does not have the phenomenon of incompact, and effectively prevents the leakage of the structural wall body; in addition, the lightweight concrete has lower price and lower construction cost compared with the existing concrete integrally poured with the shear wall, and also has the effects of heat preservation and heat insulation.
Preferably, the horizontal seam drawing plate and the vertical seam drawing plate are both extruded plates or PVC plates.
Preferably, the thickness of the horizontal seam drawing plate and the vertical seam drawing plate is 30 mm.
Preferably, the mesh size of the die mesh is 4 x 10 mm.
Preferably, the lightweight concrete is foam concrete.
Preferably, the lightweight concrete in the wall body constructed in the step 3 is poured at intervals in layers, and the pouring height of each layer is not more than 800 mm.
Compared with the prior art, the invention has the beneficial effects that:
by the construction method of separately pouring the shear wall and the construction wall, the distortion and deformation of the vertical joint plates are prevented, so that the construction wall and the shear wall are prevented from being connected into a whole, the vertical joint plates can play a flexible connection role, and the safety of a main body structure is ensured; in addition, the light concrete pouring construction wall body not only lightens the quality of the construction wall body and ensures the stable stress of the building, but also has smaller pressure on the vertical seam pulling plate, the vertical seam pulling plate can not be distorted and deformed during the concrete pouring, the stable pouring and forming of the construction wall body can be ensured according to the design requirement, meanwhile, the shear wall and the construction wall body are separately poured, other construction processes can be operated in a crossed manner, and the construction period is not influenced; the lightweight concrete has no coarse aggregate and good fluidity, can ensure the pouring forming quality of the structural wall body without vibration during pouring, does not have the phenomenon of incompact, and effectively prevents the leakage of the structural wall body; in addition, the lightweight concrete has lower price and lower construction cost compared with the existing concrete integrally poured with the shear wall, and also has the effects of heat preservation and heat insulation.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the embodiment discloses a construction method of a full cast-in-place exterior wall, which includes the following steps:
step 1: after the floor slab 1 is poured, the horizontal seam pulling plate 2 and the vertical seam pulling plate 3 are installed and used for binding reinforcing steel bars (not shown) of the shear wall 4 and reinforcing steel bars (not shown) of the construction wall body 5, the horizontal seam pulling plate 2 and the vertical seam pulling plate 3 are both extruded sheets or PVC (polyvinyl chloride) plates, and in the embodiment, the seam pulling plates are extruded sheets with the thickness of 30 mm.
Step 2: and installing a mould net 6 for constructing the wall 5 for mould sealing. The mould net 6 is equivalent to a template, but the mould net 6 does not need to be disassembled, and the later stage can be directly operated on the mould net 6, so that the later stage mould disassembling procedure is reduced, and the construction cost is reduced. Further, the mesh size of the mould net 6 is 4 x 10mm, so that the light concrete can be prevented from flowing out of the mould net 6 in a later period.
And step 3: lightweight concrete, which in this example is foam concrete, is poured into the construction wall 5. Because the lightweight concrete quality is lighter, not only alleviateed the quality of structure wall body 5, guarantee the stable atress of building, also less to the pressure of vertical seam board 3, vertical seam board 3 can not warp when concrete placement, guarantee that structure wall body 5 can stably pour the shaping according to the designing requirement, and lightweight concrete does not have coarse aggregate, and the mobility is good, need not shake during pouring and just can guarantee structure wall body 5 pouring shaping quality, the uncompacted phenomenon can not appear, the effectual 5 seepage of structure wall body that prevents. In addition, compared with the existing concrete integrally cast with the shear wall, the lightweight concrete has lower price and reduces the construction cost.
Furthermore, the light concrete is poured at intervals in layers, the pouring height of each layer is not more than 800mm, the pressure on the vertical seam pulling plate 3 during concrete pouring is further reduced, and the vertical seam pulling plate 3 is prevented from being distorted and deformed.
And 4, step 4: after the construction wall body 5 is poured, the wall body template and the floor top plate template are installed, and the template of the shear wall 4 is installed after the construction wall body 5 is poured, so that the vertical seam pulling plate 3 can be conveniently and fixedly installed in the early stage, and the vertical seam pulling plate 3 can be ensured not to deform when the construction wall body 5 is poured.
And 5: ligature floor roof beam slab reinforcing bar, shear force wall 4 and floor roof are pour to reinforcement completion back, because before shear force wall 4 is pour construction wall body 5 has pour the completion, vertical seam board 3 of pulling is stabilized to be fixed on construction wall body 5, construction wall body 5 is as the support of vertical seam board 3, effectively offset shear force wall 4's concrete placement to vertical seam board 3's extrusion, can not cause the distortion to vertical seam board 3 during shear force wall 4 concrete placement, it is integrative to have prevented that construction wall body 5 and shear force wall 4 from linking into one piece, and then guarantee that vertical seam board 3 can play the flexonics effect.
By the construction method of separately pouring the shear wall 4 and the construction wall 5, the distortion and deformation of the vertical seam pulling plate 3 are prevented, so that the construction wall 5 and the shear wall 4 are prevented from being connected into a whole, the vertical seam pulling plate 3 can play a role in flexible connection, and the safety of a main body structure is ensured; in addition, the light concrete pouring structure wall body 5 not only lightens the quality of the structure wall body 5 and ensures the stable stress of the building, but also has smaller pressure on the vertical seam pulling plate 3, the vertical seam pulling plate 3 can not be distorted and deformed during the concrete pouring, the structure wall body 5 can be stably poured and formed according to the design requirement, the light concrete has no coarse aggregate and good fluidity, the pouring and forming quality of the structure wall body 5 can be ensured without vibration during the pouring, the non-compact phenomenon can not occur, and the leakage of the structure wall body 5 can be effectively prevented; in addition, the lightweight concrete has lower price and lower construction cost compared with the existing concrete integrally poured with the shear wall, and also has the effects of heat preservation and heat insulation.
Furthermore, the shear wall 4 and the construction wall 5 are separately poured, so that the construction processes can be performed in a crossed manner, and the construction period is not influenced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (6)
1. A construction method of a full cast-in-place outer wall is characterized by comprising the following steps: the method comprises the following steps:
step 1: after the floor slab is poured, mounting a horizontal joint pulling plate and a vertical joint pulling plate and binding shear wall reinforcing steel bars and construction wall reinforcing steel bars;
step 2: installing a structural wall formwork net for sealing the formwork;
and step 3: pouring lightweight concrete into the structural wall;
and 4, step 4: after the construction wall is poured, a wall template and a floor top plate template are installed;
and 5: and (4) binding the roof beam plate reinforcing steel bars of the floor, and pouring the shear wall and the roof of the floor after the reinforcing steel bars are bound.
2. The construction method of the full cast-in-place outer wall according to claim 1, characterized in that: the horizontal seam pulling plate and the vertical seam pulling plate are both extruded sheets or PVC sheets.
3. The construction method of the full cast-in-place outer wall according to claim 1, characterized in that: the thickness of the horizontal seam pulling plate and the vertical seam pulling plate is 30 mm.
4. The construction method of the full cast-in-place outer wall according to claim 1, characterized in that: the mesh size of the die mesh was 4 x 10 mm.
5. The construction method of the full cast-in-place outer wall according to claim 1, characterized in that: the lightweight concrete is foam concrete.
6. The construction method of the full cast-in-place outer wall according to claim 1, characterized in that: and 3, pouring the lightweight concrete in the wall body constructed in the step 3 at intervals in a layered manner, wherein the pouring height of each layer is not more than 800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146566.XA CN114352017B (en) | 2022-02-17 | 2022-02-17 | Full cast-in-situ exterior wall construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210146566.XA CN114352017B (en) | 2022-02-17 | 2022-02-17 | Full cast-in-situ exterior wall construction method |
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| CN114352017A true CN114352017A (en) | 2022-04-15 |
| CN114352017B CN114352017B (en) | 2024-02-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095052A (en) * | 2022-08-02 | 2022-09-23 | 江苏扬建集团有限公司 | Cast-in-place weight-reducing filler wall and construction method thereof |
| CN115354857A (en) * | 2022-09-15 | 2022-11-18 | 中铁十一局集团有限公司 | Integral construction process for non-load-bearing structure and main body structure |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115095052A (en) * | 2022-08-02 | 2022-09-23 | 江苏扬建集团有限公司 | Cast-in-place weight-reducing filler wall and construction method thereof |
| CN115354857A (en) * | 2022-09-15 | 2022-11-18 | 中铁十一局集团有限公司 | Integral construction process for non-load-bearing structure and main body structure |
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| CN114352017B (en) | 2024-02-09 |
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