CN114352017B - Full cast-in-situ exterior wall construction method - Google Patents
Full cast-in-situ exterior wall construction method Download PDFInfo
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- CN114352017B CN114352017B CN202210146566.XA CN202210146566A CN114352017B CN 114352017 B CN114352017 B CN 114352017B CN 202210146566 A CN202210146566 A CN 202210146566A CN 114352017 B CN114352017 B CN 114352017B
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 18
- 239000011381 foam concrete Substances 0.000 claims description 3
- 239000003000 extruded plastic Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 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
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a full cast-in-situ exterior wall construction method, which comprises the following steps: step 1: after the floor slab pouring is completed, installing a horizontal joint pulling plate and a vertical joint pulling plate, and binding shear wall steel bars and construction wall steel bars; step 2: installing a wall mould net for sealing the mould; step 3: pouring light concrete into the structural wall body; step 4: after the construction wall body is poured, installing a wall body template and a floor roof template; step 5: and binding floor roof beam slab steel bars, and pouring a shear wall and a floor roof after the steel bars are bound. The invention has the advantages that the distortion of the slot pulling plate is prevented, and the slot pulling plate is ensured to play a flexible connection role; the structural wall body is poured by light concrete, so that the quality of the structural wall body is reduced, the stable stress of the building is ensured, the fluidity is good, the pouring molding quality of the structural wall body can be ensured, the phenomenon of incompact can not occur, and the leakage of the structural wall body is effectively prevented.
Description
Technical Field
The invention relates to the technical field of exterior wall construction, in particular to a full cast-in-situ exterior wall construction method.
Background
Along with the development of the building construction process, a plurality of outer wall non-structural filling walls are replaced by concrete structural walls, and the structural walls and the shear walls are constructed simultaneously; if all the structural walls and structural wall columns are rigidly connected, once an earthquake occurs, the beams and columns are poor in deformation capacity due to the constraint of the walls, the walls are cracked under the influence of the vibration waves, the buildings are directly collapsed when the conditions are serious, and the safety cannot be guaranteed.
Therefore, before concrete pouring, flexible materials are used for isolation (commonly called as joint pulling plates) between the non-bearing structural wall and the spandrel girder and the structural wall column, so that the bearing wall and the non-bearing structural wall are in flexible connection with concrete.
The Chinese patent publication No. CN113323196A discloses a reinforced concrete wall with optimized filling wall and a construction method thereof, which realizes the full cast-in-situ construction of the outer wall, but in the method, the construction of the wall body and the shear wall simultaneously can lead to the stress deformation and distortion of a vertical joint plate in the wall body in the casting process, so that the construction wall body and the shear wall are connected into a whole, and the joint plate does not play a flexible connection role; the structural wall body and the shear wall are poured by the same concrete, so that the weight of the structural wall body is increased, the stress of the building is influenced, and the construction cost is increased; in addition, because the inside filler that is equipped with of construction wall body, mobility is relatively poor when concrete placement, shakes not in place and can appear pouring the non-compactibility phenomenon, leads to easily constructing wall body seepage, can't guarantee major structure safety.
Disclosure of Invention
The invention aims to solve the technical problems of preventing the joint pulling plate from deforming, reducing the quality of a structural wall body, reducing the construction cost, preventing the structural wall body from leaking and ensuring the safety of a main structure.
In order to solve the technical problems, the invention provides the following technical scheme:
a full cast-in-situ exterior wall construction method comprises the following steps:
step 1: after the floor slab pouring is completed, installing a horizontal joint pulling plate and a vertical joint pulling plate, and binding shear wall steel bars and construction wall steel bars;
step 2: installing a wall mould net for sealing the mould;
step 3: pouring light concrete into the structural wall body;
step 4: after the construction wall body is poured, installing a wall body template and a floor roof template;
step 5: and binding floor roof beam slab steel bars, and pouring a shear wall and a floor roof after the steel bars are bound.
By the construction method that the shear wall and the structural wall are poured separately, the distortion of the vertical joint pulling plate is prevented, the structural wall and the shear wall are prevented from being connected into a whole, the vertical joint pulling plate can play a flexible connection role, and the safety of a main structure is further guaranteed; in addition, the structural wall body is poured by light concrete, so that the quality of the structural wall body is reduced, the stable stress of the building is ensured, the pressure on the vertical joint pulling plate is small, the vertical joint pulling plate cannot be distorted and deformed during concrete pouring, the structural wall body can be stably poured and molded according to the design requirement, meanwhile, the shear wall and the structural wall body are separately poured, other construction procedures can be performed in a cross mode, and the construction period is not influenced; the lightweight concrete has no coarse aggregate, has good fluidity, can ensure the pouring molding quality of the structural wall without vibration during pouring, does not generate the phenomenon of non-compaction, and effectively prevents the structural wall from leaking; in addition, compared with the existing concrete integrally poured with the shear wall, the lightweight concrete has the advantages of low price, construction cost reduction and heat preservation and heat insulation.
Preferably, the horizontal slot pulling plate and the vertical slot pulling plate are extruded plastic plates or PVC plates.
Preferably, the horizontal and vertical slot pulling plates have a plate thickness of 30mm.
Preferably, the mesh size of the mould net is 4 x 10mm.
Preferably, the lightweight concrete is foam concrete.
Preferably, the lightweight concrete in the construction wall body in the step 3 is poured at intervals in layers, and the pouring height of each layer is not more than 800mm.
Compared with the prior art, the invention has the beneficial effects that:
by the construction method that the shear wall and the structural wall are poured separately, the distortion of the vertical joint pulling plate is prevented, the structural wall and the shear wall are prevented from being connected into a whole, the vertical joint pulling plate can play a flexible connection role, and the safety of a main structure is further guaranteed; in addition, the structural wall body is poured by light concrete, so that the quality of the structural wall body is reduced, the stable stress of the building is ensured, the pressure on the vertical joint pulling plate is small, the vertical joint pulling plate cannot be distorted and deformed during concrete pouring, the structural wall body can be stably poured and molded according to the design requirement, meanwhile, the shear wall and the structural wall body are separately poured, other construction procedures can be performed in a cross mode, and the construction period is not influenced; the lightweight concrete has no coarse aggregate, has good fluidity, can ensure the pouring molding quality of the structural wall without vibration during pouring, does not generate the phenomenon of non-compaction, and effectively prevents the structural wall from leaking; in addition, compared with the existing concrete integrally poured with the shear wall, the lightweight concrete has the advantages of low price, construction cost reduction and heat preservation and heat insulation.
Drawings
FIG. 1 is a schematic 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 scheme of the present invention by those skilled in the art, the technical scheme of the present invention will be further described with reference to the accompanying drawings.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 and 2, the embodiment discloses a full cast-in-situ exterior wall construction method, which comprises the following steps:
step 1: after the floor slab 1 is poured, a horizontal slot pulling plate 2 and a vertical slot pulling plate 3 are installed, steel bars (not shown in the figure) of the shear wall 4 and steel bars (not shown in the figure) of the construction wall body 5 are bound, the horizontal slot pulling plate 2 and the vertical slot pulling plate 3 are extruded sheets or PVC sheets, and in the embodiment, the slot pulling plates are extruded sheets with the thickness of 30mm.
Step 2: and installing a mould net 6 of the construction wall body 5 for sealing the mould. The mould net 6 is equivalent to a template, but the mould net 6 does not need to be disassembled, and can be directly operated on the mould net 6 in the later period, so that the later-period mould disassembling process is reduced, and the construction cost is reduced. Further, the mesh size of the mold net 6 is 4 x 10mm, so that the light concrete can be prevented from flowing out of the mold net 6 in the later stage.
Step 3: lightweight concrete, in this embodiment foam concrete, is poured into the structural wall 5. Because the lightweight concrete is lighter in weight, the quality of the structural wall body 5 is reduced, the stable stress of the building is ensured, the pressure to the vertical joint pulling plate 3 is smaller, the vertical joint pulling plate 3 cannot be distorted and deformed when the concrete is poured, the structural wall body 5 can be stably poured and formed according to the design requirement, the lightweight concrete has no coarse aggregate, the flowability is good, the pouring and forming quality of the structural wall body 5 can be ensured without vibration during pouring, the phenomenon of incompact cannot occur, and the leakage of the structural wall body 5 is effectively prevented. In addition, compared with the existing concrete integrally poured with the shear wall, the lightweight concrete has lower price and reduces the construction cost.
Further, the light concrete is poured at intervals in a pouring mode, the pouring height of each layer is not more than 800mm, the pressure on the vertical slot pulling plate 3 in the pouring process of the light concrete is further reduced, and the vertical slot pulling plate 3 is prevented from being distorted and deformed.
Step 4: after the construction wall 5 is poured, the wall template and the floor roof template are installed, and the template of the shear wall 4 is installed after the construction wall 5 is poured, so that the installation and fixation of the vertical joint pulling plate 3 in the earlier stage are facilitated, and the vertical joint pulling plate 3 can be prevented from deforming when the construction wall 5 is poured.
Step 5: after binding floor roof beam slab steel bars, pouring shear wall 4 and floor roof after steel bar binding is completed, because the construction wall body 5 is poured before the shear wall 4 is poured, the vertical slot pulling plate 3 is stably fixed on the construction wall body 5, the construction wall body 5 is used as a support of the vertical slot pulling plate 3, extrusion of the vertical slot pulling plate 3 by concrete pouring of the shear wall 4 is effectively counteracted, distortion of the vertical slot pulling plate 3 can not be caused when the shear wall 4 is concreted, the construction wall body 5 and the shear wall 4 are prevented from being connected into a whole, and further the vertical slot pulling plate 3 can play a role in flexible connection.
By the construction method that the shear wall 4 and the construction wall 5 are poured separately, the distortion of the vertical joint pulling plate 3 is prevented, the construction wall 5 and the shear wall 4 are prevented from being connected into a whole, the vertical joint pulling plate 3 can play a role in flexible connection, and the safety of a main structure is further guaranteed; in addition, the structural wall body 5 is poured by light concrete, so that the quality of the structural wall body 5 is reduced, the stable stress of a building is ensured, the pressure on the vertical joint pulling plate 3 is small, the vertical joint pulling plate 3 cannot be distorted and deformed during concrete pouring, the structural wall body 5 can be stably poured and formed according to the design requirement, the light concrete has no coarse aggregate, the fluidity is good, the pouring and forming quality of the structural wall body 5 can be ensured without vibration during pouring, the phenomenon of incompact is avoided, and the structural wall body 5 is effectively prevented from leaking; in addition, compared with the existing concrete integrally poured with the shear wall, the lightweight concrete has the advantages of low price, construction cost reduction and heat preservation and heat insulation.
Furthermore, the shear wall 4 and the structural wall 5 are poured separately, and the construction process can be performed in a cross manner, so that 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 characteristics 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.
The above-described embodiments merely represent embodiments of the invention, the scope of the invention is not limited to the above-described embodiments, and it is obvious to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (6)
1. A full cast-in-situ exterior wall construction method is characterized in that: the method comprises the following steps:
step 1: after the floor slab pouring is completed, installing a horizontal joint pulling plate and a vertical joint pulling plate, and binding shear wall steel bars and construction wall steel bars;
step 2: installing a wall mould net for sealing the mould;
step 3: pouring light concrete into the structural wall body;
step 4: after the construction wall body is poured, installing a wall body template and a floor roof template;
step 5: and binding floor roof beam slab steel bars, pouring a shear wall and a floor roof after the steel bars are bound, and pouring the structural wall before the shear wall is poured, wherein the vertical slot-pulling plate is stably fixed on the structural wall.
2. The method for constructing the full cast-in-situ exterior wall according to claim 1, wherein the method comprises the following steps: the horizontal slot pulling plate and the vertical slot pulling plate are extruded plastic plates or PVC plates.
3. The method for constructing the full cast-in-situ exterior wall according to claim 1, wherein the method comprises the following steps: the thickness of the horizontal slot pulling plate and the vertical slot pulling plate is 30mm.
4. The method for constructing the full cast-in-situ exterior wall according to claim 1, wherein the method comprises the following steps: the mesh size of the die net was 4 x 10mm.
5. The method for constructing the full cast-in-situ exterior wall according to claim 1, wherein the method comprises the following steps: the lightweight concrete is foam concrete.
6. The method for constructing the full cast-in-situ exterior wall according to claim 1, wherein the method comprises the following steps: and 3, pouring light concrete in the construction wall body at intervals in a layered manner, wherein the pouring height of each layer is not more than 800mm.
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN202210146566.XA CN114352017B (en) | 2022-02-17 | 2022-02-17 | Full cast-in-situ exterior wall construction method |
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| CN114352017A CN114352017A (en) | 2022-04-15 |
| CN114352017B true CN114352017B (en) | 2024-02-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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