CN113802699A - Construction method for rapidly plugging by applying precast slab of shear wall post-cast strip - Google Patents
Construction method for rapidly plugging by applying precast slab of shear wall post-cast strip Download PDFInfo
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- CN113802699A CN113802699A CN202111136710.3A CN202111136710A CN113802699A CN 113802699 A CN113802699 A CN 113802699A CN 202111136710 A CN202111136710 A CN 202111136710A CN 113802699 A CN113802699 A CN 113802699A
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- shear wall
- cast strip
- wall post
- post
- precast slab
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The invention discloses a construction method for quickly plugging a precast slab of a post-cast strip of a shear wall, which comprises the following steps: determining the size of a precast slab of the shear wall post-pouring belt according to the height and the width of the shear wall post-pouring belt, and processing the precast slab of the shear wall post-pouring belt, wherein the width of the precast slab of the shear wall post-pouring belt is larger than the width of the shear wall post-pouring belt, and a water stop screw and a tie bar are reserved on the precast slab of the shear wall post-pouring belt; hoisting the shear wall post-cast strip precast slab, and sealing the shear wall post-cast strip by the shear wall post-cast strip precast slab, wherein the tie bar and the water stop screw are positioned close to the side of the shear wall; the tie bars are anchored and bound with the main bars of the shear wall; and (4) erecting a template of the post-cast strip of the closed shear wall by using the water stop screw, and then pouring the concrete of the post-cast strip. The construction method for quickly plugging by applying the precast slab of the shear wall post-cast strip has the advantages of low cost, high construction speed and high construction efficiency, and has wide application prospect.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for quickly plugging by using a precast slab of a shear wall post-cast strip.
Background
The post-construction casting belt is a temporarily reserved spacing belt which is sealed after certain aging in order to prevent a main body structure from cracking caused by one or more reasons such as temperature difference stress, uneven settlement, concrete shrinkage deformation and the like in the construction process of a cast-in-place integral reinforced concrete structure. The construction speed of the current post-construction casting belt is low, and the current requirement on the construction speed is often difficult to meet. Especially for basement construction environment, because basement excavation area is great, cause the construction site around the building narrow and small, in order to guarantee the time limit for a project and satisfy superstructure construction's needs, often accomplish back fill earthwork, level and smooth place before the post-cast strip is pour, this just needs to carry out certain protection to the post-cast strip position of shear force wall, then pour at the completion post-cast strip to shorten the time limit for a project.
Therefore, the development of the construction method of the shear wall post-cast strip, which has high construction speed and can quickly pre-protect the post-cast strip to meet the need of backfilling earth, has practical significance.
Disclosure of Invention
Due to the defects in the prior art, the invention provides the shear wall post-cast strip construction method which is high in construction speed and capable of quickly pre-protecting the post-cast strip to meet the requirement of backfilling, so as to solve the problems that the construction speed of the conventional shear wall post-cast strip construction method is too low, and a post-cast strip protection means needs to be specially designed for the basement construction environment, so that the cost is greatly increased.
In order to achieve the purpose, the invention provides the following technical scheme:
a construction method for rapidly plugging by applying a precast slab of a shear wall post-cast strip comprises the following steps:
(1) determining the size of a precast slab of the shear wall post-pouring belt according to the height and the width of the shear wall post-pouring belt, and processing the precast slab of the shear wall post-pouring belt, wherein the width of the precast slab of the shear wall post-pouring belt is larger than the width of the shear wall post-pouring belt, and a water stop screw and a tie bar are reserved on the precast slab of the shear wall post-pouring belt;
(2) hoisting the shear wall post-cast strip precast slab, and sealing the shear wall post-cast strip by the shear wall post-cast strip precast slab, wherein the tie bar and the water stop screw are positioned close to the side of the shear wall;
(3) the tie bars are anchored and bound with the main bars of the shear wall;
(4) and (4) erecting a template of the post-cast strip of the closed shear wall by using the water stop screw, and then pouring the concrete of the post-cast strip.
According to the construction method for rapidly plugging the shear wall post-cast strip precast slab, the shear wall post-cast strip is rapidly plugged by the shear wall post-cast strip precast slab, so that on one hand, certain protection can be provided for the post-cast strip position of the shear wall in advance to facilitate earth backfill work before the post-cast strip is poured, the construction progress is improved, additional measures for protection are not needed, the cost is reduced, on the other hand, compared with the direct pouring of the post-cast strip, the precast slab can be manufactured in advance, the construction speed can be greatly improved, and the construction method has a great application prospect.
As a preferred technical scheme:
according to the construction method for rapidly plugging the precast slab of the shear wall post-cast strip, the waterproof mortar layer and the waterproof coiled material layer are sequentially arranged on the side, away from the shear wall post-cast strip, of the precast slab of the shear wall post-cast strip, so that the waterproof performance of the shear wall post-cast strip is further improved.
According to the construction method for quickly plugging the precast slab of the shear wall post-cast strip, the water stop plate parallel to the shear wall is arranged in the shear wall post-cast strip, and two sides of the water stop plate are bent towards the arrangement direction of the precast slab of the shear wall post-cast strip.
According to the construction method for rapidly plugging by using the precast slabs of the shear wall post-cast strip, the precast slabs of the shear wall post-cast strip are multiple, and the precast slabs of the shear wall post-cast strip are stacked in sequence in the vertical direction.
According to the construction method for rapidly plugging the precast slabs of the shear wall post-cast strip, the waterproof mortar is filled in the gap of the precast slabs of the shear wall post-cast strip, so that the waterproof performance of the gap is improved, and the fixing fastness between the precast slabs of the shear wall post-cast strip is improved.
According to the construction method for quickly plugging by using the precast slab of the shear wall post-cast strip, earth can be filled back after the template of the closed shear wall post-cast strip is built, and if the construction period is short, the earth can be filled back and the template of the closed shear wall post-cast strip can be built simultaneously.
According to the construction method for quickly plugging the precast slab of the shear wall post-cast strip, after earth backfilling is completed, the template of the closed shear wall post-cast strip is opened, the template for reinstalling the reinforced closed shear wall post-cast strip in the post-cast strip is cleaned (the flatness, perpendicularity and the like of the template are checked and adjusted), and then concrete pouring of the post-cast strip can be carried out.
According to the construction method for rapidly plugging the precast slab of the shear wall post-cast strip, the template of the shear wall post-cast strip is a plastic template, and the plastic template cannot be deformed, rusted and rotten due to long-term damp of a basement.
According to the construction method for quickly plugging the precast slab of the post-cast strip of the shear wall, two rows of water stop screws are arranged, and one row of water stop screws are vertically arranged;
and a lifting hook for hoisting is also pre-embedded at the top of the shear wall post-cast strip precast slab.
According to the construction method for rapidly plugging by using the precast slab of the shear wall post-cast strip, the waterproof mortar layer on the side, away from the shear wall post-cast strip, of the precast slab of the shear wall post-cast strip is provided with 45-degree oblique angles on two sides of the precast slab of the shear wall post-cast strip.
The invention has the following advantages or beneficial effects:
(1) according to the construction method for quickly plugging by applying the shear wall post-pouring belt precast slab, the shear wall post-pouring belt precast slab is used for replacing a brick retaining wall and serving as an outdoor waterproof layer base layer, the construction is simple and convenient, earth backfill of the basement outer wall can be performed in advance, and the construction period and the arrangement requirement of a secondary site are ensured;
(2) according to the construction method for quickly plugging by applying the precast slab of the shear wall post-cast strip, the precast slab can be manufactured in an industrial manner and installed by matching tower cranes on site with manual work, so that the labor intensity of workers can be reduced, and the labor efficiency can be improved;
(3) according to the construction method for quickly plugging the precast slab of the shear wall post-cast strip, the precast slab of the shear wall post-cast strip is used as the moulding bed outside the basement post-cast strip chamber, so that the later construction is safer, the construction cost can be saved, and the engineering construction progress is ensured;
(4) the invention relates to a construction method for rapidly plugging a precast slab of a post-cast strip of a shear wall, which is characterized in that a water stop screw is preset in the lateral direction of concrete, and a template is supported by the water stop screw; the underground indoor template is convenient to clean, a cleaning opening is reserved at the bottom, and the template is pre-supported, so that the pollution of the steel bars at the post-cast strip is prevented, and the underground indoor template has a great application prospect.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a schematic structural diagram of a shear wall post-cast strip precast slab;
FIGS. 2 and 3 are schematic top and elevation views, respectively, of a shear wall post-cast strip precast slab containment structure;
the method comprises the following steps of 1-precast slab of shear wall post-cast strip, 2-lifting hook, 3-water stop screw, 4-tie bar, 5-shear wall, 6-water stop slab, 7-waterproof mortar layer + waterproof coiled material layer and 8-waterproof mortar leveling layer.
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings and specific examples, but the present invention is not limited thereto.
Example 1
A construction method for quickly plugging by applying a shear wall post-cast strip precast slab is applied to Jinhua city-intelligent courtyard projects in Zhejiang province and comprises the following specific steps:
(1) processing a shear wall post-cast strip precast slab 1 (shown in figure 1), handing over to a prefabrication factory according to the size of the post-cast strip shear wall on a structural construction drawing, if the height of the shear wall is too large, performing subsection prefabrication, wherein the concrete strength C40 is that the length is 'the width of the post-cast strip +2 multiplied by 150 mm', the thickness is 100mm, and the height is 500mm, each shear wall post-cast strip precast slab is provided with two rows of water stop screws 3, the distance between each row of water stop screws and the long side is 100mm, the distance between each row of water stop screws and the short side is 250mm, the length is 'the thickness of the shear wall +200 mm', the slab and the width of the post-cast strip are reserved with phi 10 tie bars 4, and the top of the shear wall post-cast strip precast slab 1 is provided with a lifting hook 2 convenient for lifting;
(2) hoisting the precast slabs of the shear wall post-cast strip to corresponding positions, installing the precast slabs upwards from the foundation slab, and making a waterproof mortar leveling layer 8 at the splicing position of the precast slabs of the shear wall post-cast strip according to the actual measurement of the size of the last precast slab;
(3) anchoring the tie bars 4 on the precast slabs into the pouring area of the rear pouring belt of the shear wall and firmly binding with the main bars of the shear wall, presetting water stop plates 6 parallel to the shear wall 5 on the rear pouring belt of the shear wall, and bending two sides of the water stop plates 6 towards the arrangement direction of the precast slabs 1 of the rear pouring belt of the shear wall;
(4) paving a waterproof mortar layer and a waterproof coil layer 7 (the waterproof mortar layer is provided with 45-degree oblique angles at two sides of the precast slab of the shear wall post-cast strip) at the side of the precast slab of the shear wall post-cast strip, which is far away from the shear wall post-cast strip, and then backfilling earthwork as shown in figures 2 and 3;
(5) the water-stopping screw on the prefabricated slab and the screws left at two sides of the post-pouring strip are used for reinforcing the template at the inner side, and the plastic template is adopted for supporting the template, so that the template cannot be deformed, corroded and rotten due to long-term damp of a basement;
(6) and after the time of meeting the design requirement, opening the template with the reserved lower opening of 500mm, cleaning the garbage in the post-cast strip, reinforcing the template after the cleaning is finished, checking and adjusting the flatness, the verticality and the like of the template, and pouring the post-cast strip concrete after the template is qualified.
After verification, the concrete precast cover plate is used for replacing a backfill retaining wall at a post-cast strip, a basement waterproof layer base layer and a basement post-cast strip outer side template, various outdoor projects and post-cast strip concrete pouring at the post-cast strip can be independently constructed, and conditions are created for rapid construction of various outdoor procedures of the basement post-cast strip; and the water stop screw is used for supporting the template, so that the time and the labor are saved, the cost is saved, the effect is good, and the application prospect is good.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described herein in detail. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (10)
1. A construction method for rapidly plugging by applying a precast slab of a shear wall post-cast strip is characterized by comprising the following steps: the method comprises the following steps:
(1) determining the size of a precast slab of the shear wall post-pouring belt according to the height and the width of the shear wall post-pouring belt, and processing the precast slab of the shear wall post-pouring belt, wherein the width of the precast slab of the shear wall post-pouring belt is larger than the width of the shear wall post-pouring belt, and a water stop screw and a tie bar are reserved on the precast slab of the shear wall post-pouring belt;
(2) hoisting the shear wall post-cast strip precast slab, and sealing the shear wall post-cast strip by the shear wall post-cast strip precast slab, wherein the tie bar and the water stop screw are positioned close to the side of the shear wall;
(3) the tie bars are anchored and bound with the main bars of the shear wall;
(4) and (4) erecting a template of the post-cast strip of the closed shear wall by using the water stop screw, and then pouring the concrete of the post-cast strip.
2. The construction method for performing rapid plugging by using the precast slab of the shear wall post-cast strip according to claim 1, wherein a waterproof mortar layer and a waterproof coil layer are sequentially arranged on the side, away from the shear wall post-cast strip, of the precast slab of the shear wall post-cast strip.
3. The construction method for performing rapid plugging by using the precast slab of the shear wall post-cast strip according to claim 1, wherein a water stop plate parallel to the shear wall is arranged in the shear wall post-cast strip, and two sides of the water stop plate are bent towards the arrangement direction of the precast slab of the shear wall post-cast strip.
4. The construction method for performing rapid plugging by using the precast slab of the shear wall post-cast strip according to claim 1, wherein the precast slab of the shear wall post-cast strip has a plurality of blocks, and the precast slabs of the shear wall post-cast strip are stacked in sequence in a vertical direction.
5. The construction method for rapidly plugging by using the precast slabs of the shear wall post-cast strip according to claim 4, wherein waterproof mortar is filled in gaps between the precast slabs of the shear wall post-cast strip.
6. The construction method for performing rapid plugging by using the precast slab of the shear wall post-cast strip according to claim 5, wherein earth can be filled back after a template for closing the shear wall post-cast strip is built.
7. The construction method for performing rapid plugging by using the precast slab of the shear wall post-cast strip according to claim 6, characterized in that the template of the closed shear wall post-cast strip is opened after the earth backfill is completed, and the post-cast strip concrete pouring can be performed by cleaning the post-cast strip and reinstalling the template for reinforcing the closed shear wall post-cast strip.
8. The construction method for rapidly plugging by using the precast slab of the shear wall post-cast strip according to claim 1, wherein the template of the closed shear wall post-cast strip is a plastic template.
9. The construction method for rapidly plugging by applying the precast slab of the shear wall post-cast strip according to claim 1, wherein the number of the water stop screws is two, and one row of the water stop screws is vertically arranged;
and a lifting hook for hoisting is also pre-embedded at the top of the shear wall post-cast strip precast slab.
10. The construction method for rapidly plugging by using the precast slab of the shear wall post-cast strip according to claim 2, wherein the waterproof mortar layer on the side of the precast slab of the shear wall post-cast strip away from the shear wall post-cast strip is provided with oblique angles on two sides of the precast slab of the shear wall post-cast strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136710.3A CN113802699A (en) | 2021-09-27 | 2021-09-27 | Construction method for rapidly plugging by applying precast slab of shear wall post-cast strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111136710.3A CN113802699A (en) | 2021-09-27 | 2021-09-27 | Construction method for rapidly plugging by applying precast slab of shear wall post-cast strip |
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| Publication Number | Publication Date |
|---|---|
| CN113802699A true CN113802699A (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111136710.3A Withdrawn CN113802699A (en) | 2021-09-27 | 2021-09-27 | Construction method for rapidly plugging by applying precast slab of shear wall post-cast strip |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482135A (en) * | 2022-02-21 | 2022-05-13 | 中铁十六局集团城市建设发展有限公司 | Advanced water stop structure of basement exterior wall post-cast strip and construction method |
-
2021
- 2021-09-27 CN CN202111136710.3A patent/CN113802699A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482135A (en) * | 2022-02-21 | 2022-05-13 | 中铁十六局集团城市建设发展有限公司 | Advanced water stop structure of basement exterior wall post-cast strip and construction method |
| CN114482135B (en) * | 2022-02-21 | 2024-05-07 | 中铁十六局集团城市建设发展有限公司 | Advanced water stop structure of basement outer wall post-pouring belt and construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211217 |
|
| WW01 | Invention patent application withdrawn after publication |