CN209989847U - Shear force wall post-cast strip prefabricated plate closing device - Google Patents
Shear force wall post-cast strip prefabricated plate closing device Download PDFInfo
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- CN209989847U CN209989847U CN201920068636.8U CN201920068636U CN209989847U CN 209989847 U CN209989847 U CN 209989847U CN 201920068636 U CN201920068636 U CN 201920068636U CN 209989847 U CN209989847 U CN 209989847U
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Abstract
The utility model discloses a shear force wall post-cast strip prefabricated plate closing device. The shear wall post-cast strip precast slab closing device comprises a precast slab arranged on one side of the shear wall post-cast strip and used for blocking the shear wall post-cast strip, and a template arranged on the other side of the shear wall post-cast strip; the precast slab is a precast slab with a water stop screw rod, and the water stop screw rod penetrates through a pouring area of the rear pouring belt of the shear wall and is fixedly connected with the template; and a waterproof layer is arranged on the outer side of the prefabricated slab. The utility model discloses a closing means construction is simple and convenient, and but prefabricated plate batch production preparation, is showing and has improved the efficiency of construction.
Description
Technical Field
The utility model relates to a shear force wall post-cast strip prefabricated plate closing device belongs to post-cast strip construction field.
Background
The post-cast strip is sealed for a certain period of time, the post-cast strip shrinks for at least more than 2 months, the post-cast strip concrete can be poured after the main body structure is finished after the post-cast strip subsides, the required time is longer, the post-cast strip cannot be sealed for a long time, and certain difficulty is brought to construction progress and site secondary arrangement.
The Chinese utility model patent publication No. CN203878624U discloses a basement outer shear wall post-cast strip plugging structure, which comprises an outer shear wall, wherein a post-cast strip is reserved on the outer shear wall, the post-cast strip is arranged along the height direction of the outer shear wall, and wall body reinforcing steel bars passing through the post-cast strip are arranged in the outer shear wall; the prefabricated slab is plugged on the post-pouring belt at the outer side of the outer shear wall along the height direction of the outer shear wall, and a steel bar ring is embedded on the inner side surface of the prefabricated slab, which is opposite to the post-pouring belt; and the connecting steel bars are fixedly connected with the steel bar rings and the wall body steel bars respectively.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shear force wall post-cast strip prefabricated plate closing device, this closing device construction is simple and convenient, and but prefabricated plate batch production preparation can show improvement efficiency of construction.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
a shear wall post-cast strip precast slab closing device is structurally characterized by comprising a precast slab arranged on one side of a shear wall post-cast strip and used for blocking the shear wall post-cast strip, and a template arranged on the other side of the shear wall post-cast strip;
the precast slab is a precast slab with a water stop screw rod, and the water stop screw rod penetrates through a pouring area of the rear pouring belt of the shear wall and is fixedly connected with the template;
and a waterproof layer is arranged on the outer side of the prefabricated slab.
Therefore, the precast slabs with the water stop screws can be conveniently fixed to form a pouring area of the shear wall post-pouring belt, half of templates are omitted, and the construction efficiency is greatly improved.
According to the utility model discloses an embodiment, can also be right the utility model discloses do further optimization, following for optimizing the technical scheme who forms afterwards:
in order to better fix the template, a steel pipe is arranged on the outer side of the template, and the template and the steel pipe are separated by battens; and the water stop screw penetrates through the template and is fixedly connected with the steel pipe.
In order to fix the template before the prefabricated slab is installed, an embedded water-stopping bolt extending towards one side of the template relative to the wall surface is embedded in the end part of the shear wall, and the extending section of the embedded water-stopping bolt is fixed on the steel pipe.
In order to improve the water stopping effect, a water stopping plate with a part extending into a pouring area of the shear wall post-pouring belt is pre-buried at the end part of the shear wall, the water stopping plate extends vertically, and the left end part and the right end part of the water stopping plate are bent towards one side of the precast slab.
Preferably, the water stop screws are provided with a plurality of water stop screws, and one end of each water stop screw is fixedly connected with the embedded steel bars in the prefabricated slab.
Preferably, a mortar leveling layer is arranged between the outer side surface of the precast slab and the waterproof layer.
Preferably, a waterproof protective layer is arranged outside the waterproof layer.
And after the post-cast strip is poured, the shear wall and the precast slab with the water stop screw rod are fixed together by concrete in the pouring area of the post-cast strip of the shear wall.
The precast slabs for blocking the post-cast strip of the shear wall are provided with a plurality of blocks, and two adjacent precast slabs are arranged up and down.
By means of the structure, in the original water stop screw cutting process of the outer shear wall, a row of water stop screws closest to the post-cast strip are reserved on the inner side of each side of the post-cast strip part and cannot be cut off, and the water stop screws of the same shear wall are pre-buried in advance in the manufacturing process of the precast slab. The periphery of a post-cast strip is cleaned before the prefabricated plate with the water-stopping screw rod is installed, the prefabricated plate is installed by a tower crane, the installation height needs to be noticed during installation, the prefabricated plate is installed in a segmented mode and fixed, a leveling layer, a waterproof and waterproof protective layer is made after the prefabricated plate is installed, and earth is filled back in time. When the post-cast strip can be closed after meeting the standard and design requirements, the inner template is reinforced by the water stop screws left at two sides of the post-cast strip and the water stop screws on the prefabricated plates, and concrete is poured according to the requirements after the reinforcement inspection is qualified.
The utility model discloses before the normal closure of basement shear force wall post-cast strip, adopt the prefabricated plate shutoff shear force wall post-cast strip of taking the water stop screw rod, the prefabricated plate adopts factory's preparation, on-the-spot tower crane installation, does waterproof in the prefabricated plate outside again, then carries out the earthwork and backfills the construction, and the stagnant water screw rod that the prefabricated plate was taken and the stagnant water screw rod that former outer wall was reserved are used for the fixed use of post-cast strip inside template installation.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the construction is simple and convenient, can carry out basement outer wall earthwork in advance and backfill, guarantees the requirement of arranging in construction period and secondary place.
2. The prefabricated plate can be manufactured in an industrial mode, and the tower crane can be installed on site in cooperation with manual work, so that the labor intensity of workers can be reduced, and the labor efficiency can be improved.
3. Adopt the prefabricated plate of taking the stagnant water screw rod to carry out the outside shutoff of post-cast strip, reserve the entrance to a cave than the usual brickwork that adopts, the construction quality in post-cast strip more can be guaranteed in later stage installation outside template reconstruction, more can guarantee the safety of work progress, more can practice thrift the construction cost in post-cast strip, more can guarantee the engineering construction progress.
4. Application scope is wide, the utility model is suitable for an all newly-built engineering post-cast strip can not be in advance confined basement engineering.
Drawings
FIG. 1 is a front view of a prefabricated panel according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of an installation of an embodiment of the present invention;
fig. 4 is a schematic view of the post-cast strip formwork installation according to an embodiment of the present invention.
In the figure
1-reinforcing steel bars; 2-water stop screw; 3-water stop plate; 4-angle steel; 5-post-pouring the strip; 6, precast slab; 7-leveling the mortar layer; 8-waterproof layer; 9-waterproof protective layer; 10-embedding a water stop bolt; 11-flitch; 12-a template; 13-steel pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
A shear wall post-cast strip precast slab closing device comprises a precast slab 6 and a template 12, wherein the precast slab 6 is arranged on one side of a shear wall post-cast strip and used for blocking the shear wall post-cast strip 5, and the template 12 is arranged on the other side of the shear wall post-cast strip. The precast slab 6 is a precast slab with a water stop screw 2, and the water stop screw 2 penetrates through a pouring area of the shear wall post-pouring belt 5 and is fixedly connected with the template 12. As shown in fig. 4, a steel pipe 13 is arranged on the outer side of the template 12, and the template 12 and the steel pipe 13 are separated by a batten 11; the water stop screw rod 2 penetrates through the template 12 and is fixedly connected with the steel pipe 13. An embedded water-stopping bolt 10 extending to one side of the template 12 relative to the wall surface is embedded in the end part of the shear wall, and the extending section of the embedded water-stopping bolt 10 is fixed on the steel pipe 13. After pouring, the shear wall and the precast slab 6 with the water stop screw 2 are fixed together by concrete in the pouring area of the shear wall post-pouring belt 5. The precast slabs 6 for plugging the shear wall post-cast strip 5 are provided with a plurality of precast slabs, and two adjacent precast slabs 6 are arranged up and down.
As shown in fig. 3 and 4, a water stop plate 3, part of which extends into a pouring area of the shear wall post-pouring strip 5, is embedded in the end of the shear wall, the water stop plate 3 extends vertically, and the left end and the right end of the water stop plate are bent towards one side of a precast slab 6.
As shown in fig. 3, a waterproof layer 8 is arranged on the outer side of the prefabricated panel 6. And a mortar leveling layer 7 is arranged between the outer side surface of the precast slab 6 and the waterproof layer 8. And a waterproof protective layer 9 is arranged outside the waterproof layer 8.
As shown in fig. 1 and 2, the water-stopping screws 2 are provided with a plurality of water-stopping screws, and one end of each water-stopping screw 2 is fixedly connected with the embedded steel bar 1 in the precast slab 6.
The sealing construction principle of the precast slab of the basement outer shear wall post-cast strip in the embodiment is that before the basement shear wall post-cast strip 5 is normally sealed, a precast slab 6 with a water stop screw is adopted to seal the shear wall post-cast strip 5, the precast slab is manufactured in a factory and installed by a tower crane manually matched on site, a waterproof layer with design requirements is made on the outer side of the precast slab, then earthwork backfilling construction is carried out, and a water stop screw rod carried by the precast slab and a water stop screw rod reserved for an original outer shear wall are used for installing and fixing a template on the inner side of the post-cast strip 5, so that the quality of the post-cast strip.
The prefabricated slab with the water stop screw can be manufactured in a factory or processed on site, steel bars of a bottom plate of the prefabricated slab are bound, the water stop screw and reinforced steel bars of the bottom plate are welded, the welding length and the welding quality meet the standard requirements, then a side mold of the prefabricated slab is installed according to the requirements, C25 concrete is poured, and the prefabricated slab is maintained according to the requirements. The width of the post-cast strip 5 is generally 800mm, the prefabricated plate with the water stop screw is 1000mm multiplied by 500mm multiplied by 120mm, and the weight of each block is about 150 kg.
The prefabricated slab with the water stop screw can be transported and installed after reaching the strength, the prefabricated slab is installed by adopting a tower crane and manual matching, the prefabricated slab is installed along the rear pouring belt 5 of the shear wall on the outer side of the basement from bottom to top one by one, 5mm thick cement slurry is smeared between every two prefabricated slabs, 5mm thick cement slurry is smeared on each 120mm width of the shear walls on two sides of the rear pouring belt 5, then the prefabricated slab is installed, the water stop screw on the prefabricated slab is fixed with ∠ 50 multiplied by 5 angle steel or steel pipe in a pulling mode on the inner side, and the installation height is determined according to the.
And after the post-cast strip 5 reaches the design requirement, cleaning the post-cast strip 5, reinforcing the templates on the inner side by the water stop screw rods on the prefabricated plate 6 with the water stop screw rods and the screw rods left on two sides of the post-cast strip 5, and checking and adjusting the flatness, the verticality and the like of the templates. And after the casting is qualified, casting the concrete of the post-cast strip 5.
When the concrete of the post-cast strip 5 is poured, the template and the steel bar of the post-cast strip 5 are qualified through inspection, the concrete strength and the impermeability grade of the post-cast strip 5 are according to the design requirements, and the concrete pouring and the vibration of the post-cast strip 5 must be in place so as to avoid the concrete quality defect.
Before the basement shear wall post-cast strip 5 is normally closed, a precast slab 6 with a water stop screw is adopted to block the shear wall post-cast strip 5, the precast slab is manufactured in a factory and installed by a tower crane on site, water is prevented from being produced on the outer side of the precast slab, then earthwork backfilling construction is carried out, and the water stop screw on the precast slab and the water stop screw reserved on the original outer wall are used for installing and fixing a template on the inner side of the post-cast strip 5.
The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.
Claims (7)
1. A shear wall post-cast strip precast slab closing device is characterized by comprising a precast slab (6) arranged on one side of a shear wall post-cast strip and used for blocking a shear wall post-cast strip (5), and a template (12) arranged on the other side of the shear wall post-cast strip;
the precast slab (6) is a precast slab with a water stop screw (2), and the water stop screw (2) penetrates through a pouring area of the shear wall post-pouring belt (5) and is fixedly connected with the template (12);
a waterproof layer (8) is arranged on the outer side of the precast slab (6);
a steel pipe (13) is arranged on the outer side of the template (12), and the template (12) is separated from the steel pipe (13) through a batten (11); the water stopping screw rod (2) penetrates through the template (12) and is fixedly connected with the steel pipe (13);
an embedded water stop bolt (10) extending towards one side of the template (12) relative to the wall surface is embedded in the end portion of the shear wall, and the extending section of the embedded water stop bolt (10) is fixed on the steel pipe (13).
2. The shear wall post-cast strip precast slab closing device according to claim 1, characterized in that a water stop plate (3) with a part extending into a pouring area of the shear wall post-cast strip (5) is embedded at the end of the shear wall, the water stop plate (3) extends vertically, and the left and right ends are bent towards one side of the precast slab (6).
3. A shear wall post-cast strip precast slab closing device according to claim 1 or 2, characterized in that the number of the water stop screws (2) is multiple, and one end of each water stop screw (2) is fixedly connected with the embedded steel bar (1) in the precast slab (6).
4. A shear wall post-cast strip precast slab closing device according to claim 1 or 2, characterized in that a mortar troweling layer (7) is provided between the outer side surface of the precast slab (6) and the waterproof layer (8).
5. A shear wall post-cast strip precast slab closing device according to claim 1 or 2, characterized in that a waterproof protective layer (9) is provided outside the waterproof layer (8).
6. A shear wall post-cast strip precast slab closing device according to claim 1 or 2, characterized in that concrete in the casting area of the shear wall post-cast strip (5) fixes the shear wall, precast slabs (6) with water stop screws (2) together.
7. A shear wall post-cast strip precast slab closing device according to claim 1 or 2, characterized in that, a plurality of precast slabs (6) for blocking the shear wall post-cast strip (5) are arranged above and below two adjacent precast slabs (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068636.8U CN209989847U (en) | 2019-01-16 | 2019-01-16 | Shear force wall post-cast strip prefabricated plate closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920068636.8U CN209989847U (en) | 2019-01-16 | 2019-01-16 | Shear force wall post-cast strip prefabricated plate closing device |
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| CN209989847U true CN209989847U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920068636.8U Active CN209989847U (en) | 2019-01-16 | 2019-01-16 | Shear force wall post-cast strip prefabricated plate closing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047460A (en) * | 2021-03-29 | 2021-06-29 | 中信国安建工集团有限公司 | Post-cast strip structure and construction method |
| CN115198806A (en) * | 2022-07-18 | 2022-10-18 | 中国二十二冶集团有限公司 | Underground wall post-cast strip template reinforcing and installing construction method |
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2019
- 2019-01-16 CN CN201920068636.8U patent/CN209989847U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047460A (en) * | 2021-03-29 | 2021-06-29 | 中信国安建工集团有限公司 | Post-cast strip structure and construction method |
| CN113047460B (en) * | 2021-03-29 | 2023-02-03 | 中信国安建工集团有限公司 | Post-cast strip structure and construction method |
| CN115198806A (en) * | 2022-07-18 | 2022-10-18 | 中国二十二冶集团有限公司 | Underground wall post-cast strip template reinforcing and installing construction method |
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