CN216892893U - Basement roof post-cast strip advanced sealing pouring structure - Google Patents
Basement roof post-cast strip advanced sealing pouring structure Download PDFInfo
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- CN216892893U CN216892893U CN202220371683.1U CN202220371683U CN216892893U CN 216892893 U CN216892893 U CN 216892893U CN 202220371683 U CN202220371683 U CN 202220371683U CN 216892893 U CN216892893 U CN 216892893U
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- Prior art keywords
- post
- cast strip
- basement
- top plate
- precast slab
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- 238000007789 sealing Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000011449 brick Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000011440 grout Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 10
- 239000002689 soil Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to an advanced closed pouring structure for a post-cast strip of a basement roof, which comprises a roof, a post-cast strip, a precast slab and a grouting pipe, wherein the roof is provided with a post-cast strip cavity, the lower end of the post-cast strip cavity is provided with a template, the post-cast strip is positioned in the post-cast strip cavity, the top of the post-cast strip extends out of the post-cast strip cavity, the precast slab covers the top of the post-cast strip, the grouting pipe is installed on the precast slab and penetrates through the precast slab, and a water stop groove which penetrates through the side wall of the post-cast strip cavity and extends into the post-cast strip cavity is arranged in the roof. Increase the stagnant water groove through the interface department at roof and post-cast strip, work as roof upper surface infiltration and when permeating downwards along the interface, the stagnant water groove can play the effect of manger plate, prevents that the roof from appearing the phenomenon of leaking, improves water-proof effects.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to an advanced closed pouring structure for a post-cast strip of a top plate of an underground chamber.
Background
In the house construction, according to design and standard requirements, a post-cast strip is arranged for solving the settlement difference between a high-rise building and a skirt house, pouring can be carried out after the main structure is settled stably, the time span is long, the post-cast strip restricts the pre-construction of backfill soil, the horizontal alternate construction of an outdoor total terrace is influenced, and the construction period is seriously influenced.
CN213572062U discloses a post-cast strip assembly type advanced backfilling structure, which comprises top plates, horizontal plates, connecting sleeves, steel sleeves and a protective layer, wherein bulges are arranged at the tops of the top plates, grooves matched with the bulges are arranged at two ends of the upper parts of the horizontal plates, the grooves at two ends of the horizontal plates are respectively clamped with the bulges of the two top plates, water stop bars are arranged at the tops of the inner sides of the bulges, and glue layers are arranged on the side walls of the inner sides of the bulges; a connecting sleeve is inserted in the middle of the horizontal plate, waterproof layers are covered on the top plate and the horizontal plate, and a protective layer is arranged on the outer sides of the waterproof layers; and a post-pouring belt is arranged below the horizontal plate between the two ends of the top plate, and a template is arranged at the bottom of the post-pouring belt. The structure can meet the requirement of the front construction of the backfill soil, but the prefabricated horizontal plate is irregular in shape, large in size and weight and high in construction difficulty. In addition, after construction, a boundary exists between the side wall of the post-cast strip and the top plate, and water leakage and water seepage are easy to occur at the boundary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an advanced closed pouring structure for a post-cast strip of a top plate of an underground chamber, solve the problem that the post-cast strip restricts the pre-construction of backfill soil, and improve the waterproof effect between the post-cast strip and the top plate.
The technical scheme adopted by the utility model for solving the technical problems is as follows: basement roof post-cast strip seals pouring structure in advance, including roof, post-cast strip, prefabricated plate and grout pipe, the roof is provided with the post-cast strip chamber, the lower extreme in post-cast strip chamber is provided with the template, the post-cast strip is located the post-cast strip intracavity, and the top of post-cast strip stretches out the post-cast strip chamber, the prefabricated plate covers the top of post-cast strip, the grout pipe is installed in the prefabricated plate and is run through the prefabricated plate, is provided with the stagnant water groove that passes post-cast strip chamber lateral wall and stretch into the post-cast strip chamber in the roof.
Furthermore, brick guide walls are arranged on the upper surfaces of the top plates on the two sides of the post-cast strip, and the precast slabs are mounted on the upper portions of the brick guide walls.
And furthermore, a water-swelling water stop strip is arranged between the precast slab and the brick-built guide wall.
Furthermore, the section of the precast slab is rectangular, and the thickness of the precast slab is 100 mm.
Furthermore, the lower end of the grouting pipe is embedded in the precast slab, and a reinforcing ring is arranged on the outer wall of the lower end of the grouting pipe.
Furthermore, a reinforcing steel bar net is embedded in the precast slab.
Furthermore, a set of hanging rings is arranged on the precast slab.
Furthermore, the top of grout pipe is provided with extension butt joint cover.
Furthermore, the water stopping groove is a steel plate with two sides turned upwards.
Further, the inner diameter of the grouting pipe is 150 mm.
The utility model has the beneficial effects that: through increasing the stagnant water groove in roof and post-cast strip's interface department, when roof upper surface infiltration and when permeating downwards along the interface, the stagnant water groove can play the effect of manger plate, prevents that the roof from appearing the phenomenon of leaking, improves water-proof effects.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a prefabricated panel;
reference numerals: 1-a top plate; 2, post-pouring a strip; 3, precast slab; 4-grouting pipe; 5, a water stopping tank; 6, bricking a guide wall; 7-water swelling water stop strip; 8, reinforcing a reinforcing mesh; 9-a hoisting ring; 10-lengthening the butt joint sleeve; 11-template.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in fig. 1 and 2, the basement roof settlement post-cast strip advanced sealing pouring structure comprises a roof 1, a post-cast strip 2, a precast slab 3 and a grouting pipe 4, wherein the roof 1 is provided with a post-cast strip cavity, a template 11 is arranged at the lower end of the post-cast strip cavity, the post-cast strip 2 is positioned in the post-cast strip cavity, the top of the post-cast strip 2 extends out of the post-cast strip cavity, the precast slab 3 covers the top of the post-cast strip 2, the grouting pipe 4 is installed on the precast slab 3 and penetrates through the precast slab 3, and a water stop groove 5 which penetrates through the side wall of the post-cast strip cavity and extends into the post-cast strip cavity is arranged in the roof 1.
The top plate 1 is the top floor of the basement, the precast slab 3 is a concrete precast slab, and the precast slab can be directly installed during construction, in order to improve the strength of the precast slab 3, a reinforcing steel bar mesh 8 is pre-embedded in the precast slab 3, the reinforcing steel bar mesh 8 is composed of a plurality of mutually vertical steel bars, and two ends of each steel bar are bent to improve the stability. In order to facilitate the transportation and installation of the prefabricated plate 3, a group of lifting rings 9 are arranged on the prefabricated plate 3, and the lifting rings 9 are formed by bending steel bars. The lower end of the grouting pipe 4 is embedded in the precast slab 3, the upper end of the grouting pipe extends out of the precast slab 3, and the grouting pipe 4 is used for pouring the post-pouring belt 2. The grout pipe 4 adopts the steel pipe, and the internal diameter is 150mm, and in order to lengthen grout pipe 4, the top of grout pipe 4 is provided with extension butt joint cover 10, and extension butt joint cover 10 can be the threaded sleeve, with grout pipe 4 threaded connection. In order to enhance the connection stability between the grouting pipe 4 and the precast slab 3, a reinforcing ring is arranged on the outer wall of the lower end of the grouting pipe 4, and the reinforcing ring can be an annular steel plate welded on the outer wall of the grouting pipe 4. The water stopping groove 5 plays a role in retaining water and receiving water, and only a steel plate with two side edges turned upwards is adopted.
On the basis of the prior art, the water stopping groove 5 is additionally arranged, when water seeps from the upper surface of the top plate 1 and seeps downwards along the interface of the top plate 1 and the post-pouring belt 2, the water stopping groove 5 can play a role in retaining water, so that the water is prevented from permeating into a basement, and the waterproof effect of the top plate 1 is improved.
The precast slabs 3 may cover the top surface and the side surfaces of the top of the post-cast strip 2, and in order to reduce the volume and weight of the precast slabs 3, brick guide walls 6 are provided on the upper surfaces of the roof panels 1 on both sides of the post-cast strip 2, and the precast slabs 3 are installed on the upper portions of the brick guide walls 6. The section of the brick guide wall 6 is L-shaped, the section of the precast slab 3 is rectangular, the thickness can be 100mm, and the width is 200mm larger than that of the post-cast strip 2. And after the post-cast strip 2 is poured, the post-cast strip 2 is filled with a post-cast strip cavity, the side wall of the post-cast strip 2 outside the post-cast strip cavity is attached to the side wall of the brick guide wall 6, and the top surface of the post-cast strip 2 is attached to the lower surface of the precast slab 3.
In order to improve the waterproof effect, a water-swelling water stop strip 7 is arranged between the precast slab 3 and the brick guide wall 6, and the water-swelling water stop strip 7 can be made of water-swelling rubber.
The construction process of the basement roof settlement post-cast strip advanced sealing pouring structure comprises the following steps:
preparing a precast slab 3 in advance;
a template 11 is built on the lower surface of the top plate 1, and the lower port of the post-cast strip cavity is sealed by the template 11;
building a brick-built guide wall 6 on site, installing a precast slab 3 on the brick-built guide wall 6, and arranging a water-swelling water stop bar 7 between the brick-built guide wall 6 and the precast slab 3;
constructing a waterproof layer, wherein the waterproof layer covers the prefabricated slab 3, the brick guide wall 6 and the upper surface of the top plate 1 around the brick guide wall 6;
backfilling the backfilled soil, wherein the length of the grouting pipe 4 can be increased by lengthening the butting sleeve 10 according to the height of the backfilled soil, so that the upper port of the grouting pipe 4 is higher than the surface of the backfilled soil;
and when the settlement of the main building and the skirt building is stable, injecting the self-compacting micro-expansion impervious concrete into the cavity of the post-cast strip through the grouting pipe 4, compacting by using an inserted vibrating rod, and obtaining the post-cast strip 2 after the strength of the self-compacting micro-expansion impervious concrete meets the requirement.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Basement roof subsides early closed pouring structure of post-cast strip, including roof (1), post-cast strip (2), prefabricated plate (3) and grout pipe (4), roof (1) is provided with the post-cast strip chamber, the lower extreme in post-cast strip chamber is provided with template (11), post-cast strip (2) are located the post-cast strip intracavity, and the top in post-cast strip (2) stretches out the post-cast strip chamber, the top in prefabricated plate (3) cover post-cast strip (2), grout pipe (4) are installed in prefabricated plate (3) and are run through prefabricated plate (3), its characterized in that: a water stop groove (5) which penetrates through the side wall of the post-cast strip cavity and extends into the post-cast strip cavity is arranged in the top plate (1).
2. The advanced sealing pouring structure of the top plate settlement post-cast strip of the basement as claimed in claim 1, wherein: and brick guide walls (6) are arranged on the upper surfaces of the top plates (1) on the two sides of the post-pouring belt (2), and the prefabricated plates (3) are installed on the upper portions of the brick guide walls (6).
3. The advanced sealing pouring structure of the top plate settlement post-cast strip of the basement as claimed in claim 2, wherein: and a water-swelling water stop strip (7) is arranged between the precast slab (3) and the brick guide wall (6).
4. The advanced closed pouring structure of the settlement post-pouring belt of the top plate of the basement as claimed in claim 2 or 3, characterized in that: the section of the precast slab (3) is rectangular, and the thickness is 100 mm.
5. The advanced sealing pouring structure of the top plate settlement post-cast strip of the basement as claimed in claim 1, wherein: the lower end of the grouting pipe (4) is embedded in the precast slab (3), and a reinforcing ring is arranged on the outer wall of the lower end of the grouting pipe (4).
6. The advanced sealing pouring structure of the top plate settlement post-cast strip of the basement as claimed in claim 1, wherein: and a reinforcing steel bar net (8) is embedded in the precast slab (3).
7. The advanced closed pouring structure of the settlement post-cast strip of the top plate of the basement as claimed in claim 1, characterized in that: the precast slab (3) is provided with a group of lifting rings (9).
8. The advanced sealing pouring structure of the top plate settlement post-cast strip of the basement as claimed in claim 1, wherein: the top of the grouting pipe (4) is provided with a lengthened butting sleeve (10).
9. The advanced sealing pouring structure of the top plate settlement post-cast strip of the basement as claimed in claim 1, wherein: the water stopping groove (5) is a steel plate with two sides turned upwards.
10. The advanced closed pouring structure of the settlement post-cast strip of the top plate of the basement as claimed in claim 1, characterized in that: the inner diameter of the grouting pipe (4) is 150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371683.1U CN216892893U (en) | 2022-02-21 | 2022-02-21 | Basement roof post-cast strip advanced sealing pouring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220371683.1U CN216892893U (en) | 2022-02-21 | 2022-02-21 | Basement roof post-cast strip advanced sealing pouring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892893U true CN216892893U (en) | 2022-07-05 |
Family
ID=82185696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220371683.1U Active CN216892893U (en) | 2022-02-21 | 2022-02-21 | Basement roof post-cast strip advanced sealing pouring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216892893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084456A (en) * | 2023-02-17 | 2023-05-09 | 四川童燊防水工程有限公司 | A waterproof plugging construction technology of post-pouring belt in basement |
-
2022
- 2022-02-21 CN CN202220371683.1U patent/CN216892893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116084456A (en) * | 2023-02-17 | 2023-05-09 | 四川童燊防水工程有限公司 | A waterproof plugging construction technology of post-pouring belt in basement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 350, Renmin Street, East District, Panzhihua City, Sichuan Province, 617099 Patentee after: CHINA 19TH METALLURGICAL GROUP Co.,Ltd. Address before: 617099 China 19th Metallurgical Group Co.,Ltd., Bingcaogang, East District, Panzhihua City, Sichuan Province Patentee before: CHINA 19TH METALLURGICAL GROUP Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |