CN217267590U - Prefabricated water-resistant pressing plate structure under post-cast strip of basement raft - Google Patents
Prefabricated water-resistant pressing plate structure under post-cast strip of basement raft Download PDFInfo
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- CN217267590U CN217267590U CN202220769159.XU CN202220769159U CN217267590U CN 217267590 U CN217267590 U CN 217267590U CN 202220769159 U CN202220769159 U CN 202220769159U CN 217267590 U CN217267590 U CN 217267590U
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Abstract
The utility model belongs to the technical field of the construction of building foundation engineering, especially, relate to a prefabricated water-resistant clamp plate structure in basement raft board post-cast strip. A cushion layer is arranged in an inverted trapezoidal groove excavated in the basement raft plate, a galvanized steel plate is arranged at the upper end of the cushion layer, and asphalt waterproof coiled materials are arranged on the surface of the galvanized steel plate; protective layers are arranged on the ear edges at the two sides of the upper end of the asphalt waterproof coiled material; a steel bar cage is arranged at the upper end of the protective layer in a crossing manner; a pair of side arc-shaped cages are arranged on two sides inside a central groove area of a post-cast strip at the lower end of the middle of the steel bar cage, and a central arc-shaped cage is connected between the two side arc-shaped cages; a cushion seat is arranged in the middle of the bottom of the central groove area of the post-pouring belt, and a secondary drainage seat is fixed at the upper end of the cushion seat. It is at traditional basement raft board post-cast strip internally mounted prefabricated galvanized steel sheet, can effectually resist water pressure, can guarantee the stability of post-cast strip water pressure resistant structure again betterly simultaneously, reduces the construction degree of difficulty.
Description
Technical Field
The utility model belongs to the technical field of the construction of building foundation engineering, especially, relate to a prefabricated water-resistant clamp plate structure in basement raft board post-cast strip.
Background
The basement raft is a building foundation structure which is integrally formed by a bottom plate, a beam and the like and used for bearing the load of a building, can well resist the uneven settlement of a foundation and ensure the building stability. The post-cast strip lower anti-water pressure structure is characterized in that in a building construction area with a higher water level, in order to prevent the sudden surge of underground water level from permeating into a post-cast strip, a reinforced concrete structure arranged in advance under the post-cast strip is reserved at corresponding positions of a bottom plate, a wall and a beam with a higher water level according to design or construction specification requirements, and finally, pouring is carried out. When the raft foundation is cast, particularly when the raft foundation with a large area is constructed, a post-cast strip hydraulic pressure resistant structure also needs to be arranged.
The existing basement raft foundation post-cast strip water pressure resisting construction method is that a groove is dug in advance during raft foundation construction, raft foundations are arranged on two sides of the upper portion of a groove space, and a foundation cushion layer and a reinforced concrete structure are arranged on the bottom surface of the groove space. The raft foundation post-cast strip water compression resistant structure with the structure can play a role in resisting underground water pressure. However, in large-scale buildings, the water pressure resisting structure of the raft foundation post-cast strip has huge engineering quantity, long steel bar binding and concrete pouring periods, and the quality of concrete poured in narrow and small spaces is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
Aiming at solving the defects and the deficiency problems of the prior art; the utility model aims at providing a prefabricated water-resistant pressing plate structure under the post-cast strip of the raft plate of the basement, which has simple structure, reasonable design and convenient use, and the prefabricated galvanized steel plate is arranged inside the post-cast strip of the traditional raft plate of the basement, thereby effectively resisting water pressure, simultaneously better ensuring the stability of the water-resistant structure of the post-cast strip and reducing the construction difficulty; and a secondary drainage structure is added inside the post-cast strip, so that the water seepage risk is reduced.
In order to achieve the purpose, the utility model adopts the technical proposal that: the waterproof steel plate comprises a cushion layer, a galvanized steel plate, an asphalt waterproof coiled material, a protective layer, a steel bar cage, a post-cast strip side pouring area, a post-cast strip central groove area, a water stop steel plate, a side arc-shaped cage, a central arc-shaped cage, a cushion seat and a secondary drainage seat; a cushion layer is arranged in an inverted trapezoidal groove excavated by the basement raft plate, a galvanized steel plate is arranged at the upper end of the cushion layer, and asphalt waterproof coiled materials are arranged on the surface of the galvanized steel plate; protective layers are arranged on the ear edges at the two sides of the upper end of the asphalt waterproof coiled material; a steel bar cage is arranged at the upper end of the protective layer in a crossing manner; a pair of side arc-shaped cages are arranged on two sides inside a central groove area of a post-cast strip at the lower end of the middle of the steel bar cage, and a central arc-shaped cage is connected between the two side arc-shaped cages; the middle of the bottom of the central groove area of the post-cast strip is provided with a cushion seat, and the upper end of the cushion seat is fixed with a secondary drainage seat.
Preferably, the side arc-shaped cages and the central arc-shaped cage are of a stacked structure, two ends of each side arc-shaped cage are welded on the galvanized steel plate, two ends of each central arc-shaped cage are welded between the two sets of side arc-shaped cages, and the top ends of the central arc-shaped cages are connected with the bottoms of the steel bar cages.
Preferably, the protective layer is only paved at the lower end of the casting area at the post-cast strip side.
Preferably, the cushion layer, the galvanized steel plate and the asphalt waterproof coiled material keep the same structure with the inverted trapezoidal groove excavated in the basement raft.
Preferably, the secondary drainage seats are arranged at intervals of 3-5 meters, and are communicated with each other through a pipeline for secondary drainage.
After the structure is adopted, the utility model discloses beneficial effect does: the prefabricated galvanized steel plate is arranged in the post-cast strip of the traditional basement raft plate, so that the water pressure can be effectively resisted, the stability of the post-cast strip in a water pressure resisting structure can be better ensured, and the construction difficulty is reduced; and a secondary drainage structure is added inside the post-cast strip, so that the water seepage risk is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
description of the reference numerals: the water-proof asphalt waterproof structure comprises a cushion layer 1, a galvanized steel sheet 2, an asphalt waterproof coiled material 3, a protective layer 4, a steel bar cage 5, a post-cast strip side pouring area 6, a post-cast strip central groove area 7, a water-stopping steel sheet 8, a side arc-shaped cage 9, a central arc-shaped cage 10, a pad seat 11 and a secondary drainage seat 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
Referring to fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: the waterproof asphalt waterproof coiled material comprises a cushion layer 1, galvanized steel sheets 2, asphalt waterproof coiled materials 3, a protective layer 4, a steel bar cage 5, a post-cast strip side pouring area 6, a post-cast strip central groove area 7, a water stop steel sheet 8, a side arc-shaped cage 9, a central arc-shaped cage 10, a pad seat 11 and a secondary drainage seat 12; a cushion layer 1 is arranged in an inverted trapezoidal groove excavated by the basement raft plate, a galvanized steel plate 2 is arranged at the upper end of the cushion layer 1, and asphalt waterproof coiled materials 3 are arranged on the surface of the galvanized steel plate 2; protective layers 4 are arranged on the ear edges at the two sides of the upper end of the asphalt waterproof coiled material 3; a steel bar cage 5 is arranged at the upper end of the protective layer 4 in a crossing manner; a pair of side arc-shaped cages 9 is arranged on two sides inside the central groove area 7 of the post-cast strip at the lower end of the middle of the steel bar cage 5, and a central arc-shaped cage 10 is connected between the arc-shaped cages 9 on the two sides; the middle of the bottom of the central groove area 7 of the post-cast strip is provided with a cushion seat 11, and the upper end of the cushion seat 11 is fixed with a secondary drainage seat 12.
Wherein, side arc cage 9, central arc cage 10 heap structure, the welding of side arc cage 9 both ends is on galvanized steel sheet 2, the welding of central arc cage 10 both ends is in the middle of two sets of side arc cages 9, and the top of central arc cage 10 keeps being connected with reinforcing bar cage 5 bottoms.
In addition, the protective layer 4 is only paved at the lower end of the post-cast strip side pouring area 6; the cushion layer 1, the galvanized steel sheet 2 and the asphalt waterproof coiled material 3 keep the same structure with an inverted trapezoidal groove dug by the basement raft plate; the secondary drainage seats 12 are arranged at intervals of 3-5 meters and communicated with each other through a pipeline for secondary drainage.
The working principle of the specific embodiment is as follows: 1. determining the position of a raft foundation post-cast strip, and excavating foundation earthwork at the design position of the raft foundation post-cast strip to ensure that a foundation cushion layer is recessed along the length direction of the post-cast strip to form a groove with an inverted trapezoidal cross section; the bottom surface of the groove is smooth;
2. pouring a cushion layer 1;
3. putting the prefabricated galvanized steel sheet 2 into the groove, and connecting the galvanized steel sheet 2 in an electric welding full welding mode;
4. paving a waterproof coiled material 3 on the galvanized steel sheet 2;
5. pouring a waterproof coiled material protective layer 4;
6. binding a reinforcement cage 5 on the raft, and placing a water-stop steel plate 8;
7. and firstly pouring concrete on two sides of the post-cast strip, and then pouring concrete in the post-cast strip after the structure is stable.
The beneficial effects of the specific implementation mode are as follows: the prefabricated galvanized steel plate is arranged in the post-cast strip of the traditional basement raft plate, so that the water pressure can be effectively resisted, and meanwhile, the stability of the water pressure resisting structure of the post-cast strip can be better ensured; and a secondary drainage structure is added inside the post-cast strip, so that the water seepage risk is reduced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Claims (5)
1. The utility model provides a prefabricated water-resistant clamp plate structure in basement raft post-cast strip which characterized in that: the waterproof steel plate comprises a cushion layer (1), galvanized steel plates (2), asphalt waterproof coiled materials (3), a protective layer (4), a steel bar cage (5), a post-cast strip side pouring area (6), a post-cast strip central groove area (7), a water stop steel plate (8), a side arc-shaped cage (9), a central arc-shaped cage (10), a pad seat (11) and a secondary drainage seat (12); a cushion layer (1) is arranged in an inverted trapezoidal groove excavated in the basement raft plate, a galvanized steel plate (2) is arranged at the upper end of the cushion layer (1), and an asphalt waterproof coiled material (3) is arranged on the surface of the galvanized steel plate (2); protective layers (4) are arranged on the ear edges at the two sides of the upper end of the asphalt waterproof coiled material (3); a steel bar cage (5) is arranged at the upper end of the protective layer (4) in a crossing manner; a pair of side arc-shaped cages (lower 9) are arranged on two sides inside a central groove area (7) of a post-cast strip at the lower end of the middle of the steel bar cage (5), and a central arc-shaped cage (10) is connected between the arc-shaped cages (9) on the two sides; the middle of the bottom of the central groove area (7) of the post-cast strip is provided with a cushion seat (11), and the upper end of the cushion seat (11) is fixed with a secondary drainage seat (12).
2. The prefabricated water-resistant pressure plate structure under basement raft post-cast strip of claim 1, characterized in that: side arc cage (9), central arc cage (10) heap structure, welding on galvanized steel sheet (2) in side arc cage (9) both ends, welding in the middle of two sets of side arc cages (9) in central arc cage (10) both ends, and the top and the reinforcing bar cage (5) bottom of central arc cage (10) keep being connected.
3. The prefabricated water-resistant pressure plate structure under basement raft post-cast strip of claim 1, characterized in that: the protective layer (4) is only paved at the lower end of the post-cast strip side pouring area (6).
4. The prefabricated water-resistant pressure plate structure under basement raft post-cast strip of claim 1, characterized in that: the structure of the cushion layer (1), the galvanized steel plate (2), the asphalt waterproof coiled material (3) and the inverted trapezoidal groove excavated by the basement raft keep the same structure.
5. The prefabricated water-resistant pressure plate structure under basement raft post-cast strip of claim 1, characterized in that: the secondary drainage seats (12) are arranged at intervals of 3-5 meters and communicated with each other through a pipeline for secondary drainage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769159.XU CN217267590U (en) | 2022-04-02 | 2022-04-02 | Prefabricated water-resistant pressing plate structure under post-cast strip of basement raft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220769159.XU CN217267590U (en) | 2022-04-02 | 2022-04-02 | Prefabricated water-resistant pressing plate structure under post-cast strip of basement raft |
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| Publication Number | Publication Date |
|---|---|
| CN217267590U true CN217267590U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220769159.XU Active CN217267590U (en) | 2022-04-02 | 2022-04-02 | Prefabricated water-resistant pressing plate structure under post-cast strip of basement raft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217267590U (en) |
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2022
- 2022-04-02 CN CN202220769159.XU patent/CN217267590U/en active Active
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