CN216475131U - Precipitation well block structure - Google Patents
Precipitation well block structure Download PDFInfo
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- CN216475131U CN216475131U CN202122692130.4U CN202122692130U CN216475131U CN 216475131 U CN216475131 U CN 216475131U CN 202122692130 U CN202122692130 U CN 202122692130U CN 216475131 U CN216475131 U CN 216475131U
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Abstract
The utility model provides a plugging structure of a precipitation well, which comprises a cushion layer paved on the bottom surface of a foundation pit, wherein the cushion layer surrounds the outside of the precipitation well pipe, the plugging structure also comprises a steel pipe wrapped outside the precipitation well pipe, the cushion layer is connected with the steel pipe, the steel pipe is also connected with a water filtering well pipe, the upper end of the steel pipe is covered with a steel cover plate, and a capping layer is covered on the steel cover plate; the plugging structure further comprises a waterproof layer which covers the cushion layer and surrounds the outside of the steel pipe, the waterproof layer comprises a horizontal layer vertical to the steel pipe and a wrapping layer wrapping the outside of the steel pipe, and the horizontal layer covers the cushion layer. The utility model improves the leakage-proof performance of the bottom surface of the foundation pit and the contact between the steel pipe and the lower water filtering well pipe, and simultaneously, the sealing cover layer is arranged above the steel cover plate, thereby further improving the leakage-proof performance of the upper end of the precipitation well pipe and finally reducing the water leakage risk of the whole sealing structure.
Description
Technical Field
The utility model relates to the technical field of dewatering well construction assistance, in particular to a dewatering well plugging structure.
Background
Dewatering wells are often used in foundation pit dewatering systems of residential buildings such as deep foundation pits and public buildings. The dewatering well has the functions of preventing the water seepage of the broken surface and the base of the foundation pit, increasing the stability of the side slope and the slope bottom, reducing the water content of the soil body, improving the consolidation degree of the soil body and the like.
The dewatering well in the prior art generally comprises a water filtering well pipe arranged in the bottom surface of a foundation pit and a dewatering well pipe arranged above the bottom surface of the foundation pit, and the dewatering well is required to be plugged (namely the dewatering well pipe is plugged) after the foundation pit dewatering is finished. In the prior art, a steel pipe is generally sleeved at the upper end of a precipitation well pipe, and then a steel plate is welded on the steel pipe to plug the precipitation well pipe, but the water leakage risk still exists.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a plugging structure of a dewatering well, which solves the problem of water leakage risk in the prior art of plugging of dewatering wells.
According to the embodiment of the utility model, the plugging structure of the precipitation well comprises a cushion layer laid on the bottom surface of a foundation pit, wherein the cushion layer surrounds the outside of the precipitation well, the plugging structure also comprises a steel pipe wrapped outside the precipitation well, the cushion layer is connected with the steel pipe, the steel pipe is also connected with a water filtration well pipe, a steel cover plate covers the upper end of the steel pipe, and a capping layer covers the steel cover plate;
the plugging structure further comprises a waterproof layer which covers the cushion layer and surrounds the outside of the steel pipe, the waterproof layer comprises a horizontal layer vertical to the steel pipe and a wrapping layer wrapping the outside of the steel pipe, and the horizontal layer covers the cushion layer.
In the above embodiment, the waterproof layer is arranged on the cushion layer and connected with the steel pipe, so as to cover the joint of the steel pipe and the lower water filtration well pipe, thereby preventing water leakage at the joint and other positions on the bottom surface of the foundation pit, and meanwhile, the steel cover plate and the sealing layer are arranged at the upper end of the steel pipe, so as to strengthen the sealing of the upper end of the precipitation well pipe and improve the leakage-proof performance of the whole sealing structure.
Further, the steel pipe is fixedly connected with a steel ring plate, and the steel cover plate is fixedly connected with the steel ring plate.
Further, the covering layer is a first concrete layer, and the outer edge of the first concrete layer covers the steel ring plate.
Furthermore, a cement slurry layer is covered on the waterproof layer and connected with the outer wall of the steel pipe.
Furthermore, an annular table is arranged on the inner wall of the upper end of the water filtering well pipe in a concave mode, and the lower end of the steel pipe is clamped into the annular table.
Further, the steel cover plate, the steel pipe and the steel ring plate are all welded in fixed connection.
Furthermore, the plugging structure further comprises a second concrete layer which covers the bottom surface of the foundation pit and wraps the waterproof layer, the cement paste layer, the steel pipe and the steel ring plate, and the second concrete layer surrounds the outside of the first concrete layer.
Compared with the prior art, the utility model has the following beneficial effects:
the waterproof layer that sets up contacts steel pipe and drainage well pipe, other positions of foundation ditch bottom surface cover, have improved the leak protection performance that foundation ditch bottom surface and steel pipe and below drainage well pipe contacted, still set up the capping layer simultaneously above the steel sheathing, have further improved the leak protection performance of precipitation well pipe upper end, have finally reduced the risk of leaking of whole block structure.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
in the above drawings:
the foundation pit comprises a foundation pit bottom surface 1, a cushion layer 2, a precipitation well pipe 3, a steel pipe 4, a water filtering well pipe 5, a steel cover plate 6, a waterproof layer 7, a horizontal layer 8, a wrapping layer 9, a steel annular plate 10, a first concrete layer 11, a second concrete layer 12 and a cement slurry layer 13.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
As shown in fig. 1, the embodiment provides a plugging structure of a precipitation well, which includes a cushion layer 2 laid on a bottom surface 1 of a foundation pit, wherein the cushion layer 2 surrounds a precipitation well pipe 3, the plugging structure further includes a steel pipe 4 wrapped outside the precipitation well pipe 3, the cushion layer 2 is connected with the steel pipe 4, the steel pipe 4 is further connected with a water filtration well pipe 5, a steel cover plate 6 is covered on an upper end of the steel pipe 4, and a capping layer is covered on the steel cover plate 6;
the plugging structure further comprises a waterproof layer 7 which covers the cushion layer 2 and surrounds the steel pipe 4, wherein the waterproof layer 7 comprises a horizontal layer 8 perpendicular to the steel pipe 4 and a wrapping layer 9 wrapping the steel pipe 4, and the horizontal layer 8 covers the cushion layer 2;
the inner wall of the upper end of the water filtering well pipe 5 is concavely provided with an annular table, and the lower end of the steel pipe 4 is clamped into the annular table, so that the steel pipe 4 and the water filtering well pipe 5 are connected more tightly, and the steel pipe 4 and the water filtering well pipe are not easy to separate at the joint.
In the above embodiment, the waterproof layer 7 is arranged on the cushion layer 2, the waterproof layer 7 is connected with the steel pipe 4, the joint of the steel pipe 4 and the lower water filtering well pipe 5 is covered, water leakage at the joint and other positions of the bottom surface 1 of the foundation pit is prevented, and the steel cover plate 6 and the sealing layer are arranged at the upper end of the steel pipe 4, so that the upper end of the water reducing well pipe 3 is sealed and blocked, and the leakage-proof performance of the whole sealing structure is improved.
As shown in fig. 1, further, a steel ring plate 10 is fixedly connected to the steel pipe 4, and the steel cover plate 6 is fixedly connected to the steel ring plate 10, so that the steel cover plate 6 and the steel ring plate 10 enclose a cap structure, the cap structure is fastened to the upper end of the steel pipe 4, and the cap layer is a first concrete layer 11 and the outer edge of the first concrete layer 11 covers the steel ring plate 10, so that the first concrete layer 11 is pressed against the cap structure, thereby enhancing the blocking strength of the cap structure to the upper end of the steel pipe 4 (i.e. the precipitation well pipe 3); the steel cover plate 6, the steel pipe 4 and the steel ring plate 10 are all welded in fixed connection, namely, the steel cover plate, the steel pipe 4 and the steel ring plate are integrally formed, so that a better leakage-proof effect can be achieved.
As shown in fig. 1, in order to enhance the leak-proof strength of the joint of the waterproof layer 7 and the steel pipe 4, the waterproof layer 7 is further covered with a cement slurry layer 13, the cement slurry layer 13 is connected with the outer wall of the steel pipe 4, and the cement slurry layer 13 assists the waterproof layer 7 to improve the waterproof performance, wherein the waterproof layer 7 is specifically a pre-laid polymer self-adhesive film waterproof roll.
As shown in fig. 1, in order to further improve the strength of the plugging structure, the plugging structure further includes a second concrete layer 12 covering the foundation pit bottom surface 1 and wrapping the waterproof layer 7, the cement paste layer 13, the steel pipe 4 and the steel ring plate 10, the second concrete layer 12 surrounds the first concrete layer 11, the second concrete layer 12 protects other components and plays a role in compacting at the same time, so that the compressive capacity of the whole plugging structure is improved, wherein the strength of the first concrete layer 11 is greater than that of the second concrete layer 12, so as to reduce the cost to a certain extent.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The plugging structure of the dewatering well is characterized by comprising a cushion layer laid on the bottom surface of a foundation pit, wherein the cushion layer surrounds the outside of the dewatering well pipe, and the plugging structure further comprises a steel pipe wrapped outside the dewatering well pipe, the cushion layer is connected with the steel pipe, the steel pipe is also connected with a water filtering well pipe, a steel cover plate covers the upper end of the steel pipe, and a capping layer covers the steel cover plate;
the waterproof layer covers the cushion layer and surrounds the outside of the steel pipe, the waterproof layer comprises a horizontal layer vertical to the steel pipe and a wrapping layer wrapping the outside of the steel pipe, and the horizontal layer covers the cushion layer.
2. The plugging structure of dewatering well as defined in claim 1, wherein the steel pipe is further fixedly connected with a steel ring plate, and the steel cover plate is fixedly connected with the steel ring plate.
3. The dewatering well plugging structure according to claim 2, wherein the capping layer is a first concrete layer and the outer edge of the first concrete layer covers the steel ring plate.
4. The plugging structure of dewatering well according to claim 3, wherein a cement slurry layer is further covered on the waterproof layer and connected with the outer wall of the steel pipe.
5. The plugging structure for dewatering wells according to claim 4, wherein an annular table is concavely arranged on the inner wall of the upper end of the dewatering well pipe, and the lower end of the steel pipe is clamped into the annular table.
6. The plugging structure of dewatering well as defined in claim 5, wherein the steel cover plate, the steel pipe and the steel ring plate are all welded.
7. The plugging structure of dewatering well as defined in claim 6, further comprising a second concrete layer covering the bottom surface of the foundation pit and wrapping the waterproof layer, the cement paste layer, the steel pipes and the steel ring plates, wherein the second concrete layer surrounds the first concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692130.4U CN216475131U (en) | 2021-11-05 | 2021-11-05 | Precipitation well block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122692130.4U CN216475131U (en) | 2021-11-05 | 2021-11-05 | Precipitation well block structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216475131U true CN216475131U (en) | 2022-05-10 |
Family
ID=81447739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122692130.4U Withdrawn - After Issue CN216475131U (en) | 2021-11-05 | 2021-11-05 | Precipitation well block structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216475131U (en) |
-
2021
- 2021-11-05 CN CN202122692130.4U patent/CN216475131U/en not_active Withdrawn - After Issue
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20220510 Effective date of abandoning: 20230630 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20220510 Effective date of abandoning: 20230630 |