CN214574074U - Plugging structure of foundation pit leakage point - Google Patents
Plugging structure of foundation pit leakage point Download PDFInfo
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- CN214574074U CN214574074U CN202022836665.XU CN202022836665U CN214574074U CN 214574074 U CN214574074 U CN 214574074U CN 202022836665 U CN202022836665 U CN 202022836665U CN 214574074 U CN214574074 U CN 214574074U
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- leakage point
- foundation pit
- plugging
- steel sheet
- enclosure wall
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Abstract
The utility model relates to a block structure of foundation ditch leakage point, leakage point are located the enclosure wall of foundation ditch, and this block structure includes: the steel sheet piles are vertically arranged on one side of the enclosure wall, which is far away from the foundation pit, surround the leakage points and form a plugging space with the enclosure wall; and the underground water is blocked by the steel sheet piles so as to prevent the underground water from entering the plugging space and flowing into the foundation pit through the leakage point. The utility model discloses the effectual problem of having solved leakage point shutoff difficulty surrounds the leakage point through the steel sheet pile to cut off groundwater and leakage point, thereby realize quick shutoff leakage point, can guarantee the shutoff effect, reduce the influence to construction quality and construction progress.
Description
Technical Field
The utility model relates to a building construction field refers in particular to a plugging structure of foundation ditch leakage point.
Background
Along with the large-scale development of underground space, the construction foundation pit engineering is also developed towards a deep and large direction, in the construction process of a foundation pit, a retaining wall of the foundation pit may have defects locally, so that a leakage point may appear on the retaining wall of the foundation pit, the conventional method is to inject slurry into the leakage point to block the leakage point, but the slurry is long in solidification time and cannot be quickly blocked, if the leakage amount of the leakage point is large, the solidification of the slurry may be influenced, the blocking effect cannot be guaranteed, and the construction quality and the construction progress are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a foundation ditch leakage point's block structure, solved the difficult problem of leakage point shutoff, surround the leakage point through the steel sheet pile to cut off groundwater and leakage point, thereby realize quick shutoff leakage point, can guarantee the shutoff effect, reduce the influence to construction quality and construction progress.
The technical scheme for realizing the purpose is as follows:
the utility model provides a plugging structure of foundation ditch leakage point, leakage point are located the enclosure wall of foundation ditch, and this plugging structure includes:
the steel sheet piles are vertically arranged on one side of the enclosure wall, which is far away from the foundation pit, surround the leakage points and form a plugging space with the enclosure wall;
and the underground water is blocked by the steel sheet piles so as to prevent the underground water from entering the plugging space and flowing into the foundation pit through the leakage point.
The utility model discloses a block structure of foundation ditch leakage point, one side through keeping away from the foundation ditch at the enclosure wall sets up a plurality of vertical steel sheet piles, in order to enclose the leakage point, thereby utilize this steel sheet pile to block groundwater, prevent that groundwater from getting into in the shutoff space and flow into the foundation ditch through the leakage point, because the construction steel sheet pile is comparatively easy and construction speed is very fast, consequently can realize the leaking stoppage rapidly, the problem of leakage point shutoff difficulty has been solved, surround the leakage point through the steel sheet pile, in order to cut off groundwater and leakage point, thereby realize quick shutoff leakage point, can guarantee the shutoff effect, reduce the influence to construction quality and construction progress.
The utility model discloses a further improvement of the plugging structure of the foundation pit leakage point is that the plugging structure also comprises a reinforcing body which is formed in the plugging space by grouting and is used for plugging the leakage point;
slurry is injected into the soil body in the plugging space to fill gaps in the soil body, so that the slurry and the soil body form an integrated reinforced body after solidification.
The utility model discloses the further improvement of the block structure of foundation ditch leakage point lies in that this reinforcement body is poured into by quick hard grout or polyurethane thick liquid under water and is formed.
The utility model discloses the block structure of foundation ditch leakage point's further improvement lies in, and the bottom of a plurality of steel sheet piles all is located the first weak soil layer that permeates water of leakage point below.
The utility model discloses the further improvement of the block structure of foundation ditch leakage point lies in, and the rectangle is personally submitted to the transversal in this shutoff space.
The utility model discloses the further improvement of the block structure of foundation ditch leakage point lies in that this steel sheet pile is close to the lateral part of enclosure wall and the side that the enclosure wall corresponds and laminates mutually.
The utility model discloses the further improvement of the block structure of foundation ditch leakage point lies in that the top elevation of this steel sheet pile is higher than the elevation on ground around the foundation ditch.
Drawings
Fig. 1 is the utility model discloses foundation ditch leakage point's block structure's front cut-away view.
Fig. 2 is the utility model discloses the plan view of the block structure of foundation ditch leakage point.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1, the utility model provides a foundation ditch leakage point's block structure, one side through keeping away from the foundation ditch at enclosure wall sets up a plurality of vertical steel sheet piles, with surround the leakage point, thereby utilize this steel sheet pile to block groundwater, prevent that groundwater from getting into in the shutoff space and flow into the foundation ditch through the leakage point in, because the construction steel sheet pile is comparatively easy and construction speed is very fast, consequently can realize the leaking stoppage rapidly, the problem of leakage point shutoff difficulty has been solved, surround the leakage point through the steel sheet pile, with cutting off groundwater and leakage point, thereby realize quick shutoff leakage point, can guarantee the shutoff effect, reduce the influence to construction quality and construction progress. The following description is provided with reference to the accompanying drawings for the plugging structure of the foundation pit leakage point of the present invention.
Referring to fig. 1, fig. 1 is a front cross-sectional view of the plugging structure of the foundation pit leakage point of the present invention. The following description will be made with reference to fig. 1 for the plugging structure of the foundation pit leakage point of the present invention.
As shown in fig. 1 and 2, the utility model discloses foundation ditch leakage point's block structure, leakage point 212 are located foundation ditch 21's enclosure wall 211, and this block structure includes:
the steel sheet piles 11 are vertically arranged on one side, far away from the foundation pit 21, of the enclosure wall 211, and the leakage points 212 are enclosed by the steel sheet piles 11 and form a plugging space 111 with the enclosure wall 211;
the underground water is blocked by the steel sheet piles 11 to prevent the underground water from entering the plugging space 111 and flowing into the foundation pit 21 through the leakage points 212.
Preferably, the cross section of the blocked space 111 is rectangular.
Specifically, the side of the steel sheet pile 11 close to the enclosure wall 211 is attached to the corresponding side of the enclosure wall 211, so as to prevent the groundwater from leaking into the plugging space 111 from the position of the steel sheet pile 11 close to the enclosure wall 211.
As a preferred embodiment of the present invention, the present invention further comprises a reinforcing body 12 formed in the plugging space 111 and used for plugging the leakage point 212;
slurry is injected into the soil body in the plugging space 111 to fill gaps in the soil body, so that the slurry and the soil body form an integrated reinforced body 12 after solidification;
after the steel sheet piles 11 are arranged, the water level change in the foundation pit 21 is observed, if the water level change is not large in a period of time, only the steel sheet piles 11 can be arranged, and if the water level change is large, grouting is needed to be performed in the plugging space 111 to form the reinforcing body 12 to further plug the leakage points 212.
Specifically, the reinforcing body 12 is formed by pouring fast setting grout such as underwater fast hardening grout or polyurethane grout.
Further, the bottoms of the steel sheet piles 11 are located in the first weak permeable soil layer 22 below the leakage point 212, so that the underground water is prevented from rushing, and the plugging effect is better.
Specifically, the elevation of the top of the steel sheet pile 11 is higher than the elevation of the ground around the foundation pit 21.
The specific implementation manner of the utility model is as follows:
vertically driving a plurality of steel sheet piles 11 on one side, far away from the foundation pit 21, of the enclosure wall 211 with the leakage points 212 to enclose the leakage points 212, and enclosing the steel sheet piles 11 and the enclosure wall 211 to form a blocking space 111;
observing the change condition of the water level in the foundation pit 21, if the variation is smaller, the plugging effect is better, the construction can be continued, and if the variation is larger, the plugging effect is not ideal, and further plugging is needed;
injecting slurry into the soil body in the plugging space 111, wherein the slurry fills gaps in the soil body, and the slurry and the soil body form a reinforcing body 12 of an integrated structure after being solidified, and the reinforcing body 12 achieves the effect of further plugging the leakage points 212;
this application stops the groundwater flow direction enclosure wall 211 in the enclosure wall 211 outside through the mode of beating and establishing steel sheet pile 11, and this kind of construction method is fast, can realize the shutoff rapidly, if the shutoff effect is unsatisfactory, still can be in shutoff space 111 slip casting formation reinforcing body 12 to realize further shutoff, thereby can guarantee the shutoff effect.
The present invention has been described in detail with reference to the embodiments shown in the drawings, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (7)
1. The utility model provides a block structure of foundation ditch leakage point, leakage point are located the enclosure wall of foundation ditch, its characterized in that, block structure includes:
the steel sheet piles are vertically arranged on one side, far away from the foundation pit, of the enclosure wall, surround the leakage points and form a plugging space with the enclosure wall;
and blocking underground water through the steel sheet pile so as to prevent the underground water from entering the plugging space and flowing into the foundation pit through the leakage point.
2. The plugging structure for the leakage point of the foundation pit according to claim 1, further comprising a reinforcing body formed in the plugging space and used for plugging the leakage point by grouting;
slurry is injected into the soil body in the plugging space to fill gaps in the soil body, so that the slurry and the soil body form the reinforcing body after solidification.
3. The plugging structure for the leakage point of the foundation pit according to claim 2, wherein the reinforcing body is formed by pouring underwater quick-hardening cement slurry or polyurethane slurry.
4. The plugging structure for a foundation pit leakage point according to claim 1, wherein the bottoms of the plurality of steel sheet piles are all located in a first weak permeable soil layer below the leakage point.
5. The plugging structure of a foundation pit leakage point according to claim 1, wherein the cross section of the plugging space is rectangular.
6. The foundation pit leakage point blocking structure according to claim 1, wherein the side part of the steel sheet pile close to the enclosure wall is attached to the corresponding side surface of the enclosure wall.
7. The plugging structure of a foundation pit leakage point according to claim 1, wherein the elevation of the top of the steel sheet pile is higher than the elevation of the ground around the foundation pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836665.XU CN214574074U (en) | 2020-12-01 | 2020-12-01 | Plugging structure of foundation pit leakage point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022836665.XU CN214574074U (en) | 2020-12-01 | 2020-12-01 | Plugging structure of foundation pit leakage point |
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| Publication Number | Publication Date |
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| CN214574074U true CN214574074U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022836665.XU Active CN214574074U (en) | 2020-12-01 | 2020-12-01 | Plugging structure of foundation pit leakage point |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060054A (en) * | 2022-01-13 | 2022-02-18 | 中铁九局集团第四工程有限公司 | Tunnel water inrush and mud inrush plugging device and method |
-
2020
- 2020-12-01 CN CN202022836665.XU patent/CN214574074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060054A (en) * | 2022-01-13 | 2022-02-18 | 中铁九局集团第四工程有限公司 | Tunnel water inrush and mud inrush plugging device and method |
| CN114060054B (en) * | 2022-01-13 | 2022-04-08 | 中铁九局集团第四工程有限公司 | Tunnel water inrush and mud inrush plugging method |
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