CN218466564U - Plugging device for treating sudden gushing of foundation pit - Google Patents
Plugging device for treating sudden gushing of foundation pit Download PDFInfo
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- CN218466564U CN218466564U CN202222473201.6U CN202222473201U CN218466564U CN 218466564 U CN218466564 U CN 218466564U CN 202222473201 U CN202222473201 U CN 202222473201U CN 218466564 U CN218466564 U CN 218466564U
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- water
- grouting
- water collecting
- gushing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 239000002689 soil Substances 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000007569 slipcasting Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a plugging device for administering foundation ditch suddenly gushes, include: the grouting limiting unit is inserted into the water gushing channel, and a cavity is formed inside the grouting limiting unit; the reverse filtration soil conservation unit is fixedly embedded at the top of the cavity and can filter the gushed confined water; the water collecting unit is arranged above the anti-filtration soil conservation unit and is used for collecting the filtered clean water; one end of the drainage guide device is arranged in the water collecting unit, and the drainage guide device is used for extracting clean water in the water collecting unit; and the grouting unit sequentially penetrates through the water collecting unit and the anti-filtration soil protecting unit and then extends into the lower part of the inner part of the cavity, and the grouting unit can perform grouting to block a water burst channel. The utility model discloses can collect anti-filtration and protect soil, lead and arrange step-down, slip casting sealing function in an organic whole, the high-efficient foundation ditch of administering suddenly gushes conveniently, ensures safe foundation ditch construction that carries on.
Description
Technical Field
The utility model relates to a foundation ditch engineering technical field especially relates to a plugging device for administering foundation ditch suddenly gushes.
Background
With the development and utilization of underground space, excavation of foundation pits is an important construction content of engineering construction. In the foundation ditch excavation process, because seal not tight formation seepage passageway to existing reconnaissance hole or experimental pumped well before the excavation, lead to the bottom of a pit confined water to gush out the bottom of a pit along seepage passageway, at this in-process, the confined water smuggles the outflow of fine particle soil in the seepage stratum secretly, can further aggravate the bottom of a pit suddenly gushes calamity degree.
In the prior art, a cushion layer is generally laid near a water burst point, a drainage tube is inserted into the water burst point, and the drainage tube is externally connected with a water pumping device for pumping and draining. And after the foundation pit is drained, grouting to block the sudden gushing point of the foundation pit. The technology only considers plugging the water burst point, and does not solve the problem of water burst channel expansion caused by water and soil loss caused by water burst.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a plugging device for treating a foundation pit inrush, which addresses the above technical problems.
A plugging device for treating sudden gushing of a foundation pit comprises:
the grouting limiting unit is inserted in the water gushing channel, and a cavity is formed inside the grouting limiting unit;
the reverse filtration soil conservation unit is embedded and fixed at the top of the cavity and can filter the gushed confined water;
the water collecting unit is arranged above the reverse filtration soil conservation unit and is used for collecting the filtered clean water;
one end of the drainage guide device is arranged in the water collecting unit, and the drainage guide device is used for extracting clean water in the drainage guide device;
and the grouting unit sequentially penetrates through the water collecting unit and the anti-filtration soil conservation unit and then extends into the lower part of the inner part of the cavity, and the grouting unit can perform grouting plugging on the water burst channel.
In one embodiment, the grouting limiting unit comprises a grouting limiting unit and a cushion layer, wherein the grouting limiting unit is embedded on the cushion layer, and the cushion layer is fixed in the stratum through an anchoring unit.
In one embodiment, the grouting limiting unit comprises a steel sleeve, and the cushion layer is a steel plate or a cast-in-place concrete plate.
In one embodiment, the water collecting unit comprises a water collecting tank which is formed by enclosing vertical plates welded on the inner hole wall of the cushion layer.
In one embodiment, the drainage guide device comprises a water pumping pipe, one end of the water pumping pipe extends into the water collecting unit, and the other end of the water pumping pipe extends to the outside.
Above-mentioned a plugging device for administering foundation ditch suddenly gushes, through establish the spacing unit of slip casting in gushing the water passageway, utilize anti-filtration to protect native unit and filter the confined water that gushes out suddenly, the clear water after filtering in the drainage guide device will concentrate on the unit that catchments is led and is arranged, and at last, carry out the slip casting shutoff through the slip casting unit gush the water passageway can, thereby make the utility model discloses can collect anti-filtration and protect soil, lead and arrange the step-down, slip casting sealing function in an organic whole, the foundation ditch suddenly gushes is administered to the high efficiency conveniently, ensures that safe carries out the foundation ditch construction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of the plugging device for treating sudden gushing of a foundation pit of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, an embodiment of the present invention provides a plugging device for treating sudden gushing of a foundation pit, including:
the grouting limiting unit 1 is inserted into the water gushing channel 2, and a cavity 11 is formed inside the grouting limiting unit 1;
the reverse filtration soil conservation unit 3 is fixedly embedded at the top of the cavity 11, and the reverse filtration soil conservation unit 3 can filter the gushed pressure-bearing water;
the water collecting unit 4 is arranged above the reverse filtering soil conservation unit 3, and the water collecting unit 4 is used for collecting the filtered clean water;
one end of the drainage guide device 5 is arranged in the water collection unit 4, and the drainage guide device 5 is used for extracting clean water from the water collection unit 4 to perform the functions of water guiding and pressure reduction;
Above-mentioned a plugging device for administering foundation ditch suddenly gushes, through establish slip casting spacing unit 1 in gushing water passageway 2, utilize anti-filtration to protect native unit 3 and filter the confined water that gushes out suddenly, drainage guide 5 will concentrate on the clear water after filtering in water collection unit 4 and lead the drainage, at last, carry out the slip casting shutoff through slip casting unit 6 and gush water passageway 2 can, thereby make the utility model discloses can collect anti-filtration and protect soil, lead the drainage step-down, slip casting sealing function in an organic whole, administer the foundation ditch suddenly and gush high-efficiently conveniently, ensure safe foundation ditch construction of carrying on.
The utility model discloses an embodiment, still include bed course 7, bed course 7 nestification is in on the spacing unit of slip casting 1, just bed course 7 is fixed in the stratum through anchor unit 8. In this embodiment, the bed course 7 can be flat-plate-shaped and nested outside the grouting limiting unit 1, the circumference of the bed course 7 can be fixed in the stratum through a plurality of anchoring units 8, and the bed course is used for back pressure grouting to reinforce the stratum, so that slurry can be prevented from penetrating through the stratum during grouting to form a new water gushing channel. Wherein the anchoring unit 8 may be an anchor rod or the like.
The utility model discloses an embodiment, the spacing unit 1 of slip casting includes the steel sleeve, bed course 7 is steel sheet or cast-in-place concrete slab etc.. In this embodiment, the steel sleeve may enter the water burst channel 2 by ramming or static pressure, so as to limit the slurry from coagulating and solidifying around the water burst channel 2, thereby achieving the minimum grouting amount and obtaining a better plugging effect.
The utility model discloses an in the embodiment, the unit of protecting soil is prevented straining by 3 can be for filter screen etc for filter the interception fine sand granule at the drainage guide depressurization in-process, the effect of the earth is protected in the performance is prevented straining.
In an embodiment of the present invention, the water collecting unit 4 includes a water collecting tank, and the water collecting tank is formed by enclosing a vertical plate welded on the inner hole wall of the cushion layer 7. So, can guarantee the leakproofness of water catch bowl, the clear water after avoiding filtering is revealed.
The utility model discloses an embodiment, leading row device 5 includes the drinking-water pipe, the one end of drinking-water pipe stretches into among the water collection unit 4, the other end of drinking-water pipe stretches out to the outside. In this embodiment, the water suction pipe is used for extracting clear water in the water collecting tank, and plays a role in guiding water and reducing pressure.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, but should not be interpreted as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A plugging device for administering a foundation pit inrush current, comprising:
the grouting limiting unit is inserted into the water gushing channel, and a cavity is formed inside the grouting limiting unit;
the reverse filtration soil conservation unit is embedded and fixed at the top of the cavity and can filter the gushed confined water;
the water collecting unit is arranged above the reverse filtration soil conservation unit and is used for collecting the filtered clean water;
one end of the drainage guide device is arranged in the water collecting unit, and the drainage guide device is used for extracting clean water in the drainage guide device;
and the grouting unit sequentially penetrates through the water collecting unit and the reverse filtration soil conservation unit and then extends into the lower part of the inner part of the cavity, and the grouting unit can perform grouting and plugging on the water gushing channel.
2. The plugging device for treating the gushing of the foundation pit according to claim 1, further comprising a cushion layer, wherein the cushion layer is nested on the grouting limiting unit, and the cushion layer is fixed in the stratum through an anchoring unit.
3. The plugging device for treating the gushing of the foundation pit according to claim 2, wherein the grouting limiting unit comprises a steel sleeve, and the cushion layer is a steel plate or a cast-in-place concrete plate.
4. The plugging device for treating the sudden surge of the foundation pit according to claim 1, wherein the water collecting unit comprises a water collecting tank, and the water collecting tank is enclosed by vertical plates welded on the inner hole wall of the cushion layer.
5. The plugging device for treating the gushing of the foundation pit according to claim 1, wherein the drainage device comprises a water pumping pipe, one end of the water pumping pipe extends into the water collecting unit, and the other end of the water pumping pipe extends to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222473201.6U CN218466564U (en) | 2022-09-19 | 2022-09-19 | Plugging device for treating sudden gushing of foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222473201.6U CN218466564U (en) | 2022-09-19 | 2022-09-19 | Plugging device for treating sudden gushing of foundation pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218466564U true CN218466564U (en) | 2023-02-10 |
Family
ID=85141954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222473201.6U Active CN218466564U (en) | 2022-09-19 | 2022-09-19 | Plugging device for treating sudden gushing of foundation pit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218466564U (en) |
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2022
- 2022-09-19 CN CN202222473201.6U patent/CN218466564U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Address before: 200093 No. 38 Shui Feng Road, Yangpu District, Shanghai. Patentee before: SGIDI ENGINEERING CONSULTING (Group) Co.,Ltd. |