CN209941685U - Curtain slip casting water plugging device in confined water stratum - Google Patents
Curtain slip casting water plugging device in confined water stratum Download PDFInfo
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- CN209941685U CN209941685U CN201920089190.7U CN201920089190U CN209941685U CN 209941685 U CN209941685 U CN 209941685U CN 201920089190 U CN201920089190 U CN 201920089190U CN 209941685 U CN209941685 U CN 209941685U
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- water
- pipe
- diversion pipe
- curtain
- grouting
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Abstract
The utility model relates to a curtain slip casting water shutoff device in confined water stratum, including leading water pipe, distributive pipe, water pressure balance pipe, oblique draw bar and slip casting pipe. Water at the water leakage point is guided into the water pressure balance pipe through the water guide pipe, the water distribution pipe and the water pressure balance pipe which are communicated with each other, so that the water head pressure in the pipe is balanced with the water pressure in the water leakage hole. Then the water in the water conduit is plugged by grouting at the bottom of the hole and replenishing grout at the orifice. The utility model discloses the device principle is simple, and convenient operation can realize still water slip casting in the curtain gushes the water hole, improves the shutoff quality of the curtain that leaks greatly.
Description
Technical Field
The utility model relates to a foundation ditch curtain leaking stoppage technical field, concretely relates to curtain slip casting water plugging device in confined water stratum.
Background
When the foundation pit supporting construction is carried out in a confined water stratum, the situation that the curtain continuously leaks water is often met. At the moment, water in the water leakage hole is discharged without cutoff, and grouting plugging is difficult to directly carry out. The traditional curtain water leakage treatment method generally adopts cement-water glass double-slurry grouting plugging or grouting by using a grout stopping ring under pressure. The construction by adopting the cement water glass double-slurry is only effective to the condition of slight water burst, and the construction cost is high; if the slurry stopping ring performs pressure grouting, when the water pressure is high, the operation of sealing the water leakage stopping hole by the slurry stopping ring is difficult, the water leakage stopping hole cannot be completely sealed, and the sealing effect cannot be guaranteed.
In order to ensure the plugging quality of the water leakage curtain, the stopping of the water flow in the water leakage hole is important in the plugging process. Therefore, a device capable of realizing still water grouting in the water leakage hole is researched and developed, and the device has great significance for plugging water leakage of a curtain in a confined water stratum.
SUMMERY OF THE UTILITY MODEL
For overcoming not enough, the utility model aims to provide a curtain slip casting water plugging device in confined water stratum has simple, the convenient to use's of principle advantage, can realize still water slip casting in the curtain hole that leaks, improves the shutoff quality of the water leakage curtain greatly.
The utility model provides a technical scheme that its technical problem adopted is: a curtain grouting water plugging device in a confined water stratum comprises: comprises a water conduit, a water diversion pipe, a water pressure balance pipe, a diagonal draw bar and a grouting pipe.
Preferably, the bottom of the water conduit is provided with a water inlet hole, the outer wall of the water conduit is wrapped with a filter screen, and the top of the water conduit is provided with a flange.
Preferably, the bottom of the water conduit enters a water leakage hole of the curtain, and the contact part of the outer wall of the water conduit and the curtain is wound with the water-swellable material.
Preferably, the water diversion pipe comprises a water inlet end and a water outlet end, and the water inlet end is provided with a flange plate and is connected with the water diversion pipe through a flange; a bifurcated pipe and a pulp supplementing pipe which are communicated with the inside of the water distribution pipe are arranged near the water inlet end of the water distribution pipe, threads are arranged at the top of the bifurcated pipe, and an observation valve is arranged on the pulp supplementing pipe; the water outlet end of the water diversion pipe is provided with a water closing valve.
Preferably, two diagonal braces are arranged on two sides of the distributive pipe, one end of each diagonal brace is connected with the side wall of the distributive pipe, and the other end of each diagonal brace is connected with the curtain wall through bar planting grouting or expansion bolts.
Preferably, the bottom end of the water pressure balancing pipe is connected with the top of the bifurcated pipe through threads, and the top of the water pressure balancing pipe is provided with a water pressure cap.
Preferably, the grout outlet of the grouting pipe sequentially penetrates through the water pressure balance pipe, the bifurcated pipe and the water diversion pipe and enters the bottom of the water diversion pipe.
Preferably, the water conduit is of a barrel structure, the water distribution pipe is of a thin-wall cylinder structure, and the water pressure balance pipe is of a flexible thin-wall cylinder structure.
The utility model discloses following beneficial effect has: the utility model adopts the water diversion pipe to lead water out of the pipe, thus preventing water flow from scouring the wall of the water leakage hole and preventing the leakage point from continuously expanding; the diversion pipe, the water diversion pipe and the curtain wall are connected together through the diagonal braces, so that the water diversion pipe in the water leakage hole is prevented from being flushed out by water pressure; the water head pressure in the water pressure balance pipe is balanced with the water pressure in the water leakage hole, so that the water in the water leakage hole is kept static, and the grouting quality is greatly improved; the slurry supplementing pipe is matched with the grouting pipe for use, and secondary pressure slurry supplementing is performed at the orifice of the water leakage hole, so that the grouting compactness of the orifice position is improved; after the slurry is supplemented, the water diversion pipe and the water pressure balance pipe can be detached and decomposed, and the cleaning and the recycling are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the device of the present invention;
FIG. 1-curtain; 2-water leakage crack; 3, filtering by using a filter screen; 4-water inlet holes; 5-water leakage holes; 6-a water-swellable material; 7-a water conduit; 8-a flange; 9-grouting pipe; 10-a water diversion pipe; 11-closing the water valve; 12-a furcation tube; 13-a hydraulic balance pipe; 14-a water pressure cap; 15-a viewing valve; 16-a slurry supplementing pipe; and 17-diagonal braces.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
A curtain grouting water plugging device in a confined water stratum as shown in figure 1 comprises: the device consists of a water diversion pipe 7, a water diversion pipe 10, a water pressure balance pipe 13, a diagonal brace 17 and a grouting pipe 9; the water conduit 7 is of a barrel structure, the bottom of the water conduit is provided with a water inlet 4, the outer wall of the water conduit is wrapped by the filter screen 3, and the top of the water conduit is provided with a flange 8; the bottom of the water conduit 7 enters the water leakage hole 5 of the curtain 1, and the contact part of the outer wall of the water conduit and the curtain 1 is wound with the water-swellable material 6; the water diversion pipe 10 is a thin-wall cylinder structure and comprises a water inlet end and a water outlet end, wherein the water inlet end is provided with a flange plate and is connected with the water diversion pipe 7 through a flange 8; a bifurcated pipe 12 and a pulp supplementing pipe 16 which are communicated with the inside of the water diversion pipe 10 are arranged near the water inlet end of the water diversion pipe 10, threads are arranged on the top of the bifurcated pipe 12, and an observation valve 15 is arranged on the pulp supplementing pipe 16; a water-closing valve 11 is arranged at the water outlet end of the water distribution pipe 10; two diagonal braces 17 are arranged at two sides of the distributive pipe 10, one end of each diagonal brace is connected with the side wall of the distributive pipe 10, and the other end of each diagonal brace is connected with the wall of the curtain 1 through bar planting grouting or expansion bolts; the water pressure balance pipe 13 is of a flexible thin-wall cylindrical structure, the bottom end of the water pressure balance pipe is connected with the top of the bifurcated pipe 12 through threads, and the top of the water pressure balance pipe is provided with a water pressure cap 14; the grout outlet of the grouting pipe 9 sequentially passes through the water pressure balance pipe 13, the bifurcated pipe 12 and the water diversion pipe 10 and enters the bottom of the water diversion pipe 7.
A working method of a curtain grouting water plugging device in a confined water stratum comprises the following steps:
step 1: finding out a water leakage point of the curtain 1, and punching holes at the water leakage point to enable the section of the water leakage hole to be a regular circle;
step 2: the bottom of the water conduit 7 is bound with the filter screen 3, the water-swellable material 6 is bound at the middle position of the water conduit 7, then the bottom of the water conduit 7 is pushed into the water leakage hole 5, a flange plate at the top of the water conduit 7 is exposed out of the hole, after the water-swellable material 6 expands, a gap between the water conduit 7 and the hole wall of the water leakage hole 5 is filled compactly, and water flows out of the water conduit 7;
and step 3: the grout inlet end of the grouting pipe 9 enters the bottom of the water diversion pipe 7 through the bifurcated pipe 12 and the water diversion pipe 10; opening a water closing valve 11 on the water distribution pipe 10, connecting the water distribution pipe 10 with the water conduit 7 through a flange 8, and enabling water flow to flow out of the water distribution pipe 10;
and 4, step 4: welding one end of a diagonal brace 17 on the side wall of the water distribution pipe 10, and connecting the other end of the diagonal brace with the wall of the curtain 1 through bar planting grouting or expansion bolts;
and 5: sleeving the water pressure balance pipe 13 on the grouting pipe 9 to enable the grouting pipe 9 to extend out of the top of the water pressure balance pipe 13, and connecting the water pressure balance pipe 13 with the branch pipe 12;
step 6: the height of a water head is estimated according to the water pressure in the water leakage hole 5, and the top of the water pressure balance pipe 13 is increased to the designed height;
and 7: closing the water-closing valve 11 and the observation valve 15, wherein water flows upwards through the bifurcated pipe 12 and the water pressure balance pipe 13 at the moment, and when the head pressure in the water pressure balance pipe 13 is balanced with the water pressure in the water leakage hole 5, the water stops flowing;
and 8: grouting into the water diversion pipe 7 through the grouting pipe 9, stopping grouting when the water in the water leakage hole 5 stops flowing and the grout does not flow out along with the water to cause waste, opening the observation valve 15 to ensure that the water flow speed in the observation valve 15 is lower than the grouting speed, and stopping grouting when the grout return appears at the opening 15 of the observation valve and reaches a certain concentration, and closing the observation valve 15;
and step 9: after grouting is finally set, cutting off the grouting pipe 9 at the top of the water pressure balance pipe 13, sealing the top of the water pressure balance pipe 13 by using a water pressure cap 14, connecting a grout supplementing pipe 16 with grouting equipment, opening an observation valve 15, performing pressure grouting, and stopping grouting when the grouting amount and the grouting pressure reach design requirements;
step 10: after grouting reaches a certain strength, the water pressure balance pipe 13 and the water diversion pipe 10 are disassembled and cleaned for repeated use.
The utility model discloses not be limited to the embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (2)
1. The utility model provides a curtain slip casting water plugging device in confined water stratum which characterized in that: the water-cooled curtain wall grouting device comprises a water diversion pipe, a water pressure balance pipe, diagonal ribs and a grouting pipe, wherein a water inlet hole is formed in the bottom of the water diversion pipe, a filter screen is wrapped on the outer wall of the water diversion pipe, a flange is arranged at the top of the water diversion pipe, the bottom of the water diversion pipe enters a curtain water leakage hole, the outer wall of the water diversion pipe is wound with a water swelling material in contact with a curtain contact part, the water diversion pipe comprises a water inlet end and a water outlet end, the water inlet end is connected with the water diversion pipe through the flange, a bifurcated pipe and a grout supplementing pipe which are communicated with the inside of the water diversion pipe are arranged near the water inlet end of the water diversion pipe, threads are arranged at the top of the bifurcated pipe, an observation valve is arranged on the grout supplementing pipe, a water-closing valve is arranged at the water outlet end of the water diversion pipe, two diagonal ribs are positioned on two sides of the water diversion pipe, one end of the diagonal ribs is connected with the side, The bifurcated pipe and the water diversion pipe enter the bottom of the water diversion pipe.
2. The curtain grouting water plugging device in the confined water stratum of claim 1, characterized in that: the diversion pipe is of a barrel structure, the diversion pipe is of a thin-wall cylinder structure, and the water pressure balance pipe is of a flexible thin-wall cylinder structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089190.7U CN209941685U (en) | 2019-01-18 | 2019-01-18 | Curtain slip casting water plugging device in confined water stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920089190.7U CN209941685U (en) | 2019-01-18 | 2019-01-18 | Curtain slip casting water plugging device in confined water stratum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209941685U true CN209941685U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920089190.7U Withdrawn - After Issue CN209941685U (en) | 2019-01-18 | 2019-01-18 | Curtain slip casting water plugging device in confined water stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209941685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706934A (en) * | 2019-01-18 | 2019-05-03 | 山东建勘集团有限公司 | Drapery injected device and its working method in a kind of artesian water stratum |
| CN114645691A (en) * | 2022-04-11 | 2022-06-21 | 中勘资源勘探科技股份有限公司 | Ground straight-through type through-lane drilling and well cementation downhole device and well cementation construction method |
-
2019
- 2019-01-18 CN CN201920089190.7U patent/CN209941685U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706934A (en) * | 2019-01-18 | 2019-05-03 | 山东建勘集团有限公司 | Drapery injected device and its working method in a kind of artesian water stratum |
| CN109706934B (en) * | 2019-01-18 | 2023-10-20 | 山东建勘集团有限公司 | Curtain grouting water plugging device in pressure-bearing water stratum and working method thereof |
| CN114645691A (en) * | 2022-04-11 | 2022-06-21 | 中勘资源勘探科技股份有限公司 | Ground straight-through type through-lane drilling and well cementation downhole device and well cementation construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200114 Effective date of abandoning: 20231020 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200114 Effective date of abandoning: 20231020 |