CN217630041U - Grouting plugging assembly based on well plugging - Google Patents
Grouting plugging assembly based on well plugging Download PDFInfo
- Publication number
- CN217630041U CN217630041U CN202123353926.3U CN202123353926U CN217630041U CN 217630041 U CN217630041 U CN 217630041U CN 202123353926 U CN202123353926 U CN 202123353926U CN 217630041 U CN217630041 U CN 217630041U
- Authority
- CN
- China
- Prior art keywords
- pipe
- well
- grouting
- slip casting
- bottom plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a slip casting shutoff subassembly based on shut-in, including artesian well body, structure bottom plate and slip casting pipe. The utility model has the advantages that: when carrying out the shutoff, at first pour into high-quality clay into in to the chimney filter through the slip casting pipe, make high-quality clay thick liquid pass through around the chimney filter gets into precipitation well, die the chimney filter gap, improve intraductal water proof effect, pour into the micro-expansive concrete into in to the chimney filter through the slip casting pipe, make the micro-expansive concrete seal to the bottom of structure bottom plate, and flush rather than the bottom, can cooperate high-quality clay, improve intraductal water proof effect, avoid behind the shutoff, the problem of confined water along the pressure-bearing water well outer wall upwelling appears, the shut-in is enough tight, do not influence the later stage construction. Through setting up slip casting pipe, structure bottom plate and bed course, guarantee slip casting pipe limit slip casting and slowly lift in the time of carrying out the shutoff to make the slip casting pipe mouth of pipe be located slip casting liquid level 1m below, improve slip casting efficiency, easy operation saves a large amount of manpower and materials.
Description
Technical Field
The utility model relates to a shut-in well subassembly specifically is a slip casting shutoff subassembly based on shut-in well belongs to construction technical field.
Background
The confined water well is arranged for avoiding that the soil body at the bottom of the pit cannot bear the pressure of confined water due to the unloading of the foundation pit, so that the soil body at the bottom of the foundation pit is punctured by the confined water, and finally the foundation pit is submerged. Before the foundation pit is excavated, a confined water well is required to be built in or out of the pit, the height of the confined water head is reduced, the confined water pressure is reduced, and the safety of the foundation pit excavation is ensured.
The existing plugging component has some problems when in use:
1) The problem that confined water flows upwards along the outer wall of the confined water well easily occurs after the existing confined well is plugged, so that the well plugging is not tight enough, and the later construction is influenced;
2) The existing confined well grouting process is complex, time and labor are consumed when plugging is carried out, and construction progress is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a slip casting shutoff subassembly based on well plugging just for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: comprises that
The pressure-bearing well comprises a pressure-bearing well body, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the periphery of the pressure-bearing well body is provided with reserved holes, a well pipe is vertically arranged in the pressure-bearing well body, and the lower end of the well pipe is arranged below the liquid level of pressure-bearing water;
the structure bottom plate is embedded in the reserved holes arranged on the periphery of the pressure bearing well body, and the top surface of the structure bottom plate is flush with the ground elevation;
and the grouting pipe is inserted in the well pipe, and one end of the outer side of the grouting pipe is connected with the grouting machine.
As the utility model discloses further scheme again: the lower end of the well pipe is connected with a filter pipe, and the lower end of the filter pipe is fixedly connected with a settling pipe.
As a further aspect of the present invention: and a cushion layer is arranged on the lower side of the structural bottom plate.
As a further aspect of the present invention: when the grouting pipe is used for grouting, the grouting pipe is lifted slowly while grouting, and the pipe opening of the grouting pipe is ensured to be positioned below the liquid level of grouting liquid.
As the utility model discloses further scheme again: the lower extreme of slip casting pipe is located the chimney filter, begins to pour into high-quality clay and carries out the back cover, high-quality clay thick liquid passes through around the chimney filter gets into precipitation well, blocks up the chimney filter gap.
As a further aspect of the present invention: and injecting micro-expansion concrete to the upper side of the high-quality clay through the grouting pipe, sealing the micro-expansion concrete to the bottom of the structural bottom plate, and leveling the micro-expansion concrete to the bottom of the structural bottom plate.
As a further aspect of the present invention: and the structural bottom plate is filled to be flush with the upper end of the reserved hole 1.
The utility model has the advantages that:
1) The utility model discloses when carrying out the shutoff, at first through slip casting pipe to pouring into high-quality clay in to the chimney filter, make high-quality clay thick liquid pass through around the chimney filter gets into precipitation well, die the chimney filter gap, improve intraductal water proof effect, then continue to pour into the micro-expansive concrete into to the chimney filter through the slip casting pipe, make the micro-expansive concrete seal to the bottom of structure bottom plate, and flush rather than the bottom, can cooperate high-quality clay, improve intraductal water proof effect, avoid behind the shutoff, the problem of confined water along the upstream of confined water well outer wall appears, the shut-in well is enough tight, do not influence the later stage construction.
2) The utility model discloses a set up slip casting pipe, structure bottom plate and bed course, guarantee when carrying out the shutoff that slip casting pipe limit slip casting is lifted slowly on the limit to make the slip casting pipe mouth of pipe be located under slip casting liquid level 1m, improve slip casting efficiency, easy operation saves a large amount of manpower and materials.
Drawings
FIG. 1 is a schematic view of a structure of a pressure-bearing well in a top view;
FIG. 2 is a schematic view of the cross-section structure of the pressure-bearing well of the present invention;
fig. 3 is the utility model discloses confined well block structure schematic diagram.
In the figure: 1. the pressure-bearing well comprises a pressure-bearing well body, 2 well pipes, 3 a structural bottom plate, 4 a cushion layer, 5 a filter pipe, 6 a settling pipe, 7 a grouting pipe, 8 micro-expansion concrete, 9 high-quality clay and 10 reserved holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Referring to fig. 1 to 3, a grouting plugging assembly based on well plugging comprises
The pressure-bearing well comprises a pressure-bearing well body 1, a well pipe 2 and a water pump, wherein reserved holes 10 are formed in the periphery of the pressure-bearing well body, the well pipe 2 is vertically arranged in the pressure-bearing well body, and the lower end of the well pipe 2 is arranged below the liquid level of pressure-bearing water;
the structure bottom plate 3 is embedded in the reserved holes 10 arranged on the periphery of the pressure bearing well body 1, and the top surface of the structure bottom plate is flush with the ground elevation;
and the grouting pipe 7 is inserted in the well pipe 2, and one end of the outer side of the grouting pipe is connected with the grouting machine.
In the embodiment of the utility model, the lower extreme of well casing 2 is connected with chimney filter 5, just the lower extreme rigid coupling of chimney filter 5 has sedimentation pipe 6, makes pressure-bearing hydroenergy get into well casing 2, and other impurity or soil body can not get into well casing 2 to guarantee that well casing 2 can continuous effectual operation.
In the embodiment of the utility model, the downside of structure bottom plate 3 is provided with bed course 4, and when can preventing the shutoff, confined water in the well leaks, plays the effect of water proof.
The embodiment of the utility model provides an in, structure bottom plate 3 is filled to flushing with reservation hole 10 upper end, can play fine water-proof effects.
Example two
Referring to fig. 1 to 3, a grouting plugging assembly based on well plugging comprises
The pressure-bearing well comprises a pressure-bearing well body 1, a well pipe 2 and a water pump, wherein reserved holes 10 are formed in the periphery of the pressure-bearing well body, the well pipe 2 is vertically arranged in the pressure-bearing well body, and the lower end of the well pipe 2 is arranged below the liquid level of pressure-bearing water;
the structure bottom plate 3 is embedded in the reserved holes 10 formed in the periphery of the pressure bearing well body 1, and the top surface of the structure bottom plate is flush with the ground elevation;
and the grouting pipe 7 is inserted in the well pipe 2, and one end of the outer side of the grouting pipe is connected with the grouting machine.
The embodiment of the utility model provides an in, slip casting pipe 7 is when carrying out the slip casting, and limit slip casting limit slowly lifts to guarantee that 7 mouths of pipe of slip casting are located slip casting liquid level below, improve slip casting efficiency.
The embodiment of the utility model provides an in, the lower extreme of slip casting pipe 7 is located chimney filter 5, begins to pour into high-quality clay 9 and carries out the back cover, high-quality clay 9 thick liquid passes through chimney filter 5 and gets into around the precipitation well, dies chimney filter 5 gap stifled, conveniently improves intraductal water proof effect.
The embodiment of the utility model provides an in, through slip casting pipe 7 pours into micro-expansion concrete 8 into to the upside of high-quality clay 9 into, and micro-expansion concrete 8 seals to the bottom of structure bottom plate 3 to flush rather than the bottom, can cooperate high-quality clay 9, improve intraductal water proof effect.
The working principle is as follows: when the grouting plugging assembly based on well plugging is used, grouting equipment, cables and a grouting pipe 7 are installed and run in a test mode to ensure that a grouting system is intact, and then holes 10 are reserved. Interior bottom sets up bed course 4, and upside at bed course 4 sets up structure bottom plate 3, then the slip casting liquid is prepared, when treating that the water level is in quiescent condition, begin to carry out the slip casting, slip casting limit slowly lifts slip casting pipe 7, and guarantee that the 7 mouth of pipe of slip casting pipe is located slip casting liquid level 1m, inject high-quality clay 9 into filter tube 5 through slip casting pipe 7, make high-quality clay 9 thick liquid pass through around filter tube 5 gets into precipitation well, with filter tube 5 gap shutoff, improve intraductal water proof effect, then continue to inject little expansive concrete 8 into filter tube 5 through slip casting pipe 7, make little expansive concrete 8 seal to the bottom of structure bottom plate 3, and rather than the bottom, can cooperate high-quality clay 9, improve intraductal water proof effect, avoid behind the shutoff, the problem that the confined water flows along the pressure-bearing outer wall, the well plugging is enough tight, do not influence the later stage construction, and is simple in operation, save a large amount of manpower and materials.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Slip casting shutoff subassembly based on shut-in, its characterized in that includes
The pressure-bearing well comprises a pressure-bearing well body (1), a pre-reserved hole (10) is formed in the periphery of the pressure-bearing well body, a well pipe (2) is vertically arranged in the pressure-bearing well body, and the lower end of the well pipe (2) is arranged below the liquid level of pressure-bearing water;
the structure bottom plate (3) is embedded in the reserved holes (10) formed in the periphery of the pressure-bearing well body (1), and the top surface of the structure bottom plate is flush with the ground elevation;
the grouting pipe (7) is inserted in the well pipe (2), and one end of the outer side of the grouting pipe is connected with a grouting machine;
a cushion layer (4) is arranged on the lower side of the structural bottom plate (3);
injecting micro-expansion concrete (8) to the upper side of the high-quality clay (9) through the grouting pipe (7), and sealing the micro-expansion concrete (8) to the bottom of the structural bottom plate (3) and leveling with the bottom of the structural bottom plate.
2. The well plugging based grouting plugging assembly of claim 1, wherein: the lower end of the well pipe (2) is connected with a filter pipe (5), and the lower end of the filter pipe (5) is fixedly connected with a settling pipe (6).
3. The grouting plugging assembly based on well plugging according to claim 1, characterized in that: when the grouting pipe (7) performs grouting, the grouting pipe slowly lifts while grouting, and the pipe orifice of the grouting pipe (7) is ensured to be positioned below the liquid level of grouting liquid.
4. The grouting plugging assembly based on well plugging according to claim 1, characterized in that: the lower extreme of slip casting pipe (7) is located filter tube (5), begins to pour into high-quality clay (9) and carries out the back cover, high-quality clay (9) thick liquid passes through filter tube (5) and gets into around the precipitation well, blocks up filter tube (5) gap.
5. The grouting plugging assembly based on well plugging according to claim 1, characterized in that: and the structural bottom plate (3) is filled to be flush with the upper end of the reserved hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123353926.3U CN217630041U (en) | 2021-12-29 | 2021-12-29 | Grouting plugging assembly based on well plugging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123353926.3U CN217630041U (en) | 2021-12-29 | 2021-12-29 | Grouting plugging assembly based on well plugging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217630041U true CN217630041U (en) | 2022-10-21 |
Family
ID=83642050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123353926.3U Active CN217630041U (en) | 2021-12-29 | 2021-12-29 | Grouting plugging assembly based on well plugging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217630041U (en) |
-
2021
- 2021-12-29 CN CN202123353926.3U patent/CN217630041U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107326918B (en) | Hidden type plugging impervious water collecting well penetrating through raft plates and construction process thereof | |
| CN109519150B (en) | Dewatering well plugging device and method for large water yield | |
| CN106894428A (en) | Multi-channel waterproof plugging method for dewatering well of thick and large raft foundation | |
| CN214497558U (en) | Foundation pit dewatering well wellhead plugging casing pipe and structure | |
| CN109736340A (en) | A kind of sole plate reserves the dewatering device and method of dewatering well guarantee bed course integrality | |
| CN113152466A (en) | Large-depth full-section type high polymer anti-seepage curtain grouting device and method | |
| CN214574063U (en) | Closed structure of high water level large area foundation pit dewatering well | |
| CN110241788A (en) | A kind of reservoir dam body culvert pipe reconstruction structure and construction method | |
| CN217630041U (en) | Grouting plugging assembly based on well plugging | |
| CN207498973U (en) | A kind of power station grout curtain cuts dirty drainage tube | |
| CN214832684U (en) | Large-depth full-section type high polymer anti-seepage curtain grouting device | |
| CN215669621U (en) | High pressure precipitation well plugging device | |
| CN116024998A (en) | Construction method for water-sealing blocking of deep foundation pit dewatering well | |
| CN216739713U (en) | Karst area grout curtain structure | |
| CN1363743A (en) | Method and apparatus for grouting with guide pipe on offshore platform | |
| CN215669620U (en) | Plugging structure of dewatering well | |
| CN210946855U (en) | Plugging device for dewatering well | |
| CN213597015U (en) | Regulation pond bottom plate precipitation well block structure | |
| CN210975737U (en) | Reservoir dam body culvert pipe transformation structure | |
| CN207314371U (en) | Foundation trench structure using open caisson | |
| CN112227395A (en) | Well sealing device and method for large-water-pressure-drop well in building raft | |
| CN111577381A (en) | Goaf filling structure and goaf treatment method | |
| CN214695683U (en) | Raft board precipitation well structure | |
| CN219794010U (en) | High-water-pressure-bearing water precipitation well pressurized plugging structure | |
| CN221441584U (en) | Dewatering well sealing structure and construction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |