CN216075198U - Foundation pit side wall leakage plugging device - Google Patents

Foundation pit side wall leakage plugging device Download PDF

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Publication number
CN216075198U
CN216075198U CN202122379593.5U CN202122379593U CN216075198U CN 216075198 U CN216075198 U CN 216075198U CN 202122379593 U CN202122379593 U CN 202122379593U CN 216075198 U CN216075198 U CN 216075198U
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foundation pit
slip casting
wall body
drainage
plugging device
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CN202122379593.5U
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王建
王娟
黄雪兰
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Wuhan Huatai Geotechnical Engineering Co ltd
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Wuhan Huatai Geotechnical Engineering Co ltd
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Abstract

The utility model discloses a foundation pit side wall leakage plugging device which comprises a foundation pit wall body, a support structure, a grouting assembly and a drainage assembly, wherein the support structure covers a water seepage part arranged on the foundation pit wall body, a closed space is formed between the support structure and the foundation pit wall body, a filter plate is arranged in the support structure to divide the space into a grouting chamber and a drainage chamber, the grouting assembly is communicated with the grouting chamber, and the drainage assembly is communicated with the drainage chamber. The application has the following expected technical effects: the grouting assembly can inject slurry into the water seepage part for plugging, effectively prevents a soil body in a pit from being softened, further improves the passive resistance of the enclosure structure, effectively improves the plugging efficiency, and can also prevent overlarge internal pressure, so that the slurry flows back and breaks through the slurry by water flow when the device plugs the water seepage part on the wall body of the foundation pit.

Description

Foundation pit side wall leakage plugging device
Technical Field
The utility model relates to the field of pit-based operation, in particular to a foundation pit side wall leakage plugging device.
Background
The foundation pit seepage is a common construction defect in foundation pit waterproof curtain construction, particularly, underground water is abundant and the water level is high in southern areas, the foundation pit seepage is more common, the foundation pit is exposed for a long time and can be excavated to a certain depth, the lower soil can bulge upwards after pressure is released, soil in the pit can be softened due to rainfall or water discharged into the pit, the passive resistance of the enclosure structure is reduced, the enclosure structure is displaced into the pit, the sedimentation and deformation of the periphery of the foundation pit are caused, and the safety of peripheral buildings and structures is endangered.
Chinese utility model patent with publication number CN 210341960U discloses a deep basal pit plugging device, and its technical scheme main points are: including being used for inserting the inserted tube of the exterior side water leakage department of the envelope of foundation ditch, inserted tube one end intercommunication has drinking-water pipe and defeated thick liquid pipe simultaneously, the drinking-water pipe other end is connected with the self priming pump that is located outside the foundation ditch, defeated thick liquid pipe other end is connected with the pump of sending the thick liquid that is located outside the foundation ditch.
The device improves foundation ditch shutoff efficiency that leaks, but defeated thick liquid pipe and outlet pipe all adopt same root pipeline to carry out the operation, and when foundation ditch lateral wall water pressure was too big, the mud of shutoff is broken easily, and mud and the water in the confined space easily cause the backward flow under the high pressure state, cause the mud to run off, lead to the waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a foundation pit side wall leakage plugging device aiming at the problems in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a foundation ditch lateral wall seepage plugging device, includes foundation ditch wall body, envelope, slip casting subassembly and drainage subassembly, the envelope cover set up in infiltration department on the foundation ditch wall body, just the envelope with the foundation ditch wall body is formed with an inclosed space, be provided with the filter in the envelope and divide into grouting chamber and drainage chamber with this space, the grouting subassembly communicate in the grouting chamber, the drainage subassembly communicates the drainage chamber.
Through the technical scheme, the foundation pit wall provides a stable mounting position for other components, the enclosure structure is used for sealing the water seepage position on the foundation pit wall, the settlement and deformation of the periphery of the foundation pit are effectively avoided, the safety of peripheral buildings and structures is guaranteed, the grouting component can inject slurry into the water seepage position for plugging, the soil body in the pit is effectively prevented from being softened, the passive resistance of the enclosure structure is further improved, the water pressure of the drainage component can be reduced when the wall seeps water, the grouting is more convenient, the phenomenon that the slurry is broken by water flow due to overlarge internal pressure is avoided, and the slurry plugging effect is assisted to be improved. The device is when carrying out the shutoff to the infiltration department on the foundation ditch wall body, gets rid of the water of inside simultaneously, has effectively improved shutoff efficiency, can also prevent that internal pressure is too big, makes mud backward flow and rivers break through mud, and the device simple structure, and the constructor of being convenient for carries out quick installation, convenient to use.
The slip casting subassembly includes the high-pressure grouting pump, advances thick liquid pipe and filter screen, the high-pressure grouting pump sets up foundation ditch wall body top, the one end of advancing thick liquid pipe communicate in the high-pressure grouting pump, the other end that advances thick liquid pipe pierces through drainage chamber and communicate in the slip casting chamber, the filter screen sets up advance in the thick liquid pipeline, be provided with defeated thick liquid pipe on the high-pressure grouting pump, the filter screen sets up in defeated thick liquid is intraductal.
Through the technical scheme, the high-pressure grouting pump can make faster injection grouting chamber of mud, and keep certain pressure, place the mud backward flow, the filter screen is used for filtering mud, prevent to appear too big granule in the mud, cause equipment blocking, the supplementary mud shutoff effect that has promoted, this subassembly can make that mud is better carries out the shutoff to infiltration department, the crack on the foundation ditch wall body is buried more easily simultaneously, make the shutoff effect obtain further promotion, can also prevent mud backward flow simultaneously.
The pulp inlet pipe is also provided with a one-way valve.
Through above-mentioned technical scheme, the check valve can effectually prevent to make mud and water flow back through the slip casting pipe because of the indoor pressure of slip casting is too big, has promoted the stability of equipment operation, and the effect is better.
The drainage component comprises a water pump and an outlet pipe, the water pump is arranged at the top of the foundation pit wall body, one end of the outlet pipe is communicated with the water pump, and the other end of the outlet pipe is communicated with the drainage chamber.
Through above-mentioned technical scheme, this subassembly can carry out the drainage to the foundation ditch wall body when not stopping slip casting, and the practicality is high, takes out inside water through the water pumper and leaves, prevents that water pressure is too big, and mud can't pour into, and the supplementary slip casting effect that has promoted has accelerated the solidification rate of mud.
A plurality of mounting holes are further formed in the two ends of the enclosure structure, fixing anchor rods are arranged on the mounting holes, and one ends of the fixing anchor rods penetrate into the foundation pit wall.
Through the technical scheme, the stability of the enclosure structure can be effectively improved by the aid of the fixed anchor rods matched with the mounting holes, so that the internal bearing strength is higher, the internal grouting effect is improved in an auxiliary mode, and workers can install and dismantle the anchor rod conveniently.
And a water stop bag is further arranged at the fixed connection part of the fixed anchor rod and the enclosure structure.
Through above-mentioned technical scheme, the stagnant water bag can effectively prevent that the water in the wall from flowing because of the gap that the fixed stock nailed the interior production of foundation ditch wall body, has promoted foundation ditch wall body and envelope's stability of being connected.
And a filter membrane is arranged on one side of the filter plate in the grouting chamber.
Through above-mentioned technical scheme, the filter membrane can effectively filter the silt of aquatic, prevents mud and sand and soil loss, forms the effect of permeating water and not permeating sand, avoids mud extravagant, has also promoted the shutoff effect of mud simultaneously.
The enclosure structure is made of stainless steel, and the filter plate is made of stainless steel mesh.
Through above-mentioned technical scheme, nonrust tubular product matter corrosion resistance is strong, and intensity is big, can effectively promote the bearing strength of slip casting room, long service life, and the stainless steel net makes the filter membrane installation more firm, and the filter effect further promotes.
Compared with the prior art, the utility model has the beneficial effects that:
1. the foundation pit wall provides a stable mounting position for other components, the enclosure structure is used for sealing the water seepage position on the foundation pit wall, the settlement and deformation of the periphery of the foundation pit are effectively avoided, the safety of peripheral buildings and structures is guaranteed, the grouting component can inject slurry into the water seepage position for plugging, the soil body in the pit is effectively prevented from being softened, the passive resistance of the enclosure structure is further improved, the water pressure of the drainage component can be reduced when the wall body seeps water, the grouting is more convenient, the phenomenon that the slurry is broken by water flow due to overlarge internal pressure is avoided, and the slurry plugging effect is assisted to be improved. When the device is used for plugging a water seepage position on a foundation pit wall, water in the device is drained at the same time, so that the plugging efficiency is effectively improved, the excessive internal pressure can be prevented, the slurry is enabled to flow back, and the slurry is broken by water flow;
2. the high-pressure grouting pump can enable slurry to be injected into a grouting chamber faster, certain pressure intensity is kept, slurry backflow is placed, the filter screen is used for filtering the slurry, overlarge particles are prevented from appearing in the slurry, equipment blockage is caused, the slurry plugging effect is promoted in an auxiliary mode, the assembly can enable the slurry to be plugged at a water seepage position better, meanwhile, cracks on a foundation pit wall body are filled more easily, the plugging effect is further improved, and meanwhile, the slurry backflow can be prevented.
Drawings
Fig. 1 is a schematic structural view of a foundation pit side wall leakage plugging device according to the present invention;
in the figure: 1. a foundation pit wall body; 2. an enclosure structure; 3. a grouting component; 4. a drainage assembly; 11. fixing an anchor rod; 12. a water-stopping bag; 21. a grouting chamber; 22. a drain chamber; 23. a filter plate; 31. a high-pressure grouting pump; 32. a pulp inlet pipe; 33. a filter screen; 34. a pulp conveying pipe; 35. a one-way valve; 41. a water pump; 42. and (5) discharging a water pipe.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in a combined figure 1, the foundation pit side wall leakage plugging device comprises a foundation pit wall 1, an enclosure structure 2, a grouting component 3 and a drainage component 4, wherein the enclosure structure 2 covers a water seepage part arranged on the foundation pit wall 1, a closed space is formed between the enclosure structure 2 and the foundation pit wall 1, a filter plate 23 is arranged in the enclosure structure 2 to divide the space into a grouting chamber 21 and a drainage chamber 22, the foundation pit wall 1 provides a stable installation position for other components, the enclosure structure 2 is used for closing the water seepage part on the foundation pit wall 1, so that the settlement and deformation of the periphery of the foundation pit are effectively avoided, the safety of peripheral buildings and structures is guaranteed, the grouting component 3 is communicated with the grouting chamber 21, the drainage component 4 is communicated with the drainage chamber 22, the grouting component 3 can inject slurry into the water seepage part for plugging, the soil body in the pit is effectively prevented from being softened, and the passive resistance of the enclosure structure 2 is further improved, the water drainage component 4 can reduce water pressure when the wall body is seeped, so that grouting is more convenient, the phenomenon that the mud is broken by water flow due to overlarge internal pressure is prevented, and the mud plugging effect is improved in an auxiliary mode. The device is when carrying out the shutoff to the infiltration department on the foundation ditch wall body 1, gets rid of the water of inside simultaneously, has effectively improved shutoff efficiency, can also prevent that internal pressure is too big, makes mud backward flow and rivers break through mud, and the device simple structure, and the constructor of being convenient for installs convenient to use fast.
The grouting component 3 comprises a high-pressure grouting pump 31, a slurry inlet pipe 32 and a filter screen 33, the high-pressure grouting pump 31 is arranged at the top of the foundation pit wall 1, one end of the slurry inlet pipe 32 is communicated with the high-pressure grouting pump 31, the other end of the slurry inlet pipe 32 penetrates through the drainage chamber 22 and is communicated with the grouting chamber 21, the filter screen 33 is arranged in the slurry inlet pipe 32, the high-pressure grouting pump 31 is provided with a slurry conveying pipe 34, the filter screen 33 is arranged in the slurry conveying pipe 34, the high-pressure grouting pump 31 can enable slurry to be quickly injected into the grouting chamber 21, and keeps a certain pressure, the mud is placed to flow back, the filter screen 33 is used for filtering the mud, so that the equipment blockage caused by overlarge particles in the mud is prevented, the mud plugging effect is assisted to be improved, this subassembly can make that mud is better carries out the shutoff to the infiltration department, and the crack on the foundation ditch wall body 1 is more buried to the while, makes the shutoff effect obtain further promotion, can also prevent mud backward flow simultaneously.
Still be provided with check valve 35 on advancing the thick liquid pipe 32, check valve 35 can effectually prevent to make mud and water through the slip casting pipe backward flow because of the pressure is too big in slip casting room 21, has promoted the stability of equipment operation, and the effect is better.
Drainage component 4 includes water pumper 41 and outlet pipe 42, and water pumper 41 sets up at foundation ditch wall body 1 top, and the one end of outlet pipe 42 communicates in water pumper 41, and the other end of outlet pipe 42 communicates in drainage chamber 22, and this subassembly can be carried out the drainage to foundation ditch wall body 1 when not stopping slip casting, and the practicality is high, takes out inside water through water pumper 41 from, prevents that water pressure is too big, and mud can't pour into, has assisted the slip casting effect that has promoted for the solidification rate of mud.
The both ends of envelope 2 still are provided with a plurality of mounting holes, are provided with fixed stock 11 on the mounting hole, and a plurality of mounting holes cooperate fixed stock 11 can effectual promotion envelope 2's stability, make inside bearing strength bigger, and the supplementary effect that has promoted inside slip casting is convenient for the staff and installs and demolish.
The fixed connection part of the fixed anchor rod 11 and the enclosure structure 2 is also provided with a water stop bag 12, and the water stop bag 12 can effectively prevent water in the wall body from flowing out of a gap generated when the fixed anchor rod 11 enters the foundation pit wall body 1, so that the connection stability of the foundation pit wall body 1 and the enclosure structure 2 is improved.
Be located filter 23 one side in slip casting room 21 and be provided with the filter membrane, the filter membrane can effectively filter the silt of aquatic, prevents mud and sand and soil loss, forms the effect of permeating water and not passing through sand, avoids mud extravagant, has also promoted the shutoff effect of mud simultaneously.
Envelope 2 is stainless steel, and filter 23 is the stainless steel net, and the corrosion resistance of stainless steel pipe material is strong, and intensity is big, can effectively promote the bearing strength of slip casting room 21, long service life, and the stainless steel net makes the filter membrane installation more firm, and the filter effect further promotes.
The implementation principle of the embodiment of the application is as follows: the foundation pit wall body 1 provides a stable mounting position for other components, the enclosing structure 2 is used for sealing the water seepage position on the foundation pit wall body 1, the sedimentation and deformation of the periphery of the foundation pit are effectively avoided, the safety of peripheral buildings and structures is guaranteed, the grouting component 3 can inject slurry into the water seepage position for plugging, the soil body in the pit is effectively prevented from being softened, the passive resistance of the enclosing structure 2 is further improved, the water pressure of the drainage component 4 can be reduced when the wall body seeps water, the grouting is more convenient, the phenomenon that the slurry is broken by water flow due to overlarge internal pressure is avoided, and the slurry plugging effect is assisted to be improved. The device is when carrying out the shutoff to the infiltration department on the foundation ditch wall body 1, gets rid of the water of inside simultaneously, has effectively improved shutoff efficiency, can also prevent that internal pressure is too big, makes mud backward flow and rivers break through mud, and the device simple structure, and the constructor of being convenient for installs convenient to use fast.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a foundation ditch lateral wall seepage plugging device, its characterized in that, including foundation ditch wall body (1), envelope (2), slip casting subassembly (3) and drainage subassembly (4), envelope (2) cover set up in infiltration department on foundation ditch wall body (1), just envelope (2) with foundation ditch wall body (1) is formed with an inclosed space, be provided with filter (23) in envelope (2) with this space share slip casting room (21) and drainage chamber (22), slip casting subassembly (3) set up in on foundation ditch wall body (1) and communicate with in slip casting room (21), drainage subassembly (4) set up in on foundation ditch wall body (1) and communicate with drainage chamber (22).
2. The foundation pit side wall leakage plugging device of claim 1, characterized in that slip casting subassembly (3) include high-pressure slip casting pump (31), advance thick liquid pipe (32) and filter screen (33), high-pressure slip casting pump (31) set up foundation pit wall body (1) top, advance the one end of thick liquid pipe (32) communicate in high-pressure slip casting pump (31), the other end of advancing thick liquid pipe (32) pierces through drainage chamber (22) and communicate in slip casting chamber (21), filter screen (33) set up advance thick liquid pipe (32) in the way, be provided with defeated thick liquid pipe (34) on high-pressure slip casting pump (31), filter screen (33) set up in defeated thick liquid pipe (34).
3. The foundation pit side wall leakage plugging device according to claim 2, wherein a one-way valve (35) is further arranged on the grout inlet pipe (32).
4. The foundation pit side wall leakage plugging device according to claim 1, wherein said drainage component (4) comprises a water pump (41) and a water outlet pipe (42), said water pump (41) is disposed on the top of said foundation pit wall (1), one end of said water outlet pipe (42) is communicated with said water pump (41), and the other end of said water outlet pipe (42) is communicated with said drainage chamber (22).
5. The foundation pit side wall leakage plugging device according to claim 1, wherein a plurality of mounting holes are further formed at two ends of the building enclosure (2), fixing anchor rods (11) are arranged on the mounting holes, and one ends of the fixing anchor rods penetrate into the foundation pit wall (1).
6. The foundation pit side wall leakage plugging device according to claim 5, wherein a water stopping bag (12) is further arranged at the fixed connection position of the fixing anchor rod (11) and the enclosure structure (2).
7. Foundation pit side wall leakage plugging device according to claim 1, characterized in that a filter membrane is arranged in said grouting chamber (21) on the side of said filter plate (23).
8. The foundation pit side wall leakage plugging device according to claim 1, wherein said enclosure structure (2) is made of stainless steel, and said filter plate (23) is made of stainless steel mesh.
CN202122379593.5U 2021-09-29 2021-09-29 Foundation pit side wall leakage plugging device Active CN216075198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122379593.5U CN216075198U (en) 2021-09-29 2021-09-29 Foundation pit side wall leakage plugging device

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Application Number Priority Date Filing Date Title
CN202122379593.5U CN216075198U (en) 2021-09-29 2021-09-29 Foundation pit side wall leakage plugging device

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CN216075198U true CN216075198U (en) 2022-03-18

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CN202122379593.5U Active CN216075198U (en) 2021-09-29 2021-09-29 Foundation pit side wall leakage plugging device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115573373A (en) * 2022-10-21 2023-01-06 中国电建集团成都勘测设计研究院有限公司 Plugging device and method for underground concrete permeable wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115573373A (en) * 2022-10-21 2023-01-06 中国电建集团成都勘测设计研究院有限公司 Plugging device and method for underground concrete permeable wall

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