CN215367355U - Foundation pit water draining system - Google Patents

Foundation pit water draining system Download PDF

Info

Publication number
CN215367355U
CN215367355U CN202121891707.8U CN202121891707U CN215367355U CN 215367355 U CN215367355 U CN 215367355U CN 202121891707 U CN202121891707 U CN 202121891707U CN 215367355 U CN215367355 U CN 215367355U
Authority
CN
China
Prior art keywords
water
well
pipe
foundation pit
ditch
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
Application number
CN202121891707.8U
Other languages
Chinese (zh)
Inventor
梁华庐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jianan Pile Foundation Engineering Co ltd
Original Assignee
Guangdong China Capital Construction Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong China Capital Construction Engineering Co ltd filed Critical Guangdong China Capital Construction Engineering Co ltd
Priority to CN202121891707.8U priority Critical patent/CN215367355U/en
Application granted granted Critical
Publication of CN215367355U publication Critical patent/CN215367355U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The application discloses a foundation pit water draining system, which relates to the technical field of foundation pit water draining and comprises a foundation pit, a water suction pump and a circulating well in order to improve the efficiency of the foundation pit water draining, wherein a drainage ditch is arranged outside the foundation pit, a plurality of well pipes are fixedly arranged on the outer wall of a main drainage pipe, one ends of the well pipes, which are far away from the main drainage pipe, are arranged inside a filter pipe, an input end of the water suction pump is fixedly connected with a water inlet pipe, an output end of the water suction pump is fixedly connected with a water outlet pipe, one ends of the water inlet pipe, which are far away from the water suction pump, are fixedly connected with the main drainage pipe, one ends of the water outlet pipe, which are far away from the water suction pump, are arranged inside the circulating well, the right side of the circulating well is fixedly connected with a circulating pipe and an overflow pipe, in the using process of the foundation pit, the moisture in the soil outside the foundation pit gradually permeates into the bottom of the foundation pit, the water seepage well slowly enters the seepage well, and is firstly filtered by water filtering pebbles, and the filtered water enters the plastic blind ditch, and the seepage water is collected through the plastic blind ditch.

Description

Foundation pit water draining system
Technical Field
The application relates to the technical field of foundation pit drainage, in particular to a foundation pit drainage system.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. When the excavation is not deep, a side slope placing method can be used to stabilize the soil slope, and the gradient size is determined according to relevant construction regulations. When a building is excavated deeply and nearby, a foundation pit wall supporting method and a concrete spraying wall protecting method can be used, a large foundation pit even adopts methods of interlocking underground continuous walls and column type cast-in-situ bored piles, and the like, the soil layer on the outer side of the protection is collapsed, foundation pit dewatering refers to dewatering work which is performed when the underground water level is higher than the excavation bottom surface and the underground water can continuously seep into the pit when the foundation pit is excavated, so that the foundation pit can be constructed under a dry condition, and side slope instability, basic quicksand, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction are prevented.
Foundation ditch among the prior art need install the filter bottom the drain pipe at the sluicing in-process, because the moisture in the soil contains a large amount of earth, leads to the filter to block up easily and need often change, seriously influences sluicing efficiency.
SUMMERY OF THE UTILITY MODEL
In order to reduce the filter and block up and lead to often changing, seriously influence the problem of sluicing efficiency, this application provides a foundation ditch sluicing system.
The application provides a foundation ditch sluicing system adopts following technical scheme:
a foundation pit water draining system comprises a foundation pit, a water suction pump and a circulating well, wherein a drainage ditch is arranged on the outer side of the foundation pit, a main drainage pipe is fixedly arranged in the drainage ditch, a dewatering well is arranged at the bottom of the drainage ditch, a clay layer and a sand filtering layer are arranged on the inner wall of the dewatering well, the clay layer is positioned above the sand filtering layer, a filtering pipe is fixedly arranged at the bottom of the dewatering well, a plurality of supporting rods are fixedly arranged at the inner middle part of the dewatering well, a plurality of well pipes are fixedly arranged on the outer wall of the main drainage pipe, one ends of the well pipes, far away from the main drainage pipe, are arranged in the filtering pipe, an input end of the water suction pump is fixedly connected with a water inlet pipe, an output end of the water suction pump is fixedly connected with a water outlet pipe, one end of the water inlet pipe, far away from the water suction pump, is fixedly connected with the main drainage pipe, one end of the water outlet pipe is arranged in the circulating well, the right side of the circulating well is fixedly connected with a circulating pipe and an overflow pipe.
By adopting the technical scheme, when the foundation pit needs to be drained, firstly, a drainage ditch is dug out at the periphery of the foundation pit, a precipitation well is arranged at the bottom of the drainage ditch, the main drainage pipe is arranged inside the drainage ditch, meanwhile, the well pipe on the outer wall of the main drainage pipe is placed into the precipitation well, the water in the precipitation well is pumped out through the water suction pump, when water flows into the precipitation well, large-particle impurities in the water are firstly filtered through the sand filtering layer, then fine particles are filtered through the filtering pipe, finally, the water is pumped into the well pipe, the impurities in the water are greatly reduced, meanwhile, a filter does not need to be arranged at the bottom of the well pipe, the working efficiency is improved, the water pumped out by the water suction pump enters the circulation well through the drainage pipe, the water in the circulation well is discharged through the circulation pipe after being precipitated, and when the water level in the circulation well is higher, the water is discharged through the overflow pipe.
Optionally, a percolating well is arranged at the bottom of the foundation pit, a plastic blind ditch is fixedly mounted in the percolating well, and water filtering pebbles are laid between the plastic blind ditch and the percolating well.
Through adopting above-mentioned technical scheme, in the foundation ditch use, the moisture in the earth of foundation ditch outside permeates gradually and gets into the foundation ditch bottom, and during the water of foundation ditch bottom slowly got into the infiltration well, filtered the infiltration earlier through the drainage cobble, and the infiltration is collected through the plastics french drain in the moisture entering plastics french drain after the filtration.
Optionally, the inner wall of the water seepage well is provided with a water-permeable geotextile.
Through adopting above-mentioned technical scheme, carry out water through the geotechnological cloth that permeates water and filter, strengthen the tensile strength and the anti deformability of infiltration well simultaneously.
Optionally, the particle size of the water-filtered pebbles is 25-40 mm.
Optionally, the overflow pipe leads to a river at the end remote from the circulation well.
Through adopting above-mentioned technical scheme, when the water level in the circulating well is higher, excrete rivers through the overflow pipe, prevent during rivers flow backward into the foundation ditch.
Optionally, the circulation pipe is open to a factory or residential area at an end remote from the circulation well.
By adopting the technical scheme, the precipitated water flow enters regions such as factories and houses through the circulating pipe, so that the recycling of water resources is improved.
In summary, the present application includes at least one of the following benefits:
1. the water in the dewatering well is pumped out through the water suction pump, when water flow enters the dewatering well, large-particle impurities in the water are firstly filtered through the sand filtering layer, fine particles are filtered through the filtering pipe, and finally the water is pumped into the well pipe, so that the impurities in the water are greatly reduced, meanwhile, a filter does not need to be installed at the bottom of the well pipe, the working efficiency is improved, the water pumped out by the water suction pump enters the circulating well through the water drainage pipe, the water in the circulating well is discharged through the circulating pipe after being precipitated, and when the water level in the circulating well is high, the water is discharged through the overflow pipe;
2. in the foundation ditch use, the moisture in the earth of foundation ditch outside permeates gradually and gets into the foundation ditch bottom, and during the water of foundation ditch bottom slowly got into the infiltration well, filtered the infiltration earlier through the drainage cobble, during the moisture entering plastics french drain after the filtration, collected the infiltration through the plastics french drain.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is an enlarged view of a in the present invention.
Description of reference numerals: 1. a foundation pit; 2. a drainage ditch; 3. a main drain pipe; 4. dewatering wells; 5. a clay layer; 6. a sand filtration layer; 7. a filter tube; 8. a support rod, 9, a well pipe; 10. a water pump; 11. a water inlet pipe; 12. a water outlet pipe; 13. a circulation well; 14. a circulation pipe; 15. an overflow pipe; 16. a water seepage well; 17. filtering the water pebbles; 18. and (4) plastic blind ditches.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The application discloses foundation ditch sluicing system. Referring to fig. 1 and 2, the foundation pit comprises a foundation pit 1, a water suction pump 10 and a circulation well 13, wherein a drainage ditch 2 is arranged on the outer side of the foundation pit 1, a main drainage pipe 3 is fixedly arranged inside the drainage ditch 2, a dewatering well 4 is arranged at the bottom of the drainage ditch 2, water flow outside the foundation pit 1 is drained through the dewatering well 4, a clay layer 5 and a sandstone filtration layer 6 are arranged on the inner wall of the dewatering well 4, the clay layer 5 is positioned above the sandstone filtration layer 6, a filtration pipe 7 is fixedly arranged at the bottom of the dewatering well 4, a plurality of well pipes 9 are fixedly arranged on the outer wall of the main drainage pipe 3, one ends of the well pipes 9 far away from the main drainage pipe 3 are arranged inside the filtration pipe 7, when water flow enters the dewatering well 4, large-particle impurities in the water are firstly filtered through the sandstone filtration layer 6, then fine particles are filtered through the filtration pipe 7, and finally the water is pumped into the well pipes 9, so that the impurities in the water are greatly reduced, and a filter does not need to be arranged at the bottom of the well pipes 9, a plurality of support rods 8 are fixedly mounted at the middle end inside the dewatering well 4, and the stability of the dewatering well 4 is improved through the support rods 8.
The input end of a water suction pump 10 is fixedly connected with a water inlet pipe 11, the output end of the water suction pump 10 is fixedly connected with a water outlet pipe 12, one end of the water inlet pipe 11, far away from the water suction pump 10, is fixedly connected with a main drain pipe 3, one end of the water outlet pipe 12, far away from the water suction pump 10, is arranged inside a circulating well 13, water pumped by the water suction pump 10 enters the circulating well 13 through the water drain pipe 12, the right side of the circulating well 13 is fixedly connected with a circulating pipe 14 and an overflow pipe 15, water in the circulating well 13 is discharged through the circulating pipe 14 after being precipitated, when the water level in the circulating well 13 is high, the water is discharged through the overflow pipe 15, the water is prevented from being poured into the foundation pit 1, one end of the circulating pipe 14, far away from the circulating well 13, is led to areas such as factories and residences, and the precipitated water enters the factories and the factories through the circulating pipe 14, In residential areas and the like, the recycling of water resources is improved.
Referring to fig. 3, a water seepage well 16 is arranged at the bottom of the foundation pit 1, a water permeable geotextile is arranged on the inner wall of the water seepage well 16, water is filtered through the water permeable geotextile, the tensile strength and the deformation resistance of the water seepage well 16 are enhanced, water in soil outside the foundation pit 1 gradually permeates into the bottom of the foundation pit 1, the water at the bottom of the foundation pit 1 slowly enters the water seepage well 16, a plastic blind ditch 18 is fixedly arranged inside the water seepage well 16, the filtered water enters the plastic blind ditch 18, seepage water is collected through the plastic blind ditch 18, water filtering pebbles 17 are laid between the plastic blind ditch 18 and the water seepage well 16, the particle size of the water filtering pebbles 17 is 25-40mm, and the seepage water is filtered through the water filtering pebbles 17.
The application principle of a foundation ditch sluicing system of this application does:
the water in the dewatering well 4 is pumped out through the water suction pump 10, when water flows into the dewatering well 4, large-particle impurities in the water are firstly filtered through the sand filtering layer 6, fine particles are filtered through the filtering pipe 7, and finally the water is pumped into the well pipe 9, so that the impurities in the water are greatly reduced, meanwhile, a filter does not need to be installed at the bottom of the well pipe 9, the working efficiency is improved, the water pumped out by the water suction pump 10 enters the circulating well 13 through the water drainage pipe 12, the water in the circulating well 13 is discharged through the circulating pipe 14 after being precipitated, and when the water level in the circulating well 13 is high, the water is discharged through the overflow pipe 15.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. The utility model provides a foundation ditch sluicing system, includes foundation ditch (1), suction pump (10) and circulation well (13), its characterized in that: the foundation ditch is characterized in that a drainage ditch (2) is arranged on the outer side of the foundation ditch (1), a main drainage pipe (3) is fixedly arranged in the drainage ditch (2), a precipitation well (4) is arranged at the bottom of the drainage ditch (2), the inner wall of the precipitation well (4) is provided with a clay layer (5) and a sandstone filter layer (6), the clay layer (5) is positioned above the sandstone filter layer (6), a filter pipe (7) is fixedly arranged at the bottom of the precipitation well (4), a plurality of support rods (8) are fixedly arranged at the middle end in the precipitation well (4), a plurality of well pipes (9) are fixedly arranged on the outer wall of the main drainage pipe (3), one ends, far away from the main drainage pipe (3), of the well pipes (9) are arranged in the filter pipe (7), an input end of a water suction pump (10) is fixedly connected with a water inlet pipe (11), and an output end of the water suction pump (10) is fixedly connected with a water outlet pipe (12), intake pump (10) one end and total drainage pipe (3) fixed connection are kept away from in inlet tube (11), outlet pipe (12) are kept away from intake pump (10) one end and are set up inside circulation well (13), circulation well (13) right side fixedly connected with circulating pipe (14) and overflow pipe (15).
2. A foundation pit drainage system according to claim 1, wherein: the foundation ditch is characterized in that a water seepage well (16) is arranged at the bottom of the foundation ditch (1), a plastic blind ditch (18) is fixedly arranged in the water seepage well (16), and water filtering pebbles (17) are laid between the plastic blind ditch (18) and the water seepage well (16).
3. A foundation pit drainage system according to claim 2, wherein: and the inner wall of the water seepage well (16) is provided with permeable geotextile.
4. A foundation pit drainage system according to claim 2, wherein: the particle size of the water-filtered pebbles (17) is 25-40 mm.
5. A foundation pit drainage system according to claim 1, wherein: the end of the overflow pipe (15) far away from the circulating well (13) leads to a river.
6. A foundation pit drainage system according to claim 1, wherein: the end of the circulating pipe (14) far away from the circulating well (13) leads to a factory and a residential area.
CN202121891707.8U 2021-08-12 2021-08-12 Foundation pit water draining system Active CN215367355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121891707.8U CN215367355U (en) 2021-08-12 2021-08-12 Foundation pit water draining system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121891707.8U CN215367355U (en) 2021-08-12 2021-08-12 Foundation pit water draining system

Publications (1)

Publication Number Publication Date
CN215367355U true CN215367355U (en) 2021-12-31

Family

ID=79618672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121891707.8U Active CN215367355U (en) 2021-08-12 2021-08-12 Foundation pit water draining system

Country Status (1)

Country Link
CN (1) CN215367355U (en)

Similar Documents

Publication Publication Date Title
CN209194556U (en) Lock station drainage of foundation pit system
CN102535488B (en) Waterproof construction method for bottom plate of high-water-level basement
CN210066791U (en) A precipitation combined system that is used for foundation ditch pressure release precipitation and dredges precipitation
CN110029680B (en) Deep foundation pit dewatering construction method
CN216475132U (en) Quick dewatering system of foundation ditch
CN110847199A (en) Construction method for drainage of underground water of deep foundation pit
CN113931209A (en) Large-area deep foundation pit weakly permeable stratum underground water level control method
CN216640547U (en) Drainage decompression anti-floating system suitable for weak permeable soft soil stratum
CN211472699U (en) Novel seepage pipe water taking structure for sediment-rich river
CN104328836B (en) A kind of environment-friendly type prefabricated pair of case deep hole type catch pit and construction method thereof
CN209555956U (en) Drop and drainage structure is secretly buried in a kind of drainage
CN215367355U (en) Foundation pit water draining system
CN217325442U (en) Foundation pit shallow drainage system
CN108166516B (en) Sponge city based dewatering well comprehensive utilization system and method
CN114737589A (en) Foundation pit shallow layer drainage method
CN209837072U (en) Foundation pit dewatering system
CN110616772A (en) Recharge system for rainwater storage and monitoring and construction method of recharge system
CN114855813B (en) Foundation pit upper layer stagnant water precipitation slope support device and construction method
CN218540931U (en) Anti-floating water pool for water-rich area
CN204225257U (en) A kind of environment-friendly type prefabricated pair of case deep hole type catch pit
CN212835459U (en) Interim drainage system of foundation ditch
CN219080334U (en) Foundation pit with be favorable to drainage structures
CN214194600U (en) Foundation pit emergency remediation precipitation well structure
CN214401733U (en) Novel eccentric catchment outlet
CN219621808U (en) Bank protection foundation pit drainage structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230509

Address after: 523000 1st floor, Jian'an building, Guangda Road, Dongcheng Street, Dongguan City, Guangdong Province

Patentee after: Dongguan Jianan Pile Foundation Engineering Co.,Ltd.

Address before: 518172 room 601-2, Bantian building, Bantian community, Bantian street, Longgang District, Shenzhen City, Guangdong Province

Patentee before: Guangdong China Capital Construction Engineering Co.,Ltd.

TR01 Transfer of patent right