CN114263200A - Civil construction foundation pit drainage structure and construction method thereof - Google Patents
Civil construction foundation pit drainage structure and construction method thereof Download PDFInfo
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- CN114263200A CN114263200A CN202111646876.XA CN202111646876A CN114263200A CN 114263200 A CN114263200 A CN 114263200A CN 202111646876 A CN202111646876 A CN 202111646876A CN 114263200 A CN114263200 A CN 114263200A
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 367
- 238000005086 pumping Methods 0.000 claims abstract description 3
- 238000007667 floating Methods 0.000 claims description 34
- 239000002689 soil Substances 0.000 claims description 33
- 229920000742 Cotton Polymers 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 28
- 238000005192 partition Methods 0.000 claims description 17
- 239000012466 permeate Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008595 infiltration Effects 0.000 description 12
- 238000001764 infiltration Methods 0.000 description 12
- 239000004576 sand Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 239000004927 clay Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
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Abstract
The application relates to a drainage structure of a civil construction foundation pit, which comprises a foundation pit body and a water storage tank buried at the bottom of the foundation pit body, wherein a water inlet is formed in the water storage tank, a water guide groove is formed in the bottom of the foundation pit body and is communicated with the water inlet of the water storage tank, a drainage pipe is communicated in the water storage tank, a water storage tank is communicated with one end, far away from the water storage tank, of the drainage pipe, the water storage tank is arranged at the top of the foundation pit body, and a water suction pump for pumping water in the water storage tank to the water storage tank is arranged on the drainage pipe; the water storage tank is communicated with a water guide pipe, the water guide pipe is buried at the periphery of the foundation pit body, and the water guide pipe is communicated with a plurality of water outlet pipes. When this application has foundation ditch drainage, the high effect of foundation ditch overall structure stability.
Description
Technical Field
The application relates to the technical field of foundation pit drainage, in particular to a civil construction foundation pit drainage structure and a construction method thereof.
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; because the bottom surface of part of the foundation pit is lower than the underground water level, underground water can continuously permeate into the foundation pit, and the foundation pit is usually required to be subjected to drainage treatment in order to ensure that the foundation pit can be constructed under a dry condition; at present, when carrying out the drainage to the foundation ditch, can directly take out the inside water of foundation ditch through the suction pump usually.
Underground water can increase the viscosity of soil around the foundation pit and has certain buoyancy to buildings around the foundation pit, and the water level around the foundation pit can also fall along with the foundation pit in the drainage process of the foundation pit, so that the buoyancy of the underground water to the buildings on the ground is reduced, the soft soil layer is compressed and settled, and the stability of the whole structure of the foundation pit is affected.
Disclosure of Invention
In order to improve the stability of the whole structure of a foundation pit during foundation pit drainage, the application provides a civil engineering foundation pit drainage structure and a construction method thereof.
First aspect, the application provides a civil engineering foundation ditch drainage structures adopts following technical scheme:
a drainage structure of a civil construction foundation pit comprises a foundation pit body and a water storage tank buried at the bottom of the foundation pit body, wherein a water inlet is formed in the water storage tank, a water guide groove is formed in the bottom of the foundation pit body and is communicated with the water inlet of the water storage tank, a drainage pipe is communicated in the water storage tank, a water storage tank is communicated with one end, far away from the water storage tank, of the drainage pipe, the water storage tank is arranged at the top of the foundation pit body, and a water suction pump used for pumping water in the water storage tank to the water storage tank is arranged on the drainage pipe; the water storage tank is communicated with a water guide pipe, the water guide pipe is buried at the periphery of the foundation pit body, and the water guide pipe is communicated with a plurality of water outlet pipes.
Through adopting above-mentioned technical scheme, the inside groundwater of infiltration foundation ditch body collects in passing through the leading-in water storage box of guiding gutter, and in rethread drain pipe and suction pump were with the leading-in storage water tank of water in the water storage box, the rivers that get into in the storage water tank flow into in the water pipe, flow through the outlet pipe at last, and in the infiltration foundation ditch body outlying soil horizon again, carrying out the in-process of drainage to the foundation ditch body, can not influence the water level around the foundation ditch body to foundation ditch body overall structure's stability has been improved greatly.
Optionally, a settling tank is fixedly arranged in the water storage tank, the settling tank is communicated with the water inlet, and a connector communicated with the inside of the water storage tank is formed in the settling tank.
Through adopting above-mentioned technical scheme, the aquatic that gets into the water storage box contains a large amount of sand and soil, deposits the sand and soil of aquatic through the setting tank to prevent to a certain extent that this internal sand and soil of foundation ditch from getting into in drain pipe or the aqueduct, cause the jam.
Optionally, a water filtering cover is fixedly arranged at the connecting port of the settling tank, water filtering cotton is arranged in the water filtering cover, and a plurality of water through holes are formed in the two ends of the water filtering cover.
Through adopting above-mentioned technical scheme, a small amount of earth is still floating in the aquatic after the sediment, and this part earth filters through the drainage cotton that filters the water lid, further improves the separation effect to the sandy soil of aquatic.
Optionally, the connector is arranged at the top of the sedimentation tank, the water filtering cover is detachably connected with the sedimentation tank, the top wall of the water storage tank is provided with a discharge port, and the discharge port of the water storage tank is provided with a sealing cover.
Through adopting above-mentioned technical scheme, after the setting tank was used for a long time, can pile up a large amount of sand and soil in the setting tank, through opening the sealed lid at water storage tank top to the lid of will straining is dismantled from the setting tank and is got off, can realize the clearance to silt in the setting tank.
Optionally, a travel switch is fixedly arranged in the water storage tank, the travel switch is connected with the water suction pump, a floating plate is arranged in the water storage tank in a sliding mode, a floating piece used for enabling the floating plate to lift along with the water level in the water storage tank is arranged on the floating plate, and a contact block used for touching the travel switch is arranged on the floating plate.
Through adopting above-mentioned technical scheme, water collects in getting into the water storage box after the water storage box, and along with the rising of water level in the water storage box, promote the kickboard through the float and rise, when the water reachs certain degree in the water storage box, contact block and travel switch contact on the kickboard to start travel switch orders about the suction pump and starts, takes out the water in the water storage box from, does not need artifical timing to start the suction pump and draws water to the water storage box, has saved the manpower greatly.
Optionally, all be provided with the bolster in the outlet pipe, the bolster is used for reducing the impact force when water flows out from the outlet pipe.
Through adopting above-mentioned technical scheme, reduce the impact force when water flows out from the outlet pipe through the bolster, prevent to a certain extent that the rivers impact force is too big to break away the earth around the outlet pipe, thereby cause the collapse of aqueduct upper strata earth.
Optionally, the bolster is including the infiltration cotton, the intraductal fixed first baffle and the second baffle that is provided with of outlet water, the cotton setting of infiltration is between first baffle and second baffle, the apopore has all been seted up on first baffle and the second baffle.
Through adopting above-mentioned technical scheme, when water flows from the outlet pipe, carry out the separation to water through the infiltration cotton, later, water slowly permeates soil through the infiltration cotton in to the reduction of impact force when realizing flowing water from the outlet pipe.
Optionally, the first partition plate is detachably connected with the water outlet pipe.
Through adopting above-mentioned technical scheme, the back that finishes is under construction to the foundation ditch body, need retrieve storage water tank, aqueduct etc. and recycle, through dismantling first baffle in the outlet pipe, be convenient for change the infiltration cotton to prevent to a certain extent that the infiltration cotton is stained with clay and leads to the outlet pipe to block up.
Optionally, a mounting sleeve is fixedly arranged on the first partition plate, the water outlet hole in the first partition plate is communicated with the inside of the mounting sleeve, an external thread is formed in the side wall of the mounting sleeve, and an internal thread matched with the external thread in the mounting sleeve is formed in the inner wall of the water outlet pipe.
Through adopting above-mentioned technical scheme, through rotating the installation sleeve, make the installation sleeve break away from in following the outlet pipe, can follow the interior take off of outlet pipe with first baffle.
In a second aspect, the present application provides a construction method for a drainage structure of a civil construction foundation pit, which adopts the following technical scheme:
a construction method of a civil construction foundation pit drainage structure comprises the following steps:
s1, after the foundation pit body is dug, embedding the water storage tank at the bottom of the foundation pit body, digging a water guide groove at the bottom of the foundation pit body, enabling the water guide groove to be communicated with a water inlet of the water storage tank, placing a water storage tank at the top of the foundation pit body, enabling a drain pipe of the water storage tank to be communicated with the water storage tank, embedding a water guide pipe at the periphery of the foundation pit body, and enabling the water guide pipe to be communicated with the water storage tank;
s2, guiding the underground water permeating into the foundation pit body into a water storage tank through a water guide groove, precipitating sandy soil in the water by the water entering the water storage tank through a precipitation tank, and filtering soil floating in the water by filtering water filter cotton on a water filter cover;
s3, the settled water enters the water storage tank, the floating plate is pushed to rise through the floating piece along with the rising of the water level in the water storage tank, when the water in the water storage tank reaches a certain degree, the contact block on the floating plate is contacted with the travel switch, the travel switch is started to drive the water suction pump to be started, the water in the water storage tank is pumped into the water storage tank, and finally the water flows out through the water outlet pipe and permeates into the soil layer on the periphery of the foundation pit body again.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the underground water permeating into the foundation pit body is guided into the water storage tank through the water guide groove to be collected, then the water in the water storage tank is guided into the water storage tank through the water discharge pipe and the water suction pump, the water entering the water storage tank flows into the water guide pipe, finally flows out through the water discharge pipe and permeates into the soil layer on the periphery of the foundation pit body again, and the water level around the foundation pit body cannot be influenced in the process of draining the foundation pit body, so that the stability of the whole structure of the foundation pit body is greatly improved;
2. after water enters the water storage tank, the water is collected in the water storage tank, the floating plate is pushed to rise through the floating piece along with the rise of the water level in the water storage tank, when the water in the water storage tank reaches a certain degree, the contact block on the floating plate is contacted with the travel switch, the travel switch is started to drive the water suction pump to be started, the water in the water storage tank is pumped away, the water suction pump does not need to be started manually at regular time to pump the water storage tank, and the labor is greatly saved;
3. when water flows out from the outlet pipe, the cotton separation of carrying on water through the infiltration, later, in water passes through the cotton slow infiltration soil of infiltration to reduce the impact force of water when flowing out from the outlet pipe, thereby prevent to a certain extent that the rivers impact force is too big, and break away the earth around the outlet pipe, thereby cause the collapse of aqueduct upper strata earth.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a partial sectional view of the embodiment of the present application, primarily illustrating the internal structure of the reservoir;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
fig. 5 is a partial structural sectional view of the embodiment of the present application, which is mainly used for expressing the internal structure of the water outlet pipe.
Description of reference numerals: 1. a foundation pit body; 11. a water chute; 2. a water storage tank; 21. a water inlet; 22. a drain pipe; 221. a water pump; 2211. a travel switch; 23. a settling tank; 231. a water pipeline; 232. a connecting port; 233. a water filtering cover; 2331. draining cotton; 2332. a water through hole; 24. a discharge port; 25. a sealing cover; 26. a floating plate; 261. a guide ring; 262. a float member; 263. a contact block; 27. a guide bar; 3. a water storage tank; 4. a water conduit; 41. a water outlet pipe; 411. water seepage cotton; 412. a first separator; 4121. installing a sleeve; 413. a second separator; 414. and (7) water outlet holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses civil engineering construction foundation pit drainage structures. Referring to fig. 1, 2, include foundation ditch body 1 and bury underground water storage box 2 in 1 bottom of foundation ditch body, guiding gutter 11 has been seted up to the bottom of foundation ditch body 1, water inlet 21 has been seted up on water storage box 2, guiding gutter 11 communicates with water storage box 2's water inlet 21, storage water tank 3 has been placed at the top of foundation ditch body 1, the intercommunication has drain pipe 22 on water storage box 2, drain pipe 22 and storage water tank 3's roof intercommunication, be provided with on the drain pipe 22 and be used for taking out the water in the water storage box 2 to storage water tank 3's suction pump 221, storage water tank 3's diapire intercommunication has aqueduct 4, aqueduct 4 encircles the distribution and buries underground in the periphery of foundation ditch body 1, the intercommunication has a plurality of outlet pipes 41 on aqueduct 4.
Referring to fig. 2, a settling tank 23 is fixedly arranged in the water storage tank 2, the top wall of the settling tank 23 is communicated with a water pipe 231, the water pipe 231 is communicated with the water inlet 21 of the water storage tank 2, and the top wall of the settling tank 23 is further provided with a connecting port 232 communicated with the inside of the water storage tank 2; the aquatic that gets into water storage box 2 contains a large amount of sand and soil, deposits the sand and soil of aquatic through setting tank 23 to prevent to a certain extent that the interior sand and soil of foundation ditch body 1 from getting into in drain pipe 22 or the aqueduct 4, and cause the jam.
Referring to fig. 2 and 3, a water filtering cover 233 is arranged at the connecting port 232, a cavity is formed in the water filtering cover 233, water filtering cotton 2331 is filled in the cavity of the water filtering cover 233, and a plurality of water through holes 2332 communicated with the cavity are formed in the top end and the bottom end of the water filtering cover 233; a small amount of soil floats in the settled water, and the soil is filtered by the filter cotton 2331 on the filter water cover 233, so that the effect of blocking sandy soil in the water is further improved; and the water filtering cover 233 is arranged on the top of the settling tank 23, so that soil blocked by the water filtering cotton 2331 is not easy to adhere to the water filtering cotton 2331 to cause blockage, and the durability of the water filtering cotton 2331 is greatly improved.
Referring to fig. 2 and 3, the side wall of the water filtering cover 233 is provided with an external thread, and the side wall of the connecting port 232 is provided with an internal thread adapted to the external thread of the water filtering cover 233; a discharge hole 24 is formed in the top wall of the water storage tank 2, a sealing cover 25 is buckled at the discharge hole 24 of the water storage tank 2, and a handle is fixedly arranged on the sealing cover 25; after the settling tank 23 is used for a long time, a large amount of sandy soil can be piled up in the settling tank 23, through opening the sealed lid 25 at the top of the water storage tank 2, and rotating the water filtering lid 233, the water filtering lid 233 is detached from the settling tank 23, and the cleaning of silt in the settling tank 23 can be realized.
Referring to fig. 2 and 4, a floating plate 26 is arranged inside the water storage tank 2 in a sliding manner along the vertical direction, a guide rod 27 is fixedly arranged inside the water storage tank 2 and on one side of the settling tank 23, the length direction of the guide rod 27 is parallel to the sliding direction of the floating plate 26, a guide ring 261 is slidably sleeved on the guide rod 27, and the guide ring 261 is fixedly connected with the floating plate 26; be provided with on the kickboard 26 and be used for making the kickboard 26 follow the float 262 that the water level goes up and down in the water storage box 2, float 262 includes the kicking block, and the kicking block adopts the plastic material, and the fixed bottom that sets up at kickboard 26 of kicking block, and the gasbag chamber has been seted up to the inside of kicking block, and the airtight setting in gasbag chamber.
Referring to fig. 2, a travel switch 2211 is connected to the water pump 221, the travel switch 2211 is fixedly arranged inside the water storage tank 2, a contact block 263 for touching the travel switch 2211 is arranged on the floating plate 26, and the contact block 263 is fixedly arranged on the top wall of the floating plate 26; after water enters the water storage tank 2, water is collected in the water storage tank 2, the floating piece 262 pushes the floating plate 26 to ascend along with the rising of the water level in the water storage tank 2, when the water in the water storage tank 2 reaches a certain degree, the contact block 263 on the floating plate 26 is in contact with the travel switch 2211, the travel switch 2211 is started to drive the water suction pump 221 to be started, the water in the water storage tank 2 is pumped away, the water suction pump 221 does not need to be started manually at regular time to pump the water storage tank 2, and the manpower is greatly saved.
Referring to fig. 5, the water outlet pipe 41 is internally provided with a buffer member for reducing impact force when water flows out from the water outlet pipe 41, the buffer member includes water-permeable cotton 411, the water outlet pipe 41 is internally provided with a first partition 412 and a second partition 413, the water-permeable cotton 411 is arranged between the first partition 412 and the second partition 413, and the first partition 412 and the second partition 413 are both provided with water outlets 414.
When water flows out from outlet pipe 41, carry out the separation to water through oozing cotton 411, later, in water is through oozing cotton 411 slow infiltration soil to reduce the impact force of water when flowing out from outlet pipe 41, thereby prevent to a certain extent that the rivers impact force is too big, and break away the earth around outlet pipe 41, thereby cause the collapse of aqueduct 4 upper strata earth.
Referring to fig. 5, the second partition 413 is fixedly disposed in the water outlet pipe 41, the first partition 412 is fixedly provided with a mounting sleeve 4121, an axial direction of the mounting sleeve 4121 is perpendicular to the first partition 412, a water outlet hole 414 on the first partition 412 is communicated with an inside of the mounting sleeve 4121, a side wall of the mounting sleeve 4121 is provided with an external thread, and an inner wall of the water outlet pipe 41 is provided with an internal thread matched with the external thread on the mounting sleeve 4121.
After foundation ditch body 1 construction finishes, need retrieve storage water tank 3, aqueduct 4 etc. and recycle, dismantle in outlet pipe 41 through with first baffle 412, be convenient for change the cotton 411 that oozes water to prevent to a certain extent that the cotton 411 that oozes water is stained with clay and leads to outlet pipe 41 to block up.
The implementation principle of civil engineering construction foundation pit drainage structures is: groundwater permeating into the foundation pit body 1 is guided into the water storage tank 2 through the water chute 11, the water entering the water storage tank 2 firstly deposits sandy soil in the water through the settling tank 23, and then the filter cotton 2331 on the filter water cover 233 filters soil floating in the water.
The settled water enters the water storage tank 2, the floating piece 262 pushes the floating plate 26 to rise along with the rise of the water level in the water storage tank 2, when the water in the water storage tank 2 reaches a certain degree, the contact block 263 on the floating plate 26 is contacted with the travel switch 2211, the travel switch 2211 is started to drive the water pump 221 to be started, the water in the water storage tank 2 is pumped into the water storage tank 3, and finally the water is re-infiltrated into the soil layer on the periphery of the foundation pit body 1 through the water outlet pipe 41; in the process of draining water to the foundation pit body 1, the water level around the foundation pit body 1 cannot be influenced, so that the stability of the whole structure of the foundation pit body 1 is greatly improved.
The embodiment of the application also discloses a construction method of the civil construction foundation pit drainage structure, which comprises the following steps:
s1, after the foundation pit body 1 is dug, burying the water storage tank 2 at the bottom of the foundation pit body 1, digging a water guide groove 11 at the bottom of the foundation pit body 1, communicating the water guide groove 11 with a water inlet 21 of the water storage tank 2, placing the water storage tank 3 at the top of the foundation pit body 1, communicating a water discharge pipe 22 of the water storage tank 2 with the water storage tank 3, burying a water guide pipe 4 at the periphery of the foundation pit body 1, and communicating the water guide pipe 4 with the water storage tank 3;
s2, guiding the underground water permeating into the foundation pit body 1 into the water storage tank 2 through the water chute 11, precipitating sandy soil in the water by the water entering the water storage tank 2 through the precipitation tank 23, and filtering soil floating in the water by the filter cotton 2331 on the filter water cover 233;
s3, the settled water enters the water storage tank 2, the floating piece 262 pushes the floating plate 26 to rise along with the rise of the water level in the water storage tank 2, when the water in the water storage tank 2 reaches a certain degree, the contact block 263 on the floating plate 26 contacts with the travel switch 2211, the travel switch 2211 is started to drive the water pump 221 to be started, the water in the water storage tank 2 is pumped into the water storage tank 3, and finally the water flows out through the water outlet pipe 41 and permeates into the soil layer on the periphery of the foundation pit body 1 again.
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 (10)
1. The utility model provides a civil engineering construction foundation pit drainage structures which characterized in that: the foundation pit water storage device comprises a foundation pit body (1) and a water storage tank (2) buried at the bottom of the foundation pit body (1), wherein a water inlet (21) is formed in the water storage tank (2), a water guide groove (11) is formed in the bottom of the foundation pit body (1), the water guide groove (11) is communicated with the water inlet (21) of the water storage tank (2), a drain pipe (22) is communicated in the water storage tank (2), a water storage tank (3) is communicated with one end, far away from the water storage tank (2), of the drain pipe (22), the water storage tank (3) is arranged at the top of the foundation pit body (1), and a water suction pump (221) used for pumping water in the water storage tank (2) to the water storage tank (3) is arranged on the drain pipe (22); the water storage tank (3) is communicated with a water guide pipe (4), the water guide pipe (4) is buried at the periphery of the foundation pit body (1), and the water guide pipe (4) is communicated with a plurality of water outlet pipes (41).
2. The civil construction foundation pit drainage structure of claim 1, wherein: the water storage tank (2) is internally and fixedly provided with a settling tank (23), the settling tank (23) is communicated with the water inlet (21), and a connecting port (232) communicated with the interior of the water storage tank (2) is formed in the settling tank (23).
3. The civil construction foundation pit drainage structure of claim 2, wherein: a water filtering cover (233) is fixedly arranged at a connecting port (232) of the settling tank (23), water filtering cotton (2331) is arranged in the water filtering cover (233), and a plurality of water through holes (2332) are formed in two ends of the water filtering cover (233).
4. The civil construction foundation pit drainage structure of claim 3, wherein: the connector (232) is arranged at the top of the settling tank (23), the water filtering cover (233) is detachably connected with the settling tank (23), the top wall of the water storage tank (2) is provided with a discharge hole (24), and a sealing cover (25) is arranged at the discharge hole (24) of the water storage tank (2).
5. The civil construction foundation pit drainage structure of claim 1, wherein: the water storage tank (2) internal fixation is provided with travel switch (2211), travel switch (2211) is connected with suction pump (221), it is provided with kickboard (26) to slide in water storage tank (2), be provided with on kickboard (26) and be used for making kickboard (26) follow water level in water storage tank (2) float (262) that goes up and down, be provided with on kickboard (26) and be used for touching contact block (263) of travel switch (2211).
6. The civil construction foundation pit drainage structure of claim 1, wherein: all be provided with the bolster in outlet pipe (41), the bolster is used for reducing the impact force when water flows out from outlet pipe (41).
7. The civil construction foundation pit drainage structure of claim 6, wherein: the bolster is including oozing water cotton (411), outlet pipe (41) internal fixation is provided with first baffle (412) and second baffle (413), ooze water cotton (411) and set up between first baffle (412) and second baffle (413), apopore (414) have all been seted up on first baffle (412) and second baffle (413).
8. The civil construction foundation pit drainage structure of claim 7, wherein: the first partition plate (412) is detachably connected with the water outlet pipe (41).
9. The civil construction foundation pit drainage structure of claim 8, wherein: the water outlet pipe comprises a first partition plate (412), a mounting sleeve (4121) is fixedly arranged on the first partition plate (412), a water outlet hole (414) in the first partition plate (412) is communicated with the inside of the mounting sleeve (4121), external threads are formed in the side wall of the mounting sleeve (4121), and internal threads matched with the external threads in the mounting sleeve (4121) are formed in the inner wall of a water outlet pipe (41).
10. The construction method of a civil construction foundation pit drainage structure according to any one of claims 1 to 9, comprising the steps of:
s1, after the foundation pit body (1) is dug, burying the water storage tank (2) at the bottom of the foundation pit body (1), digging a water guide groove (11) at the bottom of the foundation pit body (1), communicating the water guide groove (11) with a water inlet (21) of the water storage tank (2), placing the water storage tank (3) at the top of the foundation pit body (1), communicating a drain pipe (22) of the water storage tank (2) with the water storage tank (3), burying a water guide pipe (4) at the periphery of the foundation pit body (1), and communicating the water guide pipe (4) with the water storage tank (3);
s2, guiding the underground water permeating into the foundation pit body (1) into the water storage tank (2) through the water chute (11), precipitating sandy soil in the water by the water entering the water storage tank (2) through the precipitation tank (23), and filtering soil floating in the water by the filter cotton (2331) on the filter water cover (233);
s3, the settled water enters the water storage tank (2), the floating plate (26) is pushed to rise through the floating piece (262) along with the rise of the water level in the water storage tank (2), when the water in the water storage tank (2) reaches a certain degree, the contact block (263) on the floating plate (26) is in contact with the travel switch (2211), the travel switch (2211) is started to drive the water suction pump (221) to be started, the water in the water storage tank (2) is pumped into the water storage tank (3), and finally the water flows out through the water outlet pipe (41) and permeates into the soil layer on the periphery of the foundation pit body (1) again.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775641A (en) * | 2022-05-30 | 2022-07-22 | 南京旭浦建材科技有限公司 | Prefabricated ribbed cavity wallboard |
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| CN114775641B (en) * | 2022-05-30 | 2023-08-29 | 南京旭浦建材科技有限公司 | Prefabricated multi-ribbed cavity wallboard |
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Application publication date: 20220401 |