CN209555956U - Drop and drainage structure is secretly buried in a kind of drainage - Google Patents

Drop and drainage structure is secretly buried in a kind of drainage Download PDF

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Publication number
CN209555956U
CN209555956U CN201920050208.2U CN201920050208U CN209555956U CN 209555956 U CN209555956 U CN 209555956U CN 201920050208 U CN201920050208 U CN 201920050208U CN 209555956 U CN209555956 U CN 209555956U
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China
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secretly
point
drainage
drop
catchmenting
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CN201920050208.2U
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Chinese (zh)
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张建会
陈策
耿倩倩
宋媛媛
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Zhongdi Zhicheng Construction Technology Co., Ltd
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Hebei Zhongdi Zhicheng Civil Engineering Co Ltd
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Abstract

The utility model discloses a kind of drainages secretly to bury drop and drainage structure, the structure setting is in the bottom of foundation pit, the bottom of foundation ditch surrounding is provided with catch basin, the trench bottom that catchments is provided with well point of catchmenting, catch pit is provided among the bottom of foundation ditch, the catch pit bottom is provided with point sink, the point sink is connected in catch basin by secretly burying gutter, suction pump is provided in the point sink, the suction pump is connect by being laid on the drinking-water pipe secretly buried in gutter with catch basin, the well point of catchmenting is connected with the draining pump being arranged in outside foundation pit, the water to catchment in well point is discharged.The discharge structure of the utility model can reduce the destruction to foundation pit structure, and drainage efficiency is high, short construction period.

Description

Drop and drainage structure is secretly buried in a kind of drainage
Technical field
The utility model relates to the technical fields of ground foundation pit construction, secretly bury Yield rainfall relation knot more particularly, to a kind of drainage Structure.
Background technique
With the rapid development of modern architecture industry, executive information systems are increasing, executive information systems by It is big in upper load, compensated foundation is mostly used greatly, multi-storey basement is generally set in favor of the stabilization of building, but thus It is big to result in embedded depth of foundation, excavation of foundation pit is deep, especially in the higher regional deep pit excavation of level of ground water, soil body water-bearing layer quilt Cutting, underground water can constantly penetrate into foundation pit, cause quicksand, slope instability or decline foundation bearing capacity.
There are many conventional draining design and construction methods in base pit dewatering.If following special circumstances are encountered, using normal Rule design and engineering method, long construction period is costly, and effect is poor.
1. stratum permeability is bad, level of ground water and foundation pit bottom difference are smaller, and head pressure is little.
2. the no matter big well-point arrangement dewatering well of routine engineering method or light well point, all construction Complicated Periodics are long, and cost is high, too Waste, especially big well point, effect is bad, wastes very much.
3. can not accomplish dry slot, especially sump and elevator if not doing big well point or light well point using bright row Well position, underground water can not drain, and not can guarantee dry slot, it is even more impossible to guarantee the next step, less can guarantee quality, leave hidden Suffer from.
Utility model content
The purpose of the utility model is to provide a kind of drainages secretly to bury drop and drainage structure, reduces the destruction to foundation pit structure, row Water is high-efficient, short construction period.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
Drop and drainage structure is secretly buried in a kind of drainage, which is provided in the bottom of foundation pit, the bottom of foundation ditch surrounding Catch basin, the trench bottom that catchments are provided with well point of catchmenting, and catch pit, the catch pit bottom are provided among the bottom of foundation ditch Portion is provided with point sink, and the point sink is connected in catch basin by secretly burying gutter, setting in the point sink There is suction pump, the suction pump is connect by being laid on the drinking-water pipe secretly buried in gutter with catch basin, the well point company that catchments It is connected to the draining pump being arranged in outside foundation pit, the water to catchment in well point is discharged.
By using above-mentioned technical proposal, bottom of foundation ditch can assemble by the ponding of proximal edge into catch basin, among substrate The ponding of position can enter in point sink to collecting among catch pit, suction pump is arranged in point sink, can will draw water Ponding in well point detaches, and is entered in catch basin by drainpipe, then is collected from catch basin into well point of catchmenting, then by base Draining pump outside hole detaches discharge.
The utility model is further arranged to: the gutter of secretly burying is arranged along catch pit bottom and bottom of foundation ditch surface layer, It is described secretly to bury in gutter filled with graded broken stone.
By using above-mentioned technical proposal, substrate profound level will not be destroyed, while be filled secretly by graded broken stone Gutter is buried, support secretly buries gutter, prevents from secretly burying the case where gutter collapses, while also facilitating ponding to penetrate into and secretly burying Drain in gutter.
The utility model is further arranged to: the drinking-water pipe uses filter pipe, and the interposition for secretly burying gutter is arranged in It sets.
By using above-mentioned technical proposal, guarantees that drinking-water pipe can play normal pumping action, will can secretly bury draining Ponding in ditch detaches, while the particle of soil or rock around drinking-water pipe being avoided to flow into drinking-water pipe and block drinking-water pipe.
The utility model is further arranged to: the point sink inner wall is provided with concrete sleeve, the concrete jacket Graded broken stone is filled with inside pipe.
By using above-mentioned technical proposal, point sink is supported by concrete sleeve, point sink is avoided to cave in Situation, the interior filling graded broken stone of concrete sleeve is stabilized by suction pump, avoids entering high concentration of sediment in point sink, avoid Suction pump is blocked.
The utility model is further arranged to: being provided with the manhole cover plate that draws water, the well lid that draws water above the point sink Plate closes upper opening lid.
By using above-mentioned technical proposal, by drawing water, manhole cover plate protects point sink and suction pump, avoids silt a large amount of It enters in point sink, guarantees the normal work of suction pump.
The utility model is further arranged to: the corner location of catch basin, the sump is arranged in the well point of catchmenting Diversion pipe is connected between point, the diversion pipe uses filter pipe, and outside is filled with graded broken stone.
By using above-mentioned technical proposal, the ponding of both direction can be converged in a well point of catchmenting, increase collection Collecting water from runoff in well point meets the work liquid level of draining pump.
The utility model is further arranged to: the draining pump water inlet end is provided with into water filter core, and the water inlet filter core is set It sets in well point of catchmenting.
By using above-mentioned technical proposal, filter core of intaking will go into catchmenting in draining pump and be filtered, reduces and enter Silt into draining pump avoids blocking draining pump.
The utility model is further arranged to: the depth of catchment well point and the point sink is 1.5-2m.
By using above-mentioned technical proposal, catchment well point and the reasonable depth of point sink setting are capable of forming enough depths Liquid level, meet the extraction of suction pump and draining pump, can be avoided the case where overflowing of catchmenting.
In conclusion the advantageous effects of the utility model are as follows:
1, the utility model is quickly gathered the ponding of bottom of foundation ditch by intermediate catch pit and the cooperation of the catch basin in outside Collection, then converges in well point of catchmenting and is uniformly discharged, and drainage efficiency is high, and speed is fast, shortens the construction period of engineering.
2, it using the elevator of bottom of foundation ditch as catch pit, while being drained outward using secretly gutter is buried, in foundation pit earth When side is excavated, directly with digging machine under the premise of not destroying substrate soil, catch basin and sump point is dug on foundation pit side, is reduced to foundation pit Structural damage guarantees that foundation pit structure is secured, avoids the occurrence of the case where doing over again.
3, drinking-water pipe and diversion pipe are all made of filter pipe, have not only facilitated and have extracted catch basin and secretly bury the ponding in gutter, but also It can be avoided drinking-water pipe and diversion pipe and bury silt in gutter or rock particles blocking by catch basin and secretly.
4, it in point sink, catch basin and secretly buries in gutter filled with graded broken stone, point sink, collection can be supported Sink and the structure for secretly burying gutter avoid caving in, while not influencing the flowing and extraction of ponding.
Detailed description of the invention
Fig. 1 is the top view of drop and drainage structure in the utility model.
Fig. 2 is the cross-sectional view of drop and drainage structure in the utility model.
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Fig. 4 is the partial enlarged view in Fig. 2 at B.
In figure, 1, catch basin;100, foundation pit;2, it catchments well point;3, catch pit;4, point sink;41, concrete sleeve; 42, draw water manhole cover plate;5, gutter is secretly buried;6, suction pump;7, drinking-water pipe;8, draining pump;81, water inlet filter core;9, diversion pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1 with 2, drop and drainage structure is secretly buried for a kind of drainage disclosed by the utility model, the structure setting is in foundation pit 100 bottom is provided with elevator among the bottom of foundation pit 100, and elevator is as catch pit 3.100 bottom surrounding boundary of foundation pit Place is provided with catch basin 1, and catch basin 1 forms a straight-flanked ring, the bottom of catch basin 1 offers more around 100 bottom surface of foundation pit one week A well point 2 of catchmenting, the quantity of well point 2 of catchmenting in the present embodiment are four, are arranged in the corner location of catch basin 1, adjacent two The depth of 2m is excavated in the junction of 1 side of catch basin straight down.Drainpipe, drainpipe are respectively connected in each well point 2 of catchmenting It is installed along the side wall of foundation pit 100, is open stretches out from foundation pit 100 upwards, and be connected on draining pump 8 on the outside of foundation pit 100, led to Draining pump 8 is crossed to detach the ponding to catchment in well point 2 outside foundation pit 100.
It is connected with a diversion pipe 9 between adjacent sump point 2, diversion pipe 9 is laid in catch basin 1, and diversion pipe 9 uses Filter pipe can play normal guide functions, while the particle of soil or rock around diversion pipe 9 being avoided to flow into diversion pipe 9 In result in blockage.It is filled with graded broken stone outside diversion pipe 9, catch basin 1 is filled and led up, facilitates 1 ponding of catch basin and drainage, simultaneously Catch basin 1 is avoided to cave in.
3 bottom middle position of catch pit is provided with point sink 4, and point sink 4 excavates straight down in 3 bottom of catch pit The depth of 2m, the side of point sink 4, which is connected with, secretly buries gutter 5, secretly buries gutter 5 along 100 bottom of 3 bottom of catch pit and foundation pit The setting of portion surface layer, Xiang Yiduan are extended for connection in catch basin 1.It secretly buries and is equipped with a drinking-water pipe 7 in gutter 5, by drawing water Ponding in point sink 4 is drawn into catch basin 1 by pipe 7, wherein drinking-water pipe 7 uses filter pipe, can play normal Drainage, while avoiding the particle of soil or rock around drinking-water pipe 7 from flowing into drinking-water pipe 7 and resulting in blockage.Drinking-water pipe 7 is laid with It in the middle position for secretly burying gutter 5, is secretly burying in gutter 5 filled with graded broken stone, will secretly bury gutter 5 and fill and lead up, it is convenient 5 ponding of gutter and drainage are secretly buried, while avoiding secretly burying the case where gutter 5 caves in.One is equipped in point sink 4 Suction pump 6, suction pump 6 are located at 4 lower part of point sink, connect with drinking-water pipe 7, and the ponding in point sink 4 is passed through drinking-water pipe 7 Conveying outward.
Referring to Fig. 3, the inner wall of point sink 4 has poured columnar concrete sleeve 41, and 41 outside of concrete sleeve is tight 4 inner wall of point sink is pasted, inside, to well head, enhances the structural strength of point sink 4 filled with graded broken stone.Point sink 4 Top is provided with the circular manhole cover plate 42 that draws water, and the manhole cover plate 42 that draws water is placed in 41 upper opening of concrete sleeve, by pumped well 4 upper opening lids of point close.
Referring to Fig. 4, the drainpipe water inlet end that draining pump 8 connects is connected with into water filter core 81, and the setting of filter core 81 of intaking is collecting Close to the position of lower end in well point 2.The water that will go into draining pump 8 is filtered, and reduces the mud entered in draining pump 8 Sand avoids blocking draining pump 8.
The implementation principle of the present embodiment are as follows: 100 bottom of foundation pit can assemble by the ponding of proximal edge into catch basin 1, pass through Diversion pipe 9 enters in well point 2 of catchmenting, and the ponding in 100 middle position of foundation pit can be entered and be drawn water to collecting among catch pit 3 In well point 4, start the suction pump 6 in point sink 4, suction pump 6 can detach the ponding in point sink 4, pass through drinking-water pipe 7 It enters in catch basin 1, then is collected from catch basin 1 into well point 2 of catchmenting, also start draining pump 8 while starting suction pump 6, The water to catchment in well point 2 is detached out of foundation pit 100 and is discharged by draining pump 8.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical Within novel protection scope.

Claims (8)

1. drop and drainage structure is secretly buried in a kind of drainage, it is characterised in that: the structure setting is in the bottom of foundation pit (100), the foundation pit (100) bottom surrounding is provided with catch basin (1), and catch basin (1) bottom is provided with well point of catchmenting (2), the foundation pit (100) It is provided among bottom catch pit (3), catch pit (3) bottom is provided with point sink (4), and the point sink (4) is logical It crosses and secretly buries gutter (5) and be connected in catch basin (1), is provided with suction pump (6), the suction pump in the point sink (4) (6) it is connect by being laid on the drinking-water pipe (7) secretly buried in gutter (5) with catch basin (1), the well point of catchmenting (2) is connected with The draining pump (8) external in foundation pit (100) is set, the water in well point of catchmenting (2) is discharged.
2. drop and drainage structure is secretly buried in a kind of drainage according to claim 1, it is characterised in that: described secretly to bury gutter (5) It is arranged along catch pit (3) bottom and foundation pit (100) bottom skin, it is described secretly to bury in gutter (5) filled with graded broken stone.
3. drop and drainage structure is secretly buried in a kind of drainage according to claim 1, it is characterised in that: the drinking-water pipe (7) uses Filter pipe is arranged in the middle position for secretly burying gutter (5).
4. drop and drainage structure is secretly buried in a kind of drainage according to claim 1, it is characterised in that: in the point sink (4) Wall is provided with concrete sleeve (41), and graded broken stone is filled with inside the concrete sleeve (41).
5. drop and drainage structure is secretly buried in a kind of drainage according to claim 4, it is characterised in that: on the point sink (4) Side is provided with the manhole cover plate that draws water (42), and the manhole cover plate that draws water (42) closes upper opening lid.
6. drop and drainage structure is secretly buried in a kind of drainage according to claim 1, it is characterised in that: the well point of catchmenting (2) sets The corner location in catch basin (1) is set, is connected with diversion pipe (9) between the well point of catchmenting (2), the diversion pipe (9) uses Filter pipe, outside are filled with graded broken stone.
7. drop and drainage structure is secretly buried in a kind of drainage according to claim 1, it is characterised in that: draining pump (8) water inlet End is provided with into water filter core (81), and the water inlet filter core (81) is arranged in well point of catchmenting (2).
8. it is according to claim 1 it is a kind of drainage secretly bury drop and drainage structure, it is characterised in that: the well point of catchmenting (2) and The depth of point sink (4) is 1.5-2m.
CN201920050208.2U 2019-01-11 2019-01-11 Drop and drainage structure is secretly buried in a kind of drainage Active CN209555956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920050208.2U CN209555956U (en) 2019-01-11 2019-01-11 Drop and drainage structure is secretly buried in a kind of drainage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920050208.2U CN209555956U (en) 2019-01-11 2019-01-11 Drop and drainage structure is secretly buried in a kind of drainage

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Publication Number Publication Date
CN209555956U true CN209555956U (en) 2019-10-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111549807A (en) * 2020-04-26 2020-08-18 孙建立 Water lowering and draining method combining water conservancy project foundation pit and pipe well with light well point
CN111691425A (en) * 2020-04-26 2020-09-22 孙建立 Water conservancy project foundation pit and pipe well combined light well point dewatering and drainage method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111549807A (en) * 2020-04-26 2020-08-18 孙建立 Water lowering and draining method combining water conservancy project foundation pit and pipe well with light well point
CN111691425A (en) * 2020-04-26 2020-09-22 孙建立 Water conservancy project foundation pit and pipe well combined light well point dewatering and drainage method
CN111691425B (en) * 2020-04-26 2021-10-01 孙建立 Water conservancy project foundation pit and pipe well combined light well point dewatering and drainage method
CN111549807B (en) * 2020-04-26 2021-11-30 宁夏凯泽建设工程有限公司 Water lowering and draining method combining water conservancy project foundation pit and pipe well with light well point

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Address after: 050000 room 2201, Binjiang Yougu building, No. 3, xiumen street, Qiaoxi District, Shijiazhuang City, Hebei Province

Patentee after: Zhongdi Zhicheng Construction Technology Co., Ltd

Address before: Room 1-2803, Binjiang Business Building, 158 Shandong Road, Qiaoxi District, Shijiazhuang City, Hebei Province, 050000

Patentee before: HEBEI ZHONGDI ZHICHENG FOUNDATION ENGINEERING Co.,Ltd.