CN205530389U - Water pressure control system for underground works - Google Patents

Water pressure control system for underground works Download PDF

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Publication number
CN205530389U
CN205530389U CN201620216360.XU CN201620216360U CN205530389U CN 205530389 U CN205530389 U CN 205530389U CN 201620216360 U CN201620216360 U CN 201620216360U CN 205530389 U CN205530389 U CN 205530389U
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CN
China
Prior art keywords
pressure control
control system
water pressure
water
captation
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.)
Withdrawn - After Issue
Application number
CN201620216360.XU
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Chinese (zh)
Inventor
顾国荣
郭星宇
陈晖�
杨砚宗
王克文
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.)
Shanghai Changkai Geotechnical Engineering Co Ltd
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Shanghai Changkai Geotechnical Engineering Co Ltd
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Priority to CN201620216360.XU priority Critical patent/CN205530389U/en
Application granted granted Critical
Publication of CN205530389U publication Critical patent/CN205530389U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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

Abstract

The utility model discloses a water pressure control system for underground works, the water pressure control system both ends are connected with water -collection device and outlet pipe way respectively, its characterized in that water pressure control system includes two at least standpipes and edge at least one of standpipe interval setting violently manages two at the bottom of the standpipe mouth respectively with water -collection device and the outlet pipe way is linked together, each violently manage both ends respectively with two the standpipe is linked together, and each violently be provided with switching valve on the pipe. The utility model has the advantages that, water pressure control system simple structure, but the groundwater flood peak under the effective control soleplate is big or small, guarantees that the basement soleplate anti swims that the position is stable, the szyrt that sluices not, stagnant water are reliable, simple and efficient to handle in addition to has the advantage that recovery cleaning is convenient.

Description

A kind of underground engineering water pressure control system
Technical field
This utility model belongs to underground engineering technical field, is specifically related to a kind of underground engineering water pressure control system.
Background technology
Due to the impact of subsoil water, hydraulic pressure is excessive, and underground engineering often relates to anti-floating problem, and in engineering, anti-floating typically realizes by arranging anti-floating pile or anchor pole, increase counterweight etc..But lost efficacy because of uplift pile or anchor pole or Anti-floating design safety stock was less, superstructure load fails to apply completely, there is the suffered water pressure situation more than dead load in some engineerings, show as foundation floating, partial structurtes beam, post cracking etc., have a strong impact on the safety of underground engineering itself and normally use.
Effective hydraulic pressure treatment measures must be taked after the problems referred to above occur, owing to original uplift pile or anchor pole are arranged closely, quantity is more, the method working place carrying out reinforcing by conventional benefit anti-floating pile or anchor pole has been unsatisfactory for requirement, additionally benefit sets anti-floating pile or anchor pole descends water head the most beyond control, can not regulate hydraulic pressure as required, the danger of foundation floating yet suffers from, and therefore has operability, can effectively control the Novel engineering scheme of hydraulic pressure and need to be proposed.
Summary of the invention
The purpose of this utility model be according to above-mentioned the deficiencies in the prior art in place of, a kind of underground engineering water pressure control system is provided, these water pressure control system two ends connect captation and outlet pipeline respectively, by by vertical tube and be positioned at the hydraulic pressure control pipeline that the transverse tube of differing heights is formed, freely to control the required decompression size that sluices, so that it is guaranteed that underground engineering water pressure is in controlled range.
This utility model purpose realizes being completed by techniques below scheme:
A kind of underground engineering water pressure control system, described water pressure control system two ends are connected to captation and outlet pipeline, it is characterized in that described water pressure control system includes at least two vertical tubes and along spaced at least one transverse tube of described vertical tube, described in two, vertical tube base opening is connected with described captation and described outlet pipeline respectively, each described transverse tube two ends are connected with vertical tube described in two respectively, and are provided with controlled valve on each described transverse tube.
Described captation is vertically arranged collector well pipe.
Described captation is by collector pipe, overcoat chimney filter and is filled in filtrate between the two and is formed, and described collector pipe upper end is connected with described water pressure control system.
Described water pressure control system and described captation seam are provided with non-return valve and controlled valve.
The described captation well-flushing pipe that is also associated with suitable for reading, described well-flushing pipe is provided with a controlled valve.
The utility model has the advantages that, water pressure control system simple in construction, can effectively control the underground water head size under sole plate, it is ensured that underground engineering hydrostatic water table is stable, sluice not quicksand, sealing are reliable, the most simple and efficient to handle, and there is the convenient advantage of maintenance clean.
Accompanying drawing explanation
Fig. 1 is water pressure control system schematic diagram in this utility model;
Fig. 2 is filtration captation schematic diagram in this utility model.
Detailed description of the invention
Feature of the present utility model and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, in order to the understanding of technical staff of the same trade:
Such as Fig. 1-2, in figure, labelling 10-60 is respectively as follows: sole plate 10, basis well slot 101, seal ring 102, microdilatancy impervious concrete 103, waterstop 104;Soil layer 11;Filter captation 20, overcoat chimney filter 201, collector pipe 202, filtrate 203;Inlet pipeline 30, water inlet pipe 301, water inlet pipe 302, check valve 303, controlled valve 304, controlled valve 305, well-flushing pipe 306;Tubule 31;Hydraulic pressure control pipeline 40, vertical tube 401, vertical tube 402, transverse tube 403, transverse tube 404, transverse tube 405, transverse tube 406, controlled valve 407, controlled valve 408, controlled valve 409, controlled valve 410, controlled valve 411;Outlet pipeline 50, outlet pipe 501, effusion meter 502;Catch pit 60, water level face 601.
Embodiment: the present embodiment is specifically related to a kind of underground engineering water pressure control system, it is applied in the underground engineering that embedded depth of foundation is deeper, its sole plate artesian head is bigger, anti-floating for sole plate requires higher, this water pressure control system passes through special process pore-forming, arranging filtration underground captation, collector well pipe inserts close layer of sand;Structure upper is drainage channel, and is connected with catch pit;When well head head height exceedes safe altitude, subsoil water enters top drainage channel by bottom collector well pipe drain, finally imports catch pit, it is achieved sluice decompression voluntarily, so that it is guaranteed that basement bottom board water pressure is in controlled range, to ensure base plate safety.
As shown in Figure 1, 2, water pressure control system two ends in the present embodiment connect filtration captation 20 and catch pit 60 respectively, wherein, filtering captation 20 and be arranged at below sole plate 10 in the soil body and quantity is no less than 1 group, in the present embodiment, lower section in sole plate 10 arranges two groups altogether;Water pressure control system is arranged at above sole plate 10, and its two ends are connected with filtration captation 20 and catch pit 60 respectively.
As shown in Figure 1, 2, filter captation 20 to be positioned in the soil layer 11 below sole plate 10, it is specially a vertically arranged collector well pipe, it is made up of overcoat chimney filter 201, collector pipe 202 and the filtrate 203 that is filled in both gaps, in addition, the tapered structure in bottom of this collector well pipe, is beneficial to be pressed into designated depth;It is circumscribed with a well-flushing pipe 306 in the upper end of collector pipe 202, this well-flushing pipe 306 is provided with controlled valve 305.
As it is shown in figure 1, water pressure control system is made up of inlet pipeline 30, hydraulic pressure control pipeline 40 and outlet pipeline 50 successively:
Inlet pipeline 30 is arranged at the top of sole plate 10, including water inlet pipe 301, water inlet pipe 302, controlled valve 304 and check valve 303;Wherein, water inlet pipe 301 is with collector pipe 202 connection suitable for reading in foregoing filtration captation 20, water inlet pipe 302 is positioned at the side of water inlet pipe 301 coupled logical, aforesaid controlled valve 304 and check valve 303 are arranged in water inlet pipe 302, this check valve 303 provides the single flow direction, make the subsoil water in water inlet pipe 301 can only be flowed to water inlet pipe 302 direction by water inlet pipe 301, prevent subsoil water reverse backflow, carry secretly in air entrance water inlet pipe 301 and collector pipe 202, air is avoided to produce chemical action, fouling and clogging pipeline with the mineral in subsoil water;
Hydraulic pressure control pipeline 40 is arranged at the top of sole plate 10, including two vertical tubes 401 and 402, four transverse tube 403-406;Wherein, the lower end of vertical tube 401 is connected with water inlet pipe 302, the lower end of vertical tube 402 is then connected with outlet pipeline 50, each transverse tube 403-406 is the most vertically arranged at differing heights, and the two ends of transverse tube connect with vertical tube 401 and vertical tube 402 respectively, each transverse tube 403-406 is respectively arranged with controlled valve 407-410;It should be noted that in the present embodiment, transverse tube 403 two ends connect with vertical tube 401 lower end and vertical tube 402 lower end respectively, and are provided with controlled valve 411 on vertical tube 401, the controlled valve 411 height between transverse tube 403 and transverse tube 404;
Outlet pipeline 50 is positioned at the top of sole plate 10, including outlet pipe 501 and effusion meter 502, wherein, outlet pipe 501 water inlet connects with vertical tube 402 lower end, water level face 601 depth below in outlet then access set puddle 60, to avoid its water outlet to produce fouling due to air and the effect of mineral and block outlet;Effusion meter 502 is installed in outlet pipe 501, in order to measure bleeder quantity, monitoring level of ground water and hydraulic pressure.
As shown in Figure 1, 2, in the present embodiment, installation and the using method of water pressure control system comprise the steps:
(1) on the sole plate 10 of existing underground engineering, offer spilled water hole to reduce pressure, then on sole plate 10, offer basis well slot 101, drilling equipment is used to utilize sleeve pipe retaining wall to carry out into well operations in soil layer 11, to arrange filtration captation 20, after pulling out sleeve pipe, a seal ring 102 is set around collector pipe 202 in the bottom of sole plate 10, and at the top of sole plate 10, one circle waterstop 104 is set around cell wall, use microdilatancy impervious concrete 103 to recover sole plate 10 in the well slot 101 of basis afterwards;
(2) set gradually inlet pipeline 30, hydraulic pressure control pipeline 40, outlet pipeline 50 and catch pit 60 after, complete the installation of sluicing depressurized system;
(3) in use, the controlled valve 304 of inlet pipeline 30 is in opening;By filtering the subsoil water that captation 20 collects below sole plate 10 in soil layer 11, the physical impurity in subsoil water filtrate 203 filtering underground between overcoat chimney filter 201 and collector pipe 202;After subsoil water collects via collector pipe 202, flow into the water inlet pipe 301 in inlet pipeline 30, then water inlet pipe 302 is gone to, after check valve 303, continue to flow in hydraulic pressure control pipeline 40, according to the underground water head size of required control, select one of them in the controlled valve 407-410 of correspondence unlatching, then can be by subsoil water hydraulic pressure control at height residing for its corresponding transverse tube, to reach the purpose of the deadweight of reasonable balance underground engineering and buoyancy force of underground water, it may be assumed that
If subsoil water hydraulic pressure need to be sluiced the height that be decompressed to less than transverse tube 403, then closing switch valve 411, open the controlled valve 407 on transverse tube 403, make subsurface flow after transverse tube 403, in outlet pipe 501 flows into catch pit 60;
If subsoil water hydraulic pressure need to be sluiced the height that be decompressed to less than transverse tube 404, then closing switch valve 407, open controlled valve 411 and controlled valve 408, make subsurface flow after transverse tube 404, in outlet pipe 501 flows into catch pit 60;
If subsoil water hydraulic pressure need to be sluiced the height that be decompressed to less than transverse tube 405, then closing switch valve 407 and 408, open controlled valve 411 and controlled valve 409, make subsurface flow after transverse tube 405, in outlet pipe 501 flows into catch pit 60;
If subsoil water hydraulic pressure need to be sluiced the height that be decompressed to less than transverse tube 406, then closing switch valve 407,408 and 409, open controlled valve 411 and controlled valve 410, make subsurface flow after transverse tube 406, in outlet pipe 501 flows into catch pit 60;
(4) when needs carry out well-flushing to filtration captation 20, close the controlled valve 304 on water inlet pipe 302, open the controlled valve 305 on well-flushing pipe 306 simultaneously, tubule 31 lower end is inserted in well-flushing pipe 306, upper end connects high-pressure hydraulic pump, tubule 31 stretches to filter more than collector pipe 202 bottom surface of captation 20 slightly, well-flushing is carried out to filtering captation 20 by external high-pressure hydraulic pump bath, can also directly be carried out washing by water to filtering captation 20 well-flushing by the upper end of high-pressure water pipe connection well-flushing pipe 306, prevent filtering captation 20 and block treatment hole because life-time service causes soil body fine grained to assemble.
(5) when being carried out safeguarding to water inlet pipe 302, hydraulic pressure control pipeline 40, vertical tube 401~402, transverse tube 403~406, outlet pipeline 50, outlet pipe 501, can be realized by controlled valve combination opening and closing.

Claims (5)

1. a underground engineering water pressure control system, described water pressure control system two ends are connected to captation and outlet pipeline, it is characterized in that described water pressure control system includes at least two vertical tubes and along spaced at least one transverse tube of described vertical tube, described in two, vertical tube base opening is connected with described captation and described outlet pipeline respectively, each described transverse tube two ends are connected with vertical tube described in two respectively, and are provided with controlled valve on each described transverse tube.
A kind of underground engineering water pressure control system the most according to claim 1, it is characterised in that described captation is vertically arranged collector well pipe.
A kind of underground engineering water pressure control system the most according to claim 1 and 2, it is characterized in that described captation by collector pipe, overcoat chimney filter and is filled in filtrate between the two and is formed, described collector pipe upper end is connected with described water pressure control system.
A kind of underground engineering water pressure control system the most according to claim 1, it is characterised in that described water pressure control system and described captation seam are provided with non-return valve and controlled valve.
A kind of underground engineering water pressure control system the most according to claim 1, it is characterised in that the described captation well-flushing pipe that is also associated with suitable for reading, described well-flushing pipe is provided with a controlled valve.
CN201620216360.XU 2016-03-21 2016-03-21 Water pressure control system for underground works Withdrawn - After Issue CN205530389U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620216360.XU CN205530389U (en) 2016-03-21 2016-03-21 Water pressure control system for underground works

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620216360.XU CN205530389U (en) 2016-03-21 2016-03-21 Water pressure control system for underground works

Publications (1)

Publication Number Publication Date
CN205530389U true CN205530389U (en) 2016-08-31

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CN201620216360.XU Withdrawn - After Issue CN205530389U (en) 2016-03-21 2016-03-21 Water pressure control system for underground works

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105672370A (en) * 2016-03-21 2016-06-15 上海长凯岩土工程有限公司 Water pressure control system for underground engineering
KR102714464B1 (en) * 2024-03-26 2024-10-11 지에스이앤씨(주) Water circulation rodding eye system cleaning by high pressure permanent drainage materials for building

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105672370A (en) * 2016-03-21 2016-06-15 上海长凯岩土工程有限公司 Water pressure control system for underground engineering
CN105672370B (en) * 2016-03-21 2017-12-12 上海长凯岩土工程有限公司 A kind of underground engineering water pressure control system
KR102714464B1 (en) * 2024-03-26 2024-10-11 지에스이앤씨(주) Water circulation rodding eye system cleaning by high pressure permanent drainage materials for building

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20160831

Effective date of abandoning: 20171212