CN205530388U - Forced induction water pressure control system for underground works - Google Patents

Forced induction water pressure control system for underground works Download PDF

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Publication number
CN205530388U
CN205530388U CN201620216358.2U CN201620216358U CN205530388U CN 205530388 U CN205530388 U CN 205530388U CN 201620216358 U CN201620216358 U CN 201620216358U CN 205530388 U CN205530388 U CN 205530388U
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China
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pressure control
control system
water pressure
water
pipeline
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CN201620216358.2U
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Inventor
郭星宇
顾国荣
杨砚宗
王克文
王恺敏
周凯
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Shanghai Changkai Geotechnical Engineering Co Ltd
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Shanghai Changkai Geotechnical Engineering Co Ltd
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Abstract

The utility model discloses a forced induction water pressure control system for underground works, its characterized in that water pressure control system is including the filtration water -collection device and the water pressure control pipeline that communicate in proper order, it is located to filter water -collection device underground works's soleplate below, the water pressure control pipeline is located in the soleplate or top, wherein, be provided with a forced induction electromagnetic valves in the water pressure control pipeline. The utility model has the advantages that, forced induction water pressure control system simple structure, but through the groundwater pressure under forced induction electromagnetic valves effective control soleplate size, guarantee that the basement soleplate antily swims that the position is stable, the szyrt that sluices not, stagnant water be reliable, simple and efficient to handle in addition to has the advantage that recovery cleaning is convenient.

Description

A kind of underground engineering pressure sensitive water pressure control system
Technical field
This utility model relates to hydraulic control device, is specifically related to a kind of underground engineering pressure sensitive 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 pressure sensitive water pressure control system is provided, this water pressure control system is by arranging pressure sensitive electromagnetic valve in hydraulic pressure control pipeline, so that pressure sensitive electromagnetic valve automatically opens up sluicing decompression after subsoil water reaches to set pressure.
This utility model purpose realizes being completed by techniques below scheme:
A kind of underground engineering pressure sensitive water pressure control system, it is characterized in that filtration captation and hydraulic pressure control pipeline that described water pressure control system includes being sequentially communicated, described filtration captation is positioned at below the sole plate of described underground engineering, described hydraulic pressure control pipeline is positioned at described sole plate or top, wherein, it is provided with a pressure sensitive electromagnetic valve in described hydraulic pressure control pipeline.
Described filtration captation is vertically arranged collector well pipe.
Described filtration 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 run through described sole plate and connected with described hydraulic pressure control pipeline water inlet.
Described hydraulic pressure control pipeline and described filtration captation seam are provided with non-return valve and controlled valve.
The described filtration captation well-flushing pipe that is also associated with suitable for reading, described well-flushing pipe is provided with a controlled valve.
It is provided with everguard alarm in described water pressure control system.
The utility model has the advantages that, water pressure control system simple in construction, the groundwater pressure size under sole plate can be effectively controlled by pressure sensitive electromagnetic valve, guarantee that basement sole plate hydrostatic water table is stable, sluice not quicksand, sealing reliable, the most simple and efficient to handle, and there is the convenient advantage of maintenance clean.
Accompanying drawing explanation
Fig. 1 is pressure sensitive 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 10-70 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;Outlet pipeline 50, outlet pipe 501, effusion meter 502;Catch pit 60, water level face 601;Pressure sensitive electromagnetic valve 70.
Embodiment: the present embodiment is specifically related to a kind of underground engineering pressure sensitive water pressure control system, it is applied in the existing building that basement buried depth is deeper, the sole plate artesian head of building is bigger, anti-floating for sole plate requires higher, this sluicing depressurized system passes through special process pore-forming, arranging filtration underground captation, collector well pipe inserts close layer of sand;Structure upper is hydraulic pressure control pipeline, and is connected with catch pit;When well head head height exceedes safe altitude, subsoil water enters upper water pressure control piper by bottom collector well pipe drain, finally imports catch pit, is realized sluicing voluntarily decompression by pressure sensitive electromagnetic valve, 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, pressure sensitive water pressure control system in the present embodiment includes filtration captation 20, hydraulic pressure control pipeline and the catch pit 60 being sequentially connected with, wherein, filtering captation 20 to 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;Hydraulic pressure control pipeline 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, as it is shown in figure 1, hydraulic pressure control pipeline 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, its one end water inlet is connected with the water inlet pipe 302 in inlet pipeline 30, other end outlet is connected with outlet pipeline 50, one pressure sensitive electromagnetic valve 70 is installed in hydraulic pressure control pipeline 40, pressure sensitive electromagnetic valve 70 can the hydraulic pressure size in induction monitoring pipeline automatically, when pressure reaches setting value, pressure sensitive electromagnetic valve 70 can realize automatically opening up and closing;
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 hydraulic pressure control pipeline 40, 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;
Pressure sensitive water pressure control system also includes an everguard alarm, can be arranged in inlet pipeline 30 or hydraulic pressure control pipeline 40, when in inlet pipeline 30 or hydraulic pressure control pipeline 40, hydraulic pressure overpressure inductive electromagnetic valve 70 sets pressure, this everguard alarm will automatic alarm.
As shown in Figure 1, 2, in the present embodiment, installation and the using method of pressure sensitive water pressure control system comprise the steps:
(1) on the sole plate 10 of existing building, 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) when carrying out sluicing decompression work, close the controlled valve 305 in well-flushing pipe 306, and open the controlled valve 304 in water inlet branch road 302, 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 in water inlet pipe 302 goes to hydraulic pressure control pipeline 40, the pressure size in pipeline is monitored and read to pressure sensitive electromagnetic valve 70 in hydraulic pressure control pipeline 40 in real time, after pressure exceedes setting value, pressure sensitive electromagnetic valve 70 automatically opens up, in current enter outlet pipeline 50 along hydraulic pressure control pipeline 40 and drain subsoil water and enter in catch pit 60, until hydraulic pressure drops to set below pressure, pressure sensitive electromagnetic valve 70 just will turn off, and stops draining;
(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 22 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.

Claims (6)

1. a underground engineering pressure sensitive water pressure control system, it is characterized in that filtration captation and hydraulic pressure control pipeline that described water pressure control system includes being sequentially communicated, described filtration captation is positioned at below the sole plate of described underground engineering, described hydraulic pressure control pipeline is positioned at described sole plate or top, wherein, it is provided with a pressure sensitive electromagnetic valve in described hydraulic pressure control pipeline.
A kind of underground engineering pressure sensitive water pressure control system the most according to claim 1, it is characterised in that described filtration captation is vertically arranged collector well pipe.
A kind of underground engineering pressure sensitive water pressure control system the most according to claim 1, it is characterized in that described filtration captation by collector pipe, overcoat chimney filter and is filled in filtrate between the two and is formed, described collector pipe upper end is run through described sole plate and is connected with described hydraulic pressure control pipeline water inlet.
A kind of underground engineering pressure sensitive water pressure control system the most according to claim 1, it is characterised in that described hydraulic pressure control pipeline and described filtration captation seam are provided with non-return valve and controlled valve.
A kind of underground engineering pressure sensitive water pressure control system the most according to claim 1, it is characterised in that the described filtration captation well-flushing pipe that is also associated with suitable for reading, described well-flushing pipe is provided with a controlled valve.
A kind of underground engineering pressure sensitive water pressure control system the most according to claim 1, it is characterised in that be provided with everguard alarm in described water pressure control system.
CN201620216358.2U 2016-03-21 2016-03-21 Forced induction water pressure control system for underground works Active CN205530388U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620216358.2U CN205530388U (en) 2016-03-21 2016-03-21 Forced induction water pressure control system for underground works

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Application Number Priority Date Filing Date Title
CN201620216358.2U CN205530388U (en) 2016-03-21 2016-03-21 Forced induction water pressure control system for underground works

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CN205530388U true CN205530388U (en) 2016-08-31

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108396787A (en) * 2018-05-21 2018-08-14 中建四局第六建筑工程有限公司 A kind of basement bottom board anti-floating pressure relief device and its application method
CN112177058A (en) * 2020-09-15 2021-01-05 同济大学 Automatic gate valve pressure release anti system that floats of basement
CN113737865A (en) * 2021-09-02 2021-12-03 中国新兴建设开发有限责任公司 Drainage pressure reducing device for solving sudden overhigh underground water level and construction method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108396787A (en) * 2018-05-21 2018-08-14 中建四局第六建筑工程有限公司 A kind of basement bottom board anti-floating pressure relief device and its application method
CN112177058A (en) * 2020-09-15 2021-01-05 同济大学 Automatic gate valve pressure release anti system that floats of basement
CN112177058B (en) * 2020-09-15 2022-02-18 同济大学 Automatic gate valve pressure release anti system that floats of basement
CN113737865A (en) * 2021-09-02 2021-12-03 中国新兴建设开发有限责任公司 Drainage pressure reducing device for solving sudden overhigh underground water level and construction method thereof

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