CN114809123B - Multistage support foundation pit monitoring method - Google Patents
Multistage support foundation pit monitoring method Download PDFInfo
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- CN114809123B CN114809123B CN202210346859.2A CN202210346859A CN114809123B CN 114809123 B CN114809123 B CN 114809123B CN 202210346859 A CN202210346859 A CN 202210346859A CN 114809123 B CN114809123 B CN 114809123B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 132
- 238000004891 communication Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims description 102
- 238000001914 filtration Methods 0.000 claims description 35
- 239000012528 membrane Substances 0.000 claims description 35
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 10
- 239000003673 groundwater Substances 0.000 description 62
- 238000000605 extraction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/32—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river
- E03B3/34—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river of underground water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The application relates to a multistage support foundation pit monitoring method, which relates to the technical field of foundation pit construction and comprises the following steps: installing a water level pipeline: the water level pipelines are vertically inserted outside the foundation pit, a plurality of water level pipelines are arranged along the circumference of the foundation pit, and the top of each water level pipeline is of a closed structure; installing an overflow pipeline: the overflow pipelines are arranged in a plurality and correspond to the water level pipelines one by one, the overflow pipelines are vertically arranged on one side of the water level pipelines, and the bottoms of the overflow pipelines are of a closed structure; installing a first communication pipeline: the first communication pipeline is arranged between the water level pipeline and the overflow pipeline, and is communicated with the inside of the water level pipeline and the inside of the overflow pipeline, and a one-way valve is arranged on the first communication pipeline; installing an inflation assembly: the inflation assembly is arranged on the top surface of the water level pipeline and is used for inflating the inside of the water level pipeline. The application can improve the treatment effect of the underground water.
Description
Technical Field
The application relates to the technical field of foundation pit construction, in particular to a multistage support foundation pit monitoring method.
Background
The foundation pit monitoring is an important link in foundation pit construction, and is to conduct various observation and analysis work on the characteristics of foundation pit rock and soil, the deflection of supporting structures and the change of surrounding environment conditions in the foundation pit excavation and underground engineering construction process, timely feed back monitoring results, predict the development of deformation and stable state which are caused after further construction, and guide design and construction according to the degree of influence of prediction and judgment on the surrounding environment so as to realize informationized construction.
In the foundation pit monitoring process, the water level of groundwater is required to be detected in real time so as to ensure that foundation pit construction can be normally carried out, when the groundwater level is lower, the normal carrying out of foundation pit construction is facilitated, when the groundwater level is higher, the groundwater is required to be extracted, so that the groundwater level reaches a proper position, and further, foundation pit construction can be normally carried out.
Above-mentioned foundation ditch monitoring process, need set up solitary equipment and detect the groundwater level, when adjusting the groundwater level simultaneously, need use the pump to extract the groundwater, this kind of external force is the mode of extracting by force probably can destroy the distribution structure of groundwater, and then arouses the earth's surface subsidence, when detecting the groundwater level simultaneously, can take place the deviation, leads to the water pump unable normal to carry out the extraction work to the groundwater to lead to groundwater to the foundation ditch construction to produce the interference.
Disclosure of Invention
In order to improve the underground water treatment effect, the application provides a multistage support foundation pit monitoring method.
The application provides a multistage support foundation pit monitoring method, which adopts the following technical scheme:
A multi-stage supporting foundation pit monitoring method comprises the following steps:
Installing a water level pipeline: the water level pipelines are vertically inserted outside the foundation pit, a plurality of water level pipelines are arranged along the circumference of the foundation pit, and the top of each water level pipeline is of a closed structure;
installing an overflow pipeline: the overflow pipelines are arranged in a plurality and correspond to the water level pipelines one by one, the overflow pipelines are vertically arranged on one side of the water level pipelines, and the bottoms of the overflow pipelines are of a closed structure;
Installing a first communication pipeline: the first communication pipeline is arranged between the water level pipeline and the overflow pipeline, and is communicated with the inside of the water level pipeline and the inside of the overflow pipeline;
Installing a one-way valve: mounting the one-way valve on the first communication pipeline;
Installing an inflation assembly: the inflation assembly is arranged on the top surface of the water level pipeline and is used for inflating the inside of the water level pipeline.
Through adopting above-mentioned technical scheme, when the groundwater liquid level in the water level pipeline exceeded the height of first connecting pipe, groundwater was in can getting into overflow pipeline through first connecting pipe, when the liquid level of groundwater in overflow pipeline was the same with the liquid level of groundwater in the water level pipeline, the subassembly of aerifing was continuously inflated inside the water level pipeline for pressure in the water level pipeline increases, and then make groundwater in the water level pipeline can continuously flow into in the overflow pipeline, and stabilize the liquid level of groundwater in the water level pipeline in first connecting pipe department, the regulation to groundwater liquid level has been accomplished under the circumstances of avoiding carrying out real-time supervision to groundwater, avoid adopting the mode of external force extraction to adjust the water level of groundwater simultaneously, thereby improved the treatment effect of groundwater.
Optionally, the water level pipeline is internally and horizontally provided with a filtering membrane, the filtering membrane is positioned above the first communication pipeline, the filtering membrane is made of a flexible material which is breathable but waterproof, and the edge of the filtering membrane is fixedly connected with the water level pipeline.
Through adopting above-mentioned technical scheme, under the groundwater in the water level pipeline continuously increases the condition, when groundwater liquid level in the water level pipeline and the groundwater liquid level box in the overflow pipeline, need start the subassembly of aerifing to the inside pressurization of water level pipeline, at the in-process that the subassembly was started of aerifing, groundwater liquid level in the water level pipeline can exceed first communication pipeline department, the groundwater that surpasss first communication pipe this moment can probably cause the influence to foundation ditch construction, the setting of filtration membrane can avoid groundwater liquid level in the water level pipeline to surpass first communication pipeline, can not influence the work of aerifing of subassembly simultaneously to the treatment effect of groundwater has further been improved.
Optionally, the overflow pipeline internal fixation is provided with first liquid level sensor, and first liquid level sensor is located overflow pipeline top, and first liquid level sensor is used for detecting the liquid level information in the overflow pipeline to the transmission corresponds liquid level signal, and first liquid level sensor is connected with the controller, and the controller responds to liquid level signal and control the operating condition of inflation component.
Through adopting above-mentioned technical scheme, first level sensor detects the groundwater liquid level in the overflow pipeline, and when the groundwater liquid level in the overflow pipeline is the same with the groundwater liquid level in the water level pipeline, first level sensor converts the liquid level information that detects into liquid level signal and transmits the controller, and the controller responds to liquid level signal and controls and aerifys the subassembly and work for aerify the inside pressurization of subassembly to the water level pipeline, avoid aerifing the subassembly and be in starting state all the time, thereby improved multistage support foundation ditch monitoring method's practicality.
Optionally, install second liquid level sensor in the water level pipeline, second liquid level sensor is located filtration membrane top, and is connected with the controller, and second liquid level sensor is used for detecting the displacement information in the middle of the filtration membrane to transmit corresponding displacement signal, the controller responds to displacement signal and control the operating condition of inflation component.
Through adopting above-mentioned technical scheme, under the groundwater in the water level pipeline continuously increases the condition, groundwater in the water level pipeline can probably produce the extrusion to filtering membrane for filtering membrane middle part takes place undulantly, second level sensor reflects filtering membrane's undulant condition through detecting the displacement information in the middle of the filtering membrane, the controller responds displacement signal and further controls the operating condition of inflation subassembly, make filtering membrane resume initial condition, avoid filtering membrane transition undulant to produce the damage, groundwater in the water level pipeline can be better get into overflow pipeline this moment, thereby multistage support foundation ditch monitoring method's practicality has been improved, and the treatment effect of groundwater has been further improved simultaneously.
Optionally, the first communication pipeline below is provided with the second communication pipeline, and the second communication pipeline is all communicated with inside water level pipeline, overflow pipeline, installs the valve on the second communication pipeline.
Through adopting above-mentioned technical scheme, after the foundation ditch construction is accomplished, the constructor can be according to actual operating mode with the partial groundwater reflux to underground through the second communicating pipe for the construction environment obtains the reduction of certain degree, thereby has improved multistage support foundation ditch monitoring method to the protectiveness of construction environment.
Optionally, the second liquid level sensor is further used for detecting liquid level information in the water level pipeline and transmitting a corresponding liquid level signal, the controller is connected with the valve, and the controller responds to the liquid level signal and controls the working state of the valve.
Through adopting above-mentioned technical scheme, when the groundwater liquid level in the water level pipeline reduces under the influence of other factors, the change in a wide margin of groundwater liquid level can lead to the foundation ditch surface to take place the subsidence phenomenon, second level sensor can detect the liquid level information in the water level pipeline, when second level sensor detects groundwater liquid level and reduces, the corresponding liquid level signal is passed out, the controller responds to corresponding liquid level signal and control valve and opens, make the groundwater in the overflow pipeline can flow back to the underground, make the change range of groundwater liquid level reduce, and then make the possibility that the foundation ditch surface took place to subside reduce, thereby further improved the treatment effect of groundwater.
Optionally, be provided with the display screen on the water level pipeline, the display screen is all connected with first level sensor, second level sensor, and the display screen is used for showing the information that first level sensor and second level sensor detected in real time.
Through adopting above-mentioned technical scheme, the setting of display screen can help the constructor to know the liquid level condition of groundwater, and the constructor of being convenient for judges construction environment to the practicality of multistage support foundation ditch monitoring method has further been improved.
Optionally, an alarm is arranged on the water level pipeline, the alarm is connected with the controller, and the controller responds to the liquid level signal transmitted by the second liquid level sensor and controls the alarm to give an alarm.
Through adopting above-mentioned technical scheme, when the liquid level of groundwater reduces, the foundation ditch surface can probably take place to subside the phenomenon to the change by a wide margin of groundwater liquid level, and the second level sensor can detect the groundwater liquid level in the water level pipeline this moment for the controller responds to liquid level signal and controls the siren and send out the police dispatch newspaper, and the constructor of being convenient for in time knows the condition that groundwater liquid level reduces, makes the constructor can judge whether to continue to be under construction according to actual conditions, thereby has improved multistage support foundation ditch monitoring method to the protection of constructor construction safety.
In summary, the present application includes at least one of the following beneficial technical effects:
By arranging the water level pipeline, the overflow pipeline, the first communication pipeline and the inflation assembly, the adjustment of the liquid level of the underground water is completed under the condition of avoiding real-time monitoring of the underground water, and meanwhile, the water level of the underground water is prevented from being adjusted in an external force extraction mode, so that the treatment effect of the underground water is improved;
Through the arrangement of the filtering membrane, the arrangement of the filtering membrane can prevent the underground water level in the water level pipeline from exceeding the first communication pipeline, and meanwhile, the inflation work of the inflation assembly cannot be influenced, so that the treatment effect of the underground water is further improved;
Through setting up the second communication pipeline for groundwater in the overflow pipeline can flow back to underground, make groundwater liquid level's change range reduce, and then make the foundation ditch surface take place the possibility of subsidence and reduce, thereby further improved groundwater's treatment.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a cross-sectional view of an embodiment of the present application;
FIG. 4 is a partial enlarged view at B in FIG. 3;
Fig. 5 is a partial enlarged view at C in fig. 3.
Reference numerals illustrate: 0. a foundation pit; 1. a display screen; 2. a water level pipe; 21. a filtering membrane; 3. an overflow pipe; 4. a first communication pipe; 41. a one-way valve; 5. a second communication pipe; 51. a valve; 6. a first liquid level sensor; 7. a second liquid level sensor; 8. a controller; 9. an inflation assembly; 91. an air pump; 92. an air inlet pipe; 10. an alarm.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a multistage support foundation pit monitoring method. The multi-stage supporting foundation pit monitoring method comprises the following steps:
installing a water level pipeline 2:
Referring to fig. 1 and 2, a plurality of water level pipelines 2 are circumferentially arranged along a foundation pit 0, the cross section of each water level pipeline 2 is circular, the top of each water level pipeline 2 is of a closed structure, the water level pipelines 2 are vertically inserted outside the foundation pit 0, and the bottom ends of the water level pipelines 2 are positioned at underground shallow groundwater; referring to fig. 3 and 4, a filtering membrane 21 is horizontally arranged in the water level pipeline 2, the filtering membrane 21 is positioned above the first communication pipeline 4, the filtering membrane 21 is made of a flexible material which is breathable but impermeable, and the edge of the filtering membrane 21 is fixedly connected with the water level pipeline 2; referring to fig. 5, a second liquid level sensor 7 is installed in the water level pipe 2, the second liquid level sensor 7 is located at the top of the water level pipe 2, and the second liquid level sensor 7 is used for detecting displacement information in the middle of the filtering membrane 21 and liquid level information in the water level pipe 2 and transmitting corresponding displacement signals and liquid level signals; a controller 8 and an alarm 10 are arranged on one side of the water level pipeline 2, the controller 8 is connected with the second liquid level sensor 7 and the alarm 10, and the controller 8 responds to corresponding liquid level signals and controls the alarm 10 to give an alarm.
Installing an overflow pipeline 3:
Referring to fig. 1 and 2, overflow pipes 3 are circumferentially arranged along foundation pit 0 and are in one-to-one correspondence with water level pipes 2, the cross section of overflow pipe 3 is circular, the bottom of overflow pipe 3 is a closed structure, and overflow pipe 3 is vertically arranged on one side of water level pipe 2 far away from foundation pit 0 and is in butt joint with water level pipe 2; referring to fig. 5, a first liquid level sensor 6 is installed in the overflow pipe 3, the first liquid level sensor 6 is located at the top of the overflow pipe 3, the first liquid level sensor 6 is used for detecting liquid level information of groundwater in the overflow pipe 3 and transmitting corresponding liquid level signals, and the first liquid level sensor 6 is connected with a controller 8.
Installing a first communication pipe 4:
Referring to fig. 4, a first communication pipe 4 is horizontally disposed between a water level pipe 2 and an overflow pipe 3, the first communication pipe 4 is communicated with the inside of the water level pipe 2 and the inside of the overflow pipe 3, a check valve 41 is installed on the first communication pipe 4, and the first communication pipe 4 is installed between the water level pipe 2 and the overflow pipe 3.
Installing a second communication pipeline 5:
Referring to fig. 2 and 4, a second communication pipe 5 is horizontally arranged between the water level pipe 2 and the overflow pipe 3 and is positioned below the first communication pipe 4, the second communication pipe 5 is communicated with the inside of the water level pipe 2 and the inside of the overflow pipe 3, a valve 51 is installed on the second communication pipe 5, the valve 51 is connected with a controller 8, and the controller 8 responds to corresponding liquid level signals and controls the opening and closing of the valve 51; between the installation of the water level pipe 2 and the overflow pipe 3, the second communication pipe 5 is first installed.
Mounting an inflation assembly 9:
The air charging assembly 9 is provided with a plurality of air charging assemblies and corresponds to the water level pipelines 2 one by one, the air charging assembly 9 comprises an air pump 91 and an air inlet pipe 92, the air pump 91 is arranged on one side of the corresponding water level pipeline 2, one end of the air inlet pipe 92 is fixedly connected with the air pump 91, and the other end of the air inlet pipe 92 is fixedly connected with the top surface of the water level pipeline 2 and is communicated with the interior of the water level pipeline 2; the controller 8 responds to the corresponding liquid level signal and displacement signal, and controls the opening and closing of the air pump 91.
And (3) mounting a display:
Referring to fig. 1 and 2, a display is installed at one side of a water level pipe 2, a display screen 1 is connected with a first liquid level sensor 6 and a second liquid level sensor 7, and the display screen 1 is used for displaying information detected by the first liquid level sensor 6 and the second liquid level sensor 7 in real time.
The implementation principle of the multistage support foundation pit monitoring method provided by the embodiment of the application is as follows: after the installation is finished, underground water in the construction environment of the foundation pit 0 is detected and treated, under the condition that the underground water level continuously rises, when the underground water level in the water level pipeline 2 reaches the position of the first communication pipeline 4, underground water in the water level pipeline 2 enters the overflow pipeline 3 through the first communication pipeline 4, at the moment, the first liquid level sensor 6 in the overflow pipeline 3 monitors the underground water level in the overflow pipeline 3, when the underground water level in the overflow pipeline 3 is the same as the underground water level in the water level pipeline 2, the first liquid level sensor 6 sends out a corresponding liquid level signal, the controller 8 responds to the liquid level signal and controls the air pump 91 to start to work, so that the air pump 91 fills air into the water level pipeline 2 through the air inlet pipe 92, and then the air pressure in the water level pipeline 2 is increased, so that the underground water level in the water level pipeline 2 can be stabilized at the first communication pipe, and continuously rising underground water enters the overflow pipeline 3 through the first communication pipeline 4, the liquid level in the overflow pipeline 2 is kept stable, the liquid level in the overflow pipeline 3 is continuously raised, and the underground water level is treated.
Meanwhile, the filtering membrane 21 is further arranged in the water level pipeline 2, in the starting process of the air charging assembly 9, the groundwater level in the water level pipeline 2 possibly exceeds the position of the first communication pipeline 4, at the moment, groundwater exceeding the first communication pipeline possibly affects construction of the foundation pit 0, the arrangement of the filtering membrane 21 can avoid that the groundwater level in the water level pipeline 2 exceeds the first communication pipeline 4, meanwhile, the air charging operation of the air charging assembly 9 cannot be affected, and under the condition that groundwater in the water level pipeline 2 is continuously increased, groundwater in the water level pipeline 2 possibly extrudes the filtering membrane 21, fluctuation occurs in the middle of the filtering membrane 21, the second liquid level sensor 7 reflects fluctuation condition of the filtering membrane 21 by detecting displacement information in the middle of the filtering membrane 21, the controller 8 responds to the displacement signal and further controls the working state of the air pump 91, so that the filtering membrane 21 is restored to the initial state, breakage of the filtering membrane 21 is avoided, and at the moment, groundwater in the water level pipeline 2 can better enter the overflow pipeline 3.
When the liquid level of the underground water suddenly decreases under the influence of other factors, the surface of the foundation pit 0 may be caused to subside due to a large change of the liquid level of the underground water, and at the moment, the second liquid level sensor 7 can detect the liquid level of the underground water in the water level pipeline 2, so that the controller 8 responds to the liquid level signal and controls the alarm 10 to give an alarm, a constructor can know the condition of the decrease of the liquid level of the underground water in time, and the constructor can judge whether to continue construction according to the actual condition; simultaneously, the controller 8 responds to the corresponding liquid level signal and controls the valve 51 to be opened, so that the groundwater in the overflow pipeline 3 can flow back to the ground through the second communication pipeline 5, the change amplitude of the groundwater liquid level is reduced, the possibility of sedimentation on the surface of the foundation pit 0 is reduced, and the groundwater treatment effect is further improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. A multistage support foundation pit monitoring method is characterized in that: the method comprises the following steps:
installing a water level pipeline (2): the water level pipelines (2) are vertically inserted outside the foundation pit (0), a plurality of water level pipelines (2) are arranged along the circumference of the foundation pit (0), and the top of each water level pipeline (2) is of a closed structure;
Installing an overflow pipeline (3): the overflow pipelines (3) are arranged in a plurality and correspond to the water level pipelines (2) one by one, the overflow pipelines (3) are vertically arranged on one side of the water level pipelines (2), and the bottoms of the overflow pipelines (3) are of a closed structure;
-installing a first communication duct (4): the first communication pipeline (4) is arranged between the water level pipeline (2) and the overflow pipeline (3), the first communication pipeline (4) is communicated with the inside of the water level pipeline (2) and the inside of the overflow pipeline (3), and the first communication pipeline (4) is provided with a one-way valve (41);
mounting an inflation assembly (9): the air charging assembly (9) is arranged on the top surface of the water level pipeline (2), and the air charging assembly (9) is used for charging the interior of the water level pipeline (2);
the water level pipeline (2) is internally and horizontally provided with a filtering membrane (21), the filtering membrane (21) is positioned above the first communication pipeline (4), the filtering membrane (21) is made of a flexible material which is breathable but waterproof, and the edge of the filtering membrane (21) is fixedly connected with the water level pipeline (2).
2. The multi-stage support pit monitoring method of claim 1, wherein: the overflow pipeline (3) internal fixation is provided with first liquid level sensor (6), and first liquid level sensor (6) are located overflow pipeline (3) top, and first liquid level sensor (6) are used for detecting the liquid level information in overflow pipeline (3) to the transmission corresponds liquid level signal, and first liquid level sensor (6) are connected with controller (8), and controller (8) respond to liquid level signal and control the operating condition of inflation component (9).
3. The multi-stage support pit monitoring method of claim 2, wherein: install second liquid level sensor (7) in water level pipeline (2), second liquid level sensor (7) are located filtration membrane (21) top, and are connected with controller (8), and second liquid level sensor (7) are used for detecting the displacement information in the middle of filtration membrane (21) to deliver out corresponding displacement signal, and controller (8) respond to displacement signal and control the operating condition of inflation component (9).
4. A multi-stage support pit monitoring method according to claim 3, wherein: the utility model discloses a water level pipeline, including first connecting pipe (4), second connecting pipe (5) are provided with below first connecting pipe (4), and second connecting pipe (5) are all linked together inside water level pipeline (2), overflow pipeline (3), install valve (51) on second connecting pipe (5).
5. The multi-stage support pit monitoring method of claim 4, wherein: the second liquid level sensor (7) is also used for detecting liquid level information in the water level pipeline (2) and transmitting corresponding liquid level signals, the controller (8) is connected with the valve (51), and the controller (8) responds to the liquid level signals and controls the working state of the valve (51).
6. The multi-stage support pit monitoring method of claim 5, wherein: the water level pipeline (2) is provided with a display screen (1), the display screen (1) is connected with a first liquid level sensor (6) and a second liquid level sensor (7), and the display screen (1) is used for displaying information detected by the first liquid level sensor (6) and the second liquid level sensor (7) in real time.
7. The multi-stage support pit monitoring method of claim 5, wherein: an alarm (10) is arranged on the water level pipeline (2), the alarm (10) is connected with the controller (8), and the controller (8) responds to a liquid level signal transmitted by the second liquid level sensor (7) and controls the alarm (10) to give an alarm.
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD203349A1 (en) * | 1981-07-29 | 1983-10-19 | Frank Loebnitz | METHOD FOR THE LOCKING OF GROUNDWATER FLUIDS BY MEANS OF PNEUMATIC FOUNTAIN GALLERY |
| SU1154462A1 (en) * | 1983-09-30 | 1985-05-07 | Казахский политехнический институт им.В.И.Ленина | Arrangement for drying wells |
| DE10149431A1 (en) * | 2001-10-06 | 2003-04-17 | Klaus-Peter Grass | Drainage method for open excavations uses lances driven by vibrator into ground around excavation, and compressed air to displace ground water |
| CN201778329U (en) * | 2010-07-16 | 2011-03-30 | 上海长凯岩土工程有限公司 | Pneumatic type multi-well dewatering system with automatic control function |
| CN205369282U (en) * | 2016-02-08 | 2016-07-06 | 王继龙 | Well point dewatering of sluice construction usefulness |
| CN106595802A (en) * | 2016-11-08 | 2017-04-26 | 中铁三局集团有限公司 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
| CN206768791U (en) * | 2016-11-08 | 2017-12-19 | 中铁三局集团有限公司 | Groundwater monitoring, alarm and automatic recharge system on the outside of deep basal pit |
| CN108060677A (en) * | 2017-12-01 | 2018-05-22 | 杭州市环境集团有限公司 | A kind of positive/negative-pressure of Landfill precipitation strengthens pump drainage shaft structure and construction method |
| CN110468911A (en) * | 2019-09-05 | 2019-11-19 | 上海长凯岩土工程有限公司 | A kind of gaslift returns and raises pattern synthesis recharge system |
| CN209741881U (en) * | 2018-09-14 | 2019-12-06 | 张继红 | Pneumatic precipitation device |
| CN110878557A (en) * | 2019-12-05 | 2020-03-13 | 上海勘察设计研究院(集团)有限公司 | Layered bidirectional drainage method and device for foundation pit dewatering |
| CN110984197A (en) * | 2019-11-25 | 2020-04-10 | 浙江大学 | Device and method for starting siphon drainage by pressurization |
| CN111636452A (en) * | 2020-05-28 | 2020-09-08 | 中建八局天津建设工程有限公司 | Foundation dewatering system and dewatering method thereof |
| CN113250222A (en) * | 2021-05-31 | 2021-08-13 | 中铁十八局集团有限公司 | Intelligent pneumatic dewatering device for subway station foundation pit |
| CN214089939U (en) * | 2020-12-18 | 2021-08-31 | 广州轨道交通建设监理有限公司 | Foundation pit gas lift reverse circulation precipitation device |
| CN214219755U (en) * | 2020-12-17 | 2021-09-17 | 河南大学 | Concrete underground wall body dampproof device |
| CN216108436U (en) * | 2021-05-26 | 2022-03-22 | 上海勘察设计研究院(集团)有限公司 | Circulation adds pressure release precipitation system and ground treatment system thereof |
-
2022
- 2022-04-02 CN CN202210346859.2A patent/CN114809123B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD203349A1 (en) * | 1981-07-29 | 1983-10-19 | Frank Loebnitz | METHOD FOR THE LOCKING OF GROUNDWATER FLUIDS BY MEANS OF PNEUMATIC FOUNTAIN GALLERY |
| SU1154462A1 (en) * | 1983-09-30 | 1985-05-07 | Казахский политехнический институт им.В.И.Ленина | Arrangement for drying wells |
| DE10149431A1 (en) * | 2001-10-06 | 2003-04-17 | Klaus-Peter Grass | Drainage method for open excavations uses lances driven by vibrator into ground around excavation, and compressed air to displace ground water |
| CN201778329U (en) * | 2010-07-16 | 2011-03-30 | 上海长凯岩土工程有限公司 | Pneumatic type multi-well dewatering system with automatic control function |
| CN205369282U (en) * | 2016-02-08 | 2016-07-06 | 王继龙 | Well point dewatering of sluice construction usefulness |
| CN106595802A (en) * | 2016-11-08 | 2017-04-26 | 中铁三局集团有限公司 | Method of monitoring of underground water outside deep foundation pit, warning and automatic recharge construction |
| CN206768791U (en) * | 2016-11-08 | 2017-12-19 | 中铁三局集团有限公司 | Groundwater monitoring, alarm and automatic recharge system on the outside of deep basal pit |
| CN108060677A (en) * | 2017-12-01 | 2018-05-22 | 杭州市环境集团有限公司 | A kind of positive/negative-pressure of Landfill precipitation strengthens pump drainage shaft structure and construction method |
| CN209741881U (en) * | 2018-09-14 | 2019-12-06 | 张继红 | Pneumatic precipitation device |
| CN110468911A (en) * | 2019-09-05 | 2019-11-19 | 上海长凯岩土工程有限公司 | A kind of gaslift returns and raises pattern synthesis recharge system |
| CN110984197A (en) * | 2019-11-25 | 2020-04-10 | 浙江大学 | Device and method for starting siphon drainage by pressurization |
| CN110878557A (en) * | 2019-12-05 | 2020-03-13 | 上海勘察设计研究院(集团)有限公司 | Layered bidirectional drainage method and device for foundation pit dewatering |
| CN111636452A (en) * | 2020-05-28 | 2020-09-08 | 中建八局天津建设工程有限公司 | Foundation dewatering system and dewatering method thereof |
| CN214219755U (en) * | 2020-12-17 | 2021-09-17 | 河南大学 | Concrete underground wall body dampproof device |
| CN214089939U (en) * | 2020-12-18 | 2021-08-31 | 广州轨道交通建设监理有限公司 | Foundation pit gas lift reverse circulation precipitation device |
| CN216108436U (en) * | 2021-05-26 | 2022-03-22 | 上海勘察设计研究院(集团)有限公司 | Circulation adds pressure release precipitation system and ground treatment system thereof |
| CN113250222A (en) * | 2021-05-31 | 2021-08-13 | 中铁十八局集团有限公司 | Intelligent pneumatic dewatering device for subway station foundation pit |
Non-Patent Citations (2)
| Title |
|---|
| 基坑井点气动降水应用技术;钟治亮;;四川水泥;20200415(04);第130+133页 * |
| 气动降水施工技术在基坑降水中的应用;戴瑞等;《住宅与房地产》;20200131(第3期);第234页 * |
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