CN105674955A - Field test method and device for controlling ground subsidence by artificial aeration - Google Patents
Field test method and device for controlling ground subsidence by artificial aeration Download PDFInfo
- Publication number
- CN105674955A CN105674955A CN201610013710.7A CN201610013710A CN105674955A CN 105674955 A CN105674955 A CN 105674955A CN 201610013710 A CN201610013710 A CN 201610013710A CN 105674955 A CN105674955 A CN 105674955A
- Authority
- CN
- China
- Prior art keywords
- inflation
- well
- pressure
- depth
- monitoring
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Sampling And Sample Adjustment (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
Relating to the field of test methods and technologies for controlling ground subsidence, the invention provides a field test method of controlling ground subsidence by replacing fresh water with compressed air to recharge an underground aquifer. The method solves the problems of wasting of water resources, wasting of time and energy, high cost and the like in previous methods for controlling ground subsidence, and does not cause secondary pollution to underground environment. According to a technical scheme adopted by the invention, the field test method and device for controlling ground subsidence by artificial aeration involve the following parts of: (1) an aeration well and a monitoring well, (2) an aeration system, (3) a control system, and (4) an acquisition system. The method and the device provided by the invention are mainly applied to test occasions controlling ground subsidence.
Description
Technical field
The present invention relates to the test method of control surface subsidence and technical field, it is specifically related to on-the-spot test method and the device of the control surface subsidence of a kind of manual inflation's method.
Background technology
Surface subsidence is under natural and artificial factor effect, and the slow sex change geological disaster of one causing regional ground absolute altitude to reduce due to the compression of the earth's crust top layer soil body is a kind of permanent environment and resources loss that can not compensate. China's surface subsidence mainly concentrates on middle part and east along Haicheng City, regional very harmful to these rapid economic developments. From the feature of China's surface subsidence, the excessive exploitation of underground water is main cause, the natural cause such as distortion also comprising geology in addition. From the basic condition of surface subsidence, the regional scope of surface subsidence is big, and process is relatively slower, thus early stage not easily discovery settlement issues place, and people are lived impact greatly, become a kind of serious environmental geological Hazard. Therefore, carry out the exploration research to control surface subsidence to have important practical significance.
At present, control surface subsidence mainly to combine, limit or reduce underground water exploitation amount, adjustment exploited stratum of groundwater with regional control from strengthening monitoring and forecasting, integrated control, rationally arrange the aspects such as recovery time, underground water artificial recharge, the communication and education dynamics that strengthens surface subsidence and prevent and treat and start with. Reduce underground water exploitation amount, it is possible to supply and demand water contradiction can be aggravated; Artificial recharge needs a large amount of water resources, and for water resources shortage area, engineering of need to building water conservancy projects, certainly will increase cost; Propagate and educate the contribution of control settlement is very little; In a word, these hazard management measures, study on monitoring measure and administrative regulation measure, can not effectively control surface subsidence. Therefore, this attempts new test method to explore research surface subsidence problem with regard to requiring, reaches the object of effectively control surface subsidence.
Summary of the invention
For overcoming the deficiencies in the prior art, recharge into water-bearing layer, underground it is desirable to provide a kind of compressed air substitutes fresh water to control the on-the-spot test method of surface subsidence, the problems such as it both can solve the waste water resource of in the past control surface subsidence method, waste time and energy, cost height, can not form secondary pollution to underground environment again.
The technical solution used in the present invention is, the field test device of manual inflation's method control surface subsidence, comprises with lower part:
(1) well and monitoring well is inflated
Comprise 1 mouthful of inflation well, several mouthfuls of monitoring wells are set as required, monitoring well inflation well periphery;
(2) system is inflated
Realizing inflation process by air compressor, the work pressure of air compressor machine is depending on inflating the degree of depth of well, and the degree of depth is more big, and work pressure requirements is more big; The compressed air flow of air compressor machine is selected according to the aperture size of inflation well, and aperture is more big, it is desired to the compressed air flow of air compressor machine is more big;
(3) control system
Being made up of elementary pressure-reducing valve, filter, high accuracy pressure-reducing valve and digital pressure meter, its middle filtrator comprises oil removing filter and/or dried filter;
(4) acquisition system
At each monitoring well, TDR, soil pressure box, osmometer are set, also comprise: adopt the monitoring soil moisture Acquisition Instrument of 8 passages to gather soil volumetric water content and soil temperature data, adopt the strain acquirement instrument of 16 passages to gather soil pressure force value and pore water pressure force value, adopt spirit level to coordinate leveling observation stake to obtain height value.
The high pressure air that air compressor produces imports underground by the steel pipe of supplying gas in inflation well, and supplying gas, steel pipe inflation section is made into sieve aperture, and steel pipe of supplying gas is fixed in underground, prevents it to be moved in the process of inflation.
Monitoring well depth arrangement requirement: the degree of depth of the monitoring well in two directions in due south and positive north should be greater than the degree of depth of inflation section upper end; The monitoring well depth in two directions in northeast and southwest should be located close in the middle part of first soil layer on inflation top, water-bearing layer; The monitoring well depth position of due east, Zheng Xi, the southeast and northwest four direction should in the middle part of the 2nd soil layer on inflation top, water-bearing layer. The concrete degree of depth of monitoring well is determined according to clay distribution.
Monitoring well depth arrangement requirement: the degree of depth of the monitoring well in two directions in due south and positive north should be greater than the degree of depth of inflation outlet upper end, inflation down-hole; The monitoring well depth in two directions in northeast and southwest should be located close in the middle part of first soil layer on inflation top, water-bearing layer; The monitoring well depth position of due east, Zheng Xi, the southeast and northwest four direction should in the middle part of the 2nd soil layer on inflation top, water-bearing layer; The concrete depth value of monitoring well is determined according to clay distribution.
The on-the-spot test method of manual inflation's method control surface subsidence, comprises the following steps:
1) 1 mouthful of inflation well is set, several mouthfuls of monitoring wells are set as required, monitoring well inflation well periphery;
2) utilizing air compressor to realize inflation process, the work pressure of air compressor machine is depending on inflating the degree of depth of well, and the degree of depth is more big, and work pressure requirements is more big; The compressed air flow of air compressor machine is selected according to the aperture size of inflation well, and aperture is more big, it is desired to the compressed air flow of air compressor machine is more big;
3) gas utilizing elementary pressure-reducing valve, filter, high accuracy pressure-reducing valve and digital pressure meter to be produced by air compressor imports inflation down-hole, and its middle filtrator comprises oil removing filter and/or dried filter;
TDR, soil pressure box, osmometer is utilized to measure data, adopt the monitoring soil moisture Acquisition Instrument of 8 passages to gather soil volumetric water content and soil temperature data, adopt the strain acquirement instrument of 16 passages to gather soil pressure force value and pore water pressure force value, adopt spirit level to coordinate leveling observation stake to obtain height value.
In the process that air compressor uses, pressure should increase step by step, must not reverse applying pressure.
In inflation well, the location arrangements principle of the section of inflation to be positioned at the good soil layer of permeability, and the good soil layer of permeability is powder soil or silty sand ground, and gas injection section exists the less relatively weak pervious bed of permeability up and down; The degree of depth arrangement principle of monitoring well to meet the data acquisition near inflation section and inflation section top, monitoring well is that the monitoring well that distance is more little is relatively dark with the radial direction distance arrangement principle of inflation well, and it is close with the degree of depth in the middle part of inflation section, the radial degree of depth apart from big monitoring well reduces, and the different depth place between inflation section top and level of ground water.
Feature and the useful effect of the present invention be:
Compared with the technology such as existing artificial recharge fresh water, present invention saves valuable freshwater resources, and underground environment can not be polluted; The sensor that the present invention utilizes technology more ripe and Acquisition Instrument obtain the real-time same step data in test block, simple and efficient to handle, can carry out for a long time; The present invention utilizes air replacement fresh water to recharge and enters water-bearing layer, underground, is that a kind of exploration cost-saving, high efficiency is studied.
Accompanying drawing illustrates:
Fig. 1 is that inflation well arranges schematic diagram with observation well profile;
Fig. 2 is inflation well and observation well horizontal layout schematic diagram;
Fig. 3 is electric moveable formula air compressor;
Fig. 4 is pressure regulable control panel;
Fig. 5 is the part data and curves collected;
Fig. 6 is the part data list collected;
Fig. 7 is intact device schematic diagram.
Specific embodiment party formula
The present invention is achieved by following technical solution.
An on-the-spot test method for manual inflation's method control surface subsidence, comprises with lower part:
(1) well and monitoring well is inflated
The present invention comprises 1 mouthful of inflation well, can arrange several mouthfuls of monitoring wells as required, and section arranges that accompanying drawing 1 is shown in by schematic diagram, and accompanying drawing 2 is shown in by horizontal layout schematic diagram.
(2) system is inflated
Realizing inflation process by air compressor, portable owing to being suitable in the wild selecting, as shown in Figure 3, the work pressure of air compressor machine is depending on inflating the degree of depth of well, and the degree of depth is more big, and the pressure requirements that works is more big; The compressed air flow of air compressor machine is selected according to the aperture size of inflation well, and aperture is more big, it is desired to the compressed air flow of air compressor machine is more big.
(3) control system
It is made up of elementary pressure-reducing valve, filter, high accuracy pressure-reducing valve and digital pressure meter, passes through said apparatus successively by air compressor machine compressed air out. Wherein elementary pressure-reducing valve is that what import pressure reduced to a certain needs goes out mouth pressure, and relies on the energy of medium itself, uses the valve that mouth pressure keeps stable automatically by regulating; Filter removes a small amount of oil that compressed air carries, moisture, the material such as dust. Producing coalescent effect when compressed air is filtered by first order tubular mesh, bigger particle will be attracted on filter material, and moisture can condense into bigger water droplet. When entering separation, compressed air speed slows down so that particle is assembled again, and water smoke is on a cellular water trap. Water flows to the device of draining along bottom, is discharged by automatic or manual draining valve. At this moment the water droplet of more than 95% in compressed air, oil droplet and big particle are by the first filter core filtering, and the compressed air after the first order is filtered enters second level filter core. Compressed air by the second level by fibrous filter net made by special material time, thousands of micro cyclones can be produced, compressed air will be accelerated tens of times simultaneously, form vacuum state, first filter again be not vaporized by the water droplet of filtering, change, filtering, meanwhile, the little particle to 5 microns is also removed completely by the 2nd filter screen; High accuracy pressure-reducing valve is the same with elementary pressure-reducing valve work principle, just regulates in precision higher at pressure; Digital pressure meter is based on Magnus effect, it is possible to show the instrument of the indexs such as flow, pressure, temperature on instrument panel, the built-in differential pressure sensor of this instrument, by being connected with computer, and can the data such as real time record pressure, flow. Control panel schematic diagram is as shown in Figure 4.
(4) acquisition system
Comprise the collection of data and elevation data TDR, soil pressure box, osmometer measured, the present invention adopts the monitoring soil moisture Acquisition Instrument of 8 passages to gather soil volumetric water content and soil temperature data, adopt the strain acquirement instrument of 16 passages to gather soil pressure force value and pore water pressure force value, adopt spirit level to coordinate leveling observation stake to obtain height value. The partial results schematic diagram of image data is as shown in accompanying drawing 5,6.
Below in conjunction with specific embodiment, the present invention is described in more detail, and this example intact device schematic diagram is as shown in Figure 7.
(1) addressing
The area that stratum data should be selected as far as possible known and the soil layer of good penetrability carry out on-the-spot test, which save pre-stage test cost. This on-the-spot test is selected in Tianjin new and high-tech development zone HaiTai Development one No. 3 Tianjin Ke Run agricultural science and technology limited company Vegetable Research Institute.
(2) laying of well with monitoring well is inflated
This on-the-spot test arranges 1 mouthful of inflation well and 8 mouthfuls of monitoring wells, and section arranges that schematic diagram and horizontal layout schematic diagram are shown in accompanying drawing 1, accompanying drawing 2 respectively. The degree of depth of concrete well reconnoitres decision according to known field geology, and in inflation well, the location arrangements principle of the section of inflation to be positioned at the good soil layer of permeability, and such as powder soil, silty sand ground etc., and gas injection section exists the less relatively weak pervious bed of permeability up and down; The degree of depth arrangement principle of monitoring well to meet the data acquisition near inflation section and inflation section top, monitoring well is that the monitoring well that distance is more little is relatively dark with the radial direction distance arrangement principle of inflation well, and it is close with the degree of depth in the middle part of inflation section, the radial degree of depth apart from big monitoring well reduces, and the different depth place between inflation section top and level of ground water.
Effective diameter of this on-the-spot experiment inflation well is 20cm, and the degree of depth of inflation well arrives in the relatively weak pervious bed of airflow layer bottom, and the length of gas injection section is 1.5m.
High pressure air fills a steel pipe of supplying gas and imports underground by feeling at ease in the borehole, is made into sieve aperture in inflation section (1.5m length), and whole steel pipe should guarantee to bear the air pressure power of 1.5bar; Steel pipe of supplying gas is connected with source of high pressure air a section of ground, therefore, will arrange thread conversioning joint in the ground section of outlet, and the pipe internal diameter after changing is 1 cun, and joint should seal the generation preventing gas leakage; Pipe of supplying gas should be fixed a section of underground, prevents from being moved in the process of inflation.
The hole process method holed and supply gas between steel pipe of inflation well should be suitable, fills gravel stone filtrate in the hole of inflation section, and be filled with a sealing in the hole more than inflation section material, such as clay or concrete.
Monitoring totally 8 mouthfuls, well, the aperture of boring is not less than 100mm, lay respectively at (i.e. positive north, due south, due east, Zheng Xi, northeast, the southeast, northwest, southwestward) in the radial direction to inflate 8 deciles of circle centered by well, wherein the monitoring well spacing of due south, Zheng Bei, due east and just western four direction is 1.0m from the radial direction distance of inflation well, and the monitoring well of other four directions is 2.0m with the radial direction distance of inflation well.
Monitoring well depth arrangement requirement: the degree of depth of the monitoring well in two directions in due south and positive north should be greater than the degree of depth of inflation section upper end; The monitoring well depth in two directions in northeast and southwest should be located close in the middle part of first soil layer on inflation top, water-bearing layer; The monitoring well depth position of due east, Zheng Xi, the southeast and northwest four direction should in the middle part of the 2nd soil layer on inflation top, water-bearing layer. The concrete degree of depth of monitoring well is determined according to clay distribution.
Each monitoring bottom installs three kinds of monitoring probes, comprises TDR (diameter 5cm, length 15cm), soil pressure box (diameter 2.8cm, thickness 1.0cm), osmometer (diameter 2.8cm, thickness 1.7cm). First being welded steelframe for fixing three kinds of probes, the data line of monitoring probe adopts screw thread joint sealing by the sensible ground of water pipe precaution that diameter is 40mm, exit, steel pipe ground; Then probe manages to send into monitoring bottom, return the sand burying certain depth, can test monitoring probe normal operation, adopt sealing material or the hole between original state earthen backfill monitoring boring and steel pipe after test is normal, should manage to prevent the high pressure air being filled with underground from moving the generation of phenomenon along the monitoring borehole wall and steel pipe.
(3) system is inflated
Adopting electric moveable formula air compressor to provide compressed air in this example, the nominal operation pressure of this air compressor machine is 7.0bar, and capacity is 4.2m3/ min, the caliber of giving vent to anger after finally changing is into 1 cun. In the process that air compressor uses, pressure should increase step by step, must not reverse applying pressure. Object prevents the excessive formation gas leakage passage of force value, makes test failure; Force value can not be excessively little simultaneously, crosses the effect that little meeting does not reach inflation. Therefore require that force value increases within the specific limits step by step.
(4) control system
This example all fills control element on one panel. Being made up of elementary pressure-reducing valve, filter, high accuracy pressure-reducing valve and digital pressure meter, its middle filtrator can be divided into according to function, and oil removing filter and dried filter, the present invention only needs oil removing filter. This control panel, the object to compressed air filter oil can be realized, the elementary decompression to pressure and high accuracy adjustment can be realized, thus a series of force value can be obtained, the size of each moment continuous print of Different periods actual press-in water-bearing layer, underground pressure can be measured simultaneously.
(5) acquisition system
In each monitoring bottom, three kinds of monitoring probes are installed, comprise TDR (diameter 5cm, length 15cm), soil pressure box (diameter 2.8cm, thickness 1.0cm), osmometer (diameter 2.8cm, thickness 1.7cm). First being welded steelframe for fixing three kinds of probes, the data line of monitoring probe adopts screw thread joint sealing by the sensible ground of water pipe precaution that diameter is 40mm, exit, steel pipe ground; Then probe is sent into monitoring bottom, return the sand burying certain depth, test monitoring probe can normal operation, adopt sealing material or the hole between original state earthen backfill monitoring boring and steel pipe after test is normal, should prevent the high pressure air being filled with underground from moving along the monitoring borehole wall and steel pipe. And in the certain limit of test region, lay the elevation observation stake of some.
TDR sensor is connected with the monitoring soil moisture Acquisition Instrument of 8 passages by signal transmission cable, and then Acquisition Instrument is connected with computer again, and this just can obtain soil volumetric water content and soil temperature data at computer terminal; Soil pressure box and osmometer, by same connected mode, first connect the strain acquirement instrument of 16 passages, then Acquisition Instrument are connected with computer, and then obtain soil pressure force value and pore water pressure force value; For the acquisition of height value, the present embodiment adopts spirit level to coordinate elevation observation stake to obtain height value.
Claims (6)
1. a field test device for manual inflation's method control surface subsidence, is characterized in that, comprise with lower part:
(1) well and monitoring well is inflated
Comprise 1 mouthful of inflation well, several mouthfuls of monitoring wells are set as required, monitoring well inflation well periphery;
(2) system is inflated
Realizing inflation process by air compressor, the work pressure of air compressor machine is depending on inflating the degree of depth of well, and the degree of depth is more big, and work pressure requirements is more big; The compressed air flow of air compressor machine is selected according to the aperture size of inflation well, and aperture is more big, it is desired to the compressed air flow of air compressor machine is more big;
(3) control system
Being made up of elementary pressure-reducing valve, filter, high accuracy pressure-reducing valve and digital pressure meter, its middle filtrator comprises oil removing filter and/or dried filter;
(4) acquisition system
At each monitoring well, TDR, soil pressure box, osmometer are set, also comprise: adopt the monitoring soil moisture Acquisition Instrument of 8 passages to gather soil volumetric water content and soil temperature data, adopt the strain acquirement instrument of 16 passages to gather soil pressure force value and pore water pressure force value, adopt spirit level to coordinate leveling observation stake to obtain height value.
2. the field test device of manual inflation's method control surface subsidence as claimed in claim 1, it is characterized in that, the high pressure air that air compressor produces imports underground by the steel pipe of supplying gas in inflation well, supplying gas, steel pipe inflation section is made into sieve aperture, steel pipe of supplying gas is fixed in underground, prevents it to be moved in the process of inflation.
3. the field test device of manual inflation's method control surface subsidence as claimed in claim 1, is characterized in that, monitoring well depth arrangement requirement: the degree of depth of the monitoring well in two directions in due south and positive north should be greater than the degree of depth of inflation section upper end; The monitoring well depth in two directions in northeast and southwest should be located close in the middle part of first soil layer on inflation top, water-bearing layer; The monitoring well depth position of due east, Zheng Xi, the southeast and northwest four direction should in the middle part of the 2nd soil layer on inflation top, water-bearing layer. The concrete degree of depth of monitoring well is determined according to clay distribution.
4. an on-the-spot test method for manual inflation's method control surface subsidence, is characterized in that, comprise the following steps:
1) 1 mouthful of inflation well is set, several mouthfuls of monitoring wells are set as required, monitoring well inflation well periphery;
2) utilizing air compressor to realize inflation process, the work pressure of air compressor machine is depending on inflating the degree of depth of well, and the degree of depth is more big, and work pressure requirements is more big; The compressed air flow of air compressor machine is selected according to the aperture size of inflation well, and aperture is more big, it is desired to the compressed air flow of air compressor machine is more big;
3) gas utilizing elementary pressure-reducing valve, filter, high accuracy pressure-reducing valve and digital pressure meter to be produced by air compressor imports inflation down-hole, and its middle filtrator comprises oil removing filter and/or dried filter;
TDR, soil pressure box, osmometer is utilized to measure data, adopt the monitoring soil moisture Acquisition Instrument of 8 passages to gather soil volumetric water content and soil temperature data, adopt the strain acquirement instrument of 16 passages to gather soil pressure force value and pore water pressure force value, adopt spirit level to coordinate leveling observation stake to obtain height value.
5. the on-the-spot test method of manual inflation's method control surface subsidence as claimed in claim 4, it is characterized in that, in inflation well, the location arrangements principle of the section of inflation to be positioned at the good soil layer of permeability, the good soil layer of permeability is powder soil or silty sand ground, and gas injection section exists the less relatively weak pervious bed of permeability up and down; The degree of depth arrangement principle of monitoring well to meet the data acquisition near inflation section and inflation section top, monitoring well is that the monitoring well that distance is more little is relatively dark with the radial direction distance arrangement principle of inflation well, and it is close with the degree of depth in the middle part of inflation section, the radial degree of depth apart from big monitoring well reduces, and the different depth place between inflation section top and level of ground water.
6. the on-the-spot test method of manual inflation's method control surface subsidence as claimed in claim 4, is characterized in that, in the process that air compressor uses, pressure should increase step by step, must not reverse applying pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013710.7A CN105674955B (en) | 2016-01-08 | 2016-01-08 | Manual inflation's method controls the field testing procedure and device of surface subsidence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013710.7A CN105674955B (en) | 2016-01-08 | 2016-01-08 | Manual inflation's method controls the field testing procedure and device of surface subsidence |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105674955A true CN105674955A (en) | 2016-06-15 |
| CN105674955B CN105674955B (en) | 2018-08-10 |
Family
ID=56299672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013710.7A Expired - Fee Related CN105674955B (en) | 2016-01-08 | 2016-01-08 | Manual inflation's method controls the field testing procedure and device of surface subsidence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105674955B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501157A (en) * | 2016-12-13 | 2017-03-15 | 河海大学 | Scene determines the inner tube drawdown double-tube method of outer tube aquiclude hydrogeological parameter |
| TWI650574B (en) * | 2018-02-27 | 2019-02-11 | 國立中央大學 | Tdr device and method for monitoring subsidence variation |
| CN110132650A (en) * | 2019-04-30 | 2019-08-16 | 同济大学 | A kind of contaminated site underground water gang of wells method of sampling |
| CN112730777A (en) * | 2020-12-22 | 2021-04-30 | 华南理工大学 | Method for rapidly detecting underground water on site |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050191137A1 (en) * | 2002-09-17 | 2005-09-01 | Shunta Shiraishi | Method for preventing seismic liquefaction of ground in urbanized area and facilities used in this method |
| CN103575198A (en) * | 2013-09-06 | 2014-02-12 | 南京大学 | Ground deformation air bag simulation method |
| JP2015031148A (en) * | 2013-08-03 | 2015-02-16 | 日新興業株式会社 | Device for both cavity volume inspection and uplift pressure removal, and method for installing the same |
| CN104537232A (en) * | 2014-12-23 | 2015-04-22 | 天津大学 | Lisse phenomenon considered shallow groundwater level prediction method |
-
2016
- 2016-01-08 CN CN201610013710.7A patent/CN105674955B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050191137A1 (en) * | 2002-09-17 | 2005-09-01 | Shunta Shiraishi | Method for preventing seismic liquefaction of ground in urbanized area and facilities used in this method |
| JP2015031148A (en) * | 2013-08-03 | 2015-02-16 | 日新興業株式会社 | Device for both cavity volume inspection and uplift pressure removal, and method for installing the same |
| CN103575198A (en) * | 2013-09-06 | 2014-02-12 | 南京大学 | Ground deformation air bag simulation method |
| CN104537232A (en) * | 2014-12-23 | 2015-04-22 | 天津大学 | Lisse phenomenon considered shallow groundwater level prediction method |
Non-Patent Citations (2)
| Title |
|---|
| 孙冬梅等: "考虑气象作用的降雨入渗对非饱和土坡稳定性的影响", 《天津大学学报》 * |
| 孙冬梅等: "考虑气象影响的降雨入渗过程分析研究", 《岩土力学》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501157A (en) * | 2016-12-13 | 2017-03-15 | 河海大学 | Scene determines the inner tube drawdown double-tube method of outer tube aquiclude hydrogeological parameter |
| CN106501157B (en) * | 2016-12-13 | 2019-07-12 | 河海大学 | Scene determines the inner tube drawdown double-tube method of outer tube aquiclude hydrogeological parameter |
| TWI650574B (en) * | 2018-02-27 | 2019-02-11 | 國立中央大學 | Tdr device and method for monitoring subsidence variation |
| CN110132650A (en) * | 2019-04-30 | 2019-08-16 | 同济大学 | A kind of contaminated site underground water gang of wells method of sampling |
| CN110132650B (en) * | 2019-04-30 | 2021-11-09 | 同济大学 | Sampling method for underground water well group in polluted site |
| CN112730777A (en) * | 2020-12-22 | 2021-04-30 | 华南理工大学 | Method for rapidly detecting underground water on site |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105674955B (en) | 2018-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105298490B (en) | Underground fluid Stratified Sampling apparatus and method based on U-tube technology | |
| CN201883451U (en) | Single-hole multi-layer underground water dynamic monitoring well | |
| WO2013159749A1 (en) | Method for distributed storage and use of underground water in mine | |
| CN105674955A (en) | Field test method and device for controlling ground subsidence by artificial aeration | |
| CN101070704A (en) | Controllable one-well lamina precipitation construction method | |
| CN207554023U (en) | Hydrate recovery well cased hole gravel packing analogue system | |
| CN105369812B (en) | The pressure water head of foundation ditch pumping with constant rate determines method under suspension type water-stop curtain | |
| CN107587516A (en) | A kind of efficient sealing of Follow-up type hinders sand precipitation hybrid system and its construction method | |
| CN108761019A (en) | A kind of underground water suitable for multiple water-bearing layers is layered monitoring well | |
| Colombo et al. | Influence of underground structures and infrastructures on the groundwater level in the urban area of Milan, Italy | |
| CN112229981A (en) | Device for simulating comprehensive influence of foundation pit excavation and multi-gradient precipitation on tunnel | |
| CN107893445A (en) | A kind of arid area underground water Allowable exploitation quantity evaluation method | |
| CN108266912A (en) | A kind of recharge system and recharge method using shallow layer geothermal energy | |
| CN107832540A (en) | A kind of compact oil reservoir technical limit well space determines method | |
| CN104318843B (en) | Artesian well water injection test device | |
| CN107420100A (en) | One kind layering water plug and layering pumping system | |
| CN106223346A (en) | A kind of packing method scrapping motor-pumped well | |
| CN113026719A (en) | Large-area soft soil foundation electroosmosis separation well point dewatering system and reinforcing method thereof | |
| CN101858074A (en) | Construction method and device for on-site water injection test | |
| CN105297739B (en) | The determination method of pressure water head when the default water level of foundation ditch draws water under water-stop curtain | |
| CN206220082U (en) | A kind of automation settlement monitoring device for being applicable Yu Haiyang land reclamation construction usage | |
| CN213209012U (en) | Ground settlement monitoring layering mark and water level monitoring well | |
| CN215290068U (en) | Large-area electroosmosis separation well point dewatering system for soft soil foundation | |
| CN101130954A (en) | Vacuum decompression method for adjustable pressure water in series | |
| CN210768905U (en) | Coal mining bottom plate dredging water simulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 300350 Haijing garden, Haihe Education Park, Jinnan, Tianjin, 135, Tianjin University. Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20210108 |