CN103868838A - Soil permeability coefficient measurement system - Google Patents
Soil permeability coefficient measurement system Download PDFInfo
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- CN103868838A CN103868838A CN201410062647.7A CN201410062647A CN103868838A CN 103868838 A CN103868838 A CN 103868838A CN 201410062647 A CN201410062647 A CN 201410062647A CN 103868838 A CN103868838 A CN 103868838A
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Abstract
The invention provides a soil permeability coefficient measurement system which comprises a filling subsystem filled with a soil sample to be measured, a liquid supply subsystem for providing penetrating fluid for the filling subsystem, and a temperature control subsystem for controlling soil body temperature of the soil sample to be measured, wherein the liquid supply subsystem comprises a liquid storage device used for storing the penetrating fluid, a pressure regulation device used for regulating pressure of the penetrating fluid which enters the filling subsystem, a speed measurement device used for measuring the flow velocity of the penetrating fluid which flows out of the filling subsystem, a liquid supply warehouse communicated with the liquid storage device, and a water pump which is arranged in the liquid supply warehouse and is communicated with the liquid storage device. According to the soil permeability coefficient measurement system, a single environmental factor can be simulated, so that the influence of the single environmental factor on the permeability coefficient of the soil sample to be detected is detected, and multiple coexisting environmental factors can be simultaneously simulated. Therefore, the combined effects of the multiple environmental factors on the permeability coefficient of the soil sample to be measured are simultaneously detected.
Description
Technical field
The invention belongs to Geotechnical Engineering field, relate to a kind of apparatus for measuring permeability coefficient.
Background technology
Darcy's law is the experiment law of reflection water percolation law in ground hole of drawing by great many of experiments in 1852～1855 years of French hydraulician darcy, and its expression formula is Q=KFh/L.Wherein, coefficient of permeability K is the important parameter that characterizes soil body penetration ability.Therefore, measure coefficient of permeability K and become one of laboratory soil test step important in Geotechnical Engineering.At present the measurement of coefficient of permeability K is mainly undertaken by conventional darcy flow instrument, and conventional darcy flow instrument cannot Simulation of Complex environment under the process of osmosis of the soil body.
In recent years, to the soil body, the research of the coefficient of permeability K under certain complex environment launched step by step.Gu the patent of invention that application number is 201010277944.5 discloses many coupling permeability survey devices of a kind of porosint stream--Re and measuring method thereof, this patent has been considered the impact of temperature field on soil body osmotic coefficient; Application number is that 201210324287.4 patent of invention discloses biological simulating test device and the simulation test appraisal procedure stopped up of a kind of hole medium, this patent research the impact of microorganism on soil body osmotic coefficient.But above-mentioned patent once only can be studied the impact of a kind of complex environment on soil body osmotic coefficient, the impact of study of many complicated environment on soil body osmotic coefficient simultaneously.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, object is to provide the soil body osmotic coefficient measuring system of the impact of a kind of study of many complicated environment simultaneously on soil body osmotic coefficient.
For achieving the above object, solution of the present invention is:
The invention provides a kind of soil body osmotic coefficient measuring system, comprise: the appearance system of filling out that is filled with soil sample to be measured, for providing the feed flow subsystem of penetrating fluid to filling out appearance system, the head measurement mechanism that is used for the temperature control subsystem of the soil temperature of controlling soil sample to be measured and is positioned at the part of penetrating fluid upstream side and is positioned at the head difference of the part in penetrating fluid downstream for measuring soil sample to be measured, feed flow subsystem comprises the device for storing liquid for storing penetrating fluid, the speed measuring device that is used for regulating the regulator of the pressure that enters the penetrating fluid of filling out appearance system and fills out the flow velocity of the penetrating fluid of appearance system for measuring outflow.
Above-mentioned temperature control subsystem comprises heating chamber, for detection of the temperature sensor of the indoor temperature of heating chamber with for controlling heating chamber, indoor temperature is regulated and shown in real time the temperature display controller of indoor temperature, fill out appearance system and be arranged in heating chamber.
The above-mentioned appearance system of filling out comprises the admission chamber setting gradually from bottom to top, load filling out sample chamber and going out sap cavity of soil sample to be measured, inlet and the device for storing liquid of admission chamber are connected by feed tube, admission chamber and fill out between sample chamber and go out sap cavity and fill out and be equipped with corrosion-resistant filter screen between sample chamber, the part going out in the penetrating fluid that the liquid outlet of sap cavity discharges is transported to speed measuring device via mozzle and another part is transported to device for storing liquid via recirculatory pipe, mozzle is provided with the first flow control valve for controlling this mozzle break-make, recirculatory pipe is provided with the second flow control valve for controlling this recirculatory pipe break-make, the first flow control valve is opened when different with the first flow control valve.Further, above-mentioned device for storing liquid is liquid reserve tank, and the top cover of liquid reserve tank is connected with recirculatory pipe and its bottom is connected with feed tube.Above-mentioned regulator is crane, and this crane is for regulating the height of liquid reserve tank.
Above-mentioned feed flow subsystem also comprises: the feed flow storehouse being connected with liquid reserve tank by run-down pipe and be arranged on the water pump being connected with liquid reserve tank in feed flow storehouse and by feed pipe, the height of the connectivity part of feed pipe and liquid reserve tank is less than the height of the connectivity part of run-down pipe and liquid reserve tank.
Above-mentioned head measurement mechanism respectively by the first measuring tube and the second measuring tube with fill out sample chamber and be connected, the first measuring tube and the height of connectivity part of filling out sample chamber are less than the second measuring tube and the height of connectivity part of filling out sample chamber.
Above-mentioned penetrating fluid is neutral solution, strong acid solution, strong base solution or is rich in the liquid of microorganism.
Owing to adopting such scheme, the invention has the beneficial effects as follows:
In soil body osmotic coefficient measuring system of the present invention, first, each constituent apparatus, by the PVC material composition of acid and alkali resistance and microbiological corrosion, also can normally be worked under strong acid, highly basic and rich microbial environment; Secondly, the feed flow storehouse that feed flow subsystem adopts and water pump can be realized penetrating fluid circulating incessantly in soil sample to be measured, thereby simulate truly long-term seepage environment; Again, the regulator that feed flow subsystem adopts can be realized the control of the pressure to penetrating fluid, thereby simulates truly plurality of liquid pressure environment; Finally, temperature control subsystem can regulate the soil temperature of soil sample to be measured, thereby simulate various temperature environment, therefore, soil body osmotic coefficient measuring system not only can simulate single environmental factor, thereby can detect the impact of the infiltration coefficient of single environment factor on soil sample to be measured, can also simulate the multiple environmental factor coexisting simultaneously, thereby, can detect the joint effect of the infiltration coefficient of multiple environmental factors to soil sample to be measured simultaneously.
Accompanying drawing explanation
Fig. 1 is the formation schematic diagram of the soil body osmotic coefficient measuring system in the embodiment of the present invention.
Reference numeral:
Embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
Embodiment
The present embodiment provides a kind of soil body osmotic coefficient measuring system that can simulate multiple environment simultaneously and can measure the infiltration coefficient of the soil body under the combined influence of these environment.This soil body osmotic coefficient measuring system comprises the appearance system of filling out, feed flow subsystem, temperature control subsystem and head measurement mechanism etc.
As shown in Figure 1, fill out appearance system for loading soil sample to be measured and for soil sample to be measured provides infiltration environment, comprise the admission chamber 22 that sets gradually from bottom to top, fill out sample chamber 3 and go out sap cavity 24.Admission chamber 22 is positioned at the bottom of filling out appearance system, the penetrating fluid with certain pressure providing for receiving feed flow subsystem.Fill out the top that sample chamber 3 is positioned at admission chamber 22, profile is cylindric, is filled with soil sample to be measured in it.Admission chamber 22 and fill out and be provided with corrosion-resistant filter screen 2 between sample chamber 3.Go out sap cavity 24 and be positioned at the top of filling out sample chamber 3, for discharging the penetrating fluid after soil sample to be measured.Go out sap cavity 24 and fill out and between sample chamber 3, be also provided with corrosion-resistant filter screen 27.Soil sample to be measured is filled between corrosion-resistant filter screen 2 and corrosion-resistant filter screen 27.The penetrating fluid that carrys out liquid self-feeding subsystem enters admission chamber 22 from inlet 1, passes through successively corrosion-resistant filter screen 2 from bottom to top, fills out sample chamber 3, corrosion-resistant filter screen 27 and go out sap cavity 24, finally discharges by discharging tube 5 from liquid outlet 25.Black arrow in Fig. 1 represents the flow direction of penetrating fluid.Admission chamber 22, fill out sample chamber 3, go out sap cavity 24, corrosion-resistant filter screen 2 and corrosion-resistant filter screen 27 be by corrosion resistant pvc material (Polyvinyl chloride polymer, PVC) make, the not only corrosion of ability strong acid and highly basic, the also corrosion of ability microorganism.
Temperature control subsystem, for the soil temperature of soil sample to be measured being heated to the temperature needing, comprises heating chamber 17, temperature sensor 18 and temperature display controller 19.Heating chamber 17 is airtight tubular structure, for the air in it is heated.The whole appearance system of filling out is arranged in heating chamber 17, and heat heated chamber 17.Temperature sensor 18 is arranged on the inner bottom of heating chamber 17, for obtaining the real time data of indoor temperature of heating chamber 17.Temperature display controller 19 communicates to connect with temperature sensor 18 and heating chamber 17 respectively, not only can obtain the real time data that temperature sensor 18 sends and come and this real time data is shown to user in real time, can also allow user set needed temperature and control heating chamber 17 indoor temperature is heated to needed temperature, thereby realize the adjusting to soil temperature.
Feed flow subsystem, for providing penetrating fluid to filling out appearance system, comprises device for storing liquid, regulator, speed measuring device and circulating feeding liquid device.These devices are also made by corrosion resistant pvc material.
Device for storing liquid, for the temporary transient penetrating fluid that stores, is liquid reserve tank 13 in the present embodiment.The top cover of liquid reserve tank 13 is connected with discharging tube 5 by recirculatory pipe 7 and its bottom is connected with the inlet 1 of admission chamber 22 by feed tube 14.Penetrating fluid is any one in neutral solution, strong acid solution, strong base solution and the liquid that is rich in microorganism.
Regulator, for regulating the pressure that enters the penetrating fluid of filling out appearance system, is crane 16 in the present embodiment.Crane 16 can lifting or is reduced liquid reserve tank 13, and in the time of crane 16 lifting liquid reserve tank 13, the pressure that enters the penetrating fluid of filling out appearance system via feed tube 14 can increase; In the time that crane 16 reduces liquid reserve tank 13, the pressure that enters the penetrating fluid of filling out appearance system via feed tube 14 can reduce.
Circulating feeding liquid device comprises feed flow storehouse 10 and water pump 11.Feed flow storehouse 10 is for collecting the penetrating fluid overflowing from liquid reserve tank 13, and it is connected with liquid reserve tank 13 by run-down pipe 15.Water pump 11 is arranged in feed flow storehouse 10 and is connected with liquid reserve tank 13 by feed pipe 12.The height of the connectivity part of feed pipe 12 and liquid reserve tank 13 is less than the height of the connectivity part of run-down pipe 15 and liquid reserve tank 13, therefore, in the time that the liquid level of penetrating fluid in liquid reserve tank 13 exceedes the height of connectivity part of run-down pipe 15 and liquid reserve tank 13, the penetrating fluid in liquid reserve tank 13 just flows in feed flow storehouse 10 through run-down pipe 15.
The head difference that head measurement mechanism 23 is positioned at penetrating fluid upstream side part and is positioned at penetrating fluid downstream part for measuring the soil body to be measured.Head measurement mechanism 23 is connected with the part that is positioned at penetrating fluid upstream side of filling out sample chamber 3 by the first measuring tube 4, and is connected with the part of filling out sample chamber 3 and be positioned at penetrating fluid downstream by the second measuring tube 20.Because penetrating fluid flows from bottom to top in the soil body to be measured, therefore the first measuring tube 4 is less than the second measuring tube 20 and fills out the height of the connectivity part in sample chamber 3 with the height of the connectivity part of filling out sample chamber 3.
Use above-mentioned soil body osmotic coefficient measuring system to measure the step of infiltration coefficient of the soil body to be measured as described below:
The first step, preparation process: pack penetrating fluid into feed flow storehouse 10, soil sample to be measured packs into fills out sample chamber 3, on temperature display controller 19, set temperature required, temperature display controller 19 is controlled heating chamber 17 and is warming up to preset temperature T, and maintain the constant of this preset temperature T, by crane 16, liquid reserve tank 13 is increased to desired height to regulate permeate pressure to predetermined pressure P.
Second step, initial osmotic coefficient investigating step: first close the first flow control valve 9, open the second flow control valve 8, then starting water pump 11 makes penetrating fluid be full of whole soil body osmotic coefficient measuring system, after the head recording until head measurement mechanism 23 is stablized, open the first flow control valve 9, close the second flow control valve 8, calculate V according to speed measuring device 6
1(being the volume of the penetrating fluid of outflow in the unit interval), and on head measurement mechanism 23, read head difference Δ H
1, by Darcy formula K=V
1/ Δ H
1calculate initial coefficient of permeability K
1.
The 3rd step, cyclic process: within the t moment, close the first flow control valve 9, open the second flow control valve 8, make penetrating fluid under the effect of water pump 11, through feed pipe 12, liquid reserve tank 13, feed tube 14, inlet 1, soil sample to be measured, liquid outlet 25, recirculatory pipe 7, liquid reserve tank 13, run-down pipe 15, be circulated back to feed flow storehouse 10 by feed flow storehouse 10.In this process, the condition such as liquid property, pressure of temperature, penetrating fluid all remains unchanged, and each element keeps normal work.
The determination step of the 4th step, infiltration coefficient: when t moment, repeat second step, the coefficient of permeability K of soil sample to be measured while calculating t moment
t, calculate Δ K=K
1-K
t.The impact of the coupling such as stable circulation seepage flow condition, the predetermined liquid property environment that it is t that Δ K is at predetermined pressure P, preset temperature T, duration on soil body osmotic coefficient.
Soil body osmotic coefficient measuring system in the present embodiment has the following advantages:
First, each component devices of this soil body permeability coefficient measuring system is by the PVC material composition of acid and alkali resistance and microbiological corrosion, under the environment of strong acid, highly basic or rich microorganism, also can normally work, thereby can simulate truly the seepage state of the soil body under true environment.
Secondly, the water pump of this soil body permeability coefficient measuring system can be transported to liquid reserve tank from feed flow storehouse by penetrating fluid, through soil sample to be measured, and is transmitted back to liquid reserve tank through recirculatory pipe, can realize penetrating fluid and circulate incessantly, thereby simulate truly the long-term residing circulation seepage environment of the soil body.
Again, in this soil body permeability coefficient measuring system, liquid reserve tank is installed on crane, can on crane, change height, thereby realizes the control to permeate pressure, and then simulates truly the residing plurality of liquid pressure environment of the soil body.
Finally, this soil body permeability coefficient measuring system is provided with temperature control subsystem, detects the temperature value of heating chamber, and it is carried out to real time temperature control by built-in temperature sensor, make soil temperature remain required temperature, thereby simulate the residing various temperature environment of the soil body.
In a word, the soil body osmotic coefficient measuring system of the present embodiment simultaneously real simulation goes out the multiple environmental factor coexisting, and can detect the joint effect of the infiltration coefficients of multiple environmental factors to the soil body such as strong acid or highly basic, rich microorganism, temperature field, stress field simultaneously.
The above-mentioned description to embodiment is can understand and use the present invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various modifications to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art are according to announcement of the present invention, and not departing from the improvement that category of the present invention makes and revise all should be within protection scope of the present invention.
Claims (8)
1. a soil body osmotic coefficient measuring system, comprise: be filled with the appearance system of filling out of soil sample to be measured and for filling out appearance system the feed flow subsystem of penetrating fluid is provided to described, it is characterized in that: the head measurement mechanism that also comprises the temperature control subsystem of the soil temperature for controlling described soil sample to be measured and be positioned at the part of penetrating fluid upstream side and be positioned at the head difference of the part in penetrating fluid downstream for measuring described soil sample to be measured, described feed flow subsystem comprises the device for storing liquid for storing described penetrating fluid, for regulating the regulator of the pressure of filling out the penetrating fluid of appearance system described in entering and for measuring the speed measuring device of filling out the flow velocity of the penetrating fluid of appearance system described in outflow.
2. soil body osmotic coefficient measuring system according to claim 1, it is characterized in that: described temperature control subsystem comprises heating chamber, for detection of the temperature sensor of the indoor temperature of described heating chamber with for controlling described heating chamber, described indoor temperature is regulated and shown in real time the temperature display controller of described indoor temperature, described in fill out appearance system and be arranged in described heating chamber.
3. soil body osmotic coefficient measuring system according to claim 1, it is characterized in that: described in fill out appearance system and comprise the admission chamber setting gradually from bottom to top, load filling out sample chamber and going out sap cavity of described soil sample to be measured, the inlet of described admission chamber and described device for storing liquid are connected by feed tube, described admission chamber and described in fill out between sample chamber and described in go out sap cavity and described in fill out and between sample chamber, be equipped with corrosion-resistant filter screen, described go out a part in the liquid outlet of the sap cavity penetrating fluid of discharging be transported to described speed measuring device via mozzle and another part is transported to described device for storing liquid via recirculatory pipe, described mozzle is provided with the first flow control valve for controlling this mozzle break-make, described recirculatory pipe is provided with the second flow control valve for controlling this recirculatory pipe break-make, described the first flow control valve is opened when different with described the first flow control valve.
4. soil body osmotic coefficient measuring system according to claim 3, is characterized in that: described device for storing liquid is liquid reserve tank, and the top cover of described liquid reserve tank is connected with described recirculatory pipe and its bottom is connected with described feed tube.
5. soil body osmotic coefficient measuring system according to claim 4, is characterized in that: described regulator is crane, and this crane is for regulating the height of described liquid reserve tank.
6. soil body osmotic coefficient measuring system according to claim 5, it is characterized in that: described feed flow subsystem also comprises: the feed flow storehouse being connected with described liquid reserve tank by run-down pipe and be arranged on the water pump being connected with described liquid reserve tank in described feed flow storehouse and by feed pipe, the height of the connectivity part of described feed pipe and described liquid reserve tank is less than the height of the connectivity part of described run-down pipe and described liquid reserve tank.
7. soil body osmotic coefficient measuring system according to claim 3, it is characterized in that: described head measurement mechanism respectively by the first measuring tube and the second measuring tube with described in fill out sample chamber and be connected, described the first measuring tube with described in fill out the connectivity part in sample chamber height be less than described the second measuring tube with described in fill out the height of the connectivity part in sample chamber.
8. according to the soil body osmotic coefficient measuring system described in any one in claim 1 to 7, it is characterized in that: described penetrating fluid is neutral solution, strong acid solution, strong base solution or is rich in the liquid of microorganism.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535413A (en) * | 2015-01-14 | 2015-04-22 | 中南大学 | Seepage field-temperature field simulation coupling material bin and TBM cutting test stand |
| CN105547955A (en) * | 2015-12-10 | 2016-05-04 | 桂林理工大学 | Obstruction testing method for soil permeability under constant flow velocity |
| CN105866001A (en) * | 2016-04-18 | 2016-08-17 | 三峡大学 | Device and method for measuring rock-soil body osmotic coefficient based on water-based fluorescent agent dilution method |
| CN106290100A (en) * | 2015-05-20 | 2017-01-04 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of soil body biology consolidates non-disturbance permeability and intensity detection assay device |
| CN107631972A (en) * | 2017-08-03 | 2018-01-26 | 同济大学 | The experimental system that a kind of graphene particles are permeated in GCL |
| CN108037055A (en) * | 2017-11-15 | 2018-05-15 | 同济大学 | Soil sample original state improves and permeance property test system |
| CN109406363A (en) * | 2018-10-18 | 2019-03-01 | 昆明理工大学 | A kind of silting experimental provision of tailings material and its geotextile |
| CN110702573A (en) * | 2019-09-30 | 2020-01-17 | 山东科技大学 | Darcy-like experimental device and using method |
| WO2020228230A1 (en) * | 2019-05-14 | 2020-11-19 | 浙江大学 | Indoor test apparatus for measuring seepage erosion characteristics of multilayer soil samples under in-situ pressure |
| CN114076725A (en) * | 2020-08-14 | 2022-02-22 | 必照岩土科技(南京)有限公司 | Stress field-temperature field coupled flexible wall soil column chemical infiltration device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737530A (en) * | 2005-08-01 | 2006-02-22 | 上海市政工程设计研究院 | Method for testing permeability coefficient and anti-pervasion gradient ratio |
| CN101738360A (en) * | 2009-10-16 | 2010-06-16 | 同济大学 | Time domain reflection unsaturated permeameter and method for measuring unsaturated permeability coefficient |
| CN201926607U (en) * | 2010-12-31 | 2011-08-10 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
| CN102221600A (en) * | 2011-06-03 | 2011-10-19 | 同济大学 | Expansion force and saturated permeation multifunctional tester |
| CN102980842A (en) * | 2012-12-11 | 2013-03-20 | 重庆交通大学 | System and method for testing anisotropy permeability coefficient of layered coarse-grained soil body |
| KR101307297B1 (en) * | 2012-05-31 | 2013-09-11 | 한국지질자원연구원 | Apparatus for measuring hydraulic properties of rock sample |
-
2014
- 2014-02-24 CN CN201410062647.7A patent/CN103868838B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737530A (en) * | 2005-08-01 | 2006-02-22 | 上海市政工程设计研究院 | Method for testing permeability coefficient and anti-pervasion gradient ratio |
| CN101738360A (en) * | 2009-10-16 | 2010-06-16 | 同济大学 | Time domain reflection unsaturated permeameter and method for measuring unsaturated permeability coefficient |
| CN201926607U (en) * | 2010-12-31 | 2011-08-10 | 中国水电顾问集团中南勘测设计研究院 | Seepage deformation tester |
| CN102221600A (en) * | 2011-06-03 | 2011-10-19 | 同济大学 | Expansion force and saturated permeation multifunctional tester |
| KR101307297B1 (en) * | 2012-05-31 | 2013-09-11 | 한국지질자원연구원 | Apparatus for measuring hydraulic properties of rock sample |
| CN102980842A (en) * | 2012-12-11 | 2013-03-20 | 重庆交通大学 | System and method for testing anisotropy permeability coefficient of layered coarse-grained soil body |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535413A (en) * | 2015-01-14 | 2015-04-22 | 中南大学 | Seepage field-temperature field simulation coupling material bin and TBM cutting test stand |
| CN106290100A (en) * | 2015-05-20 | 2017-01-04 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of soil body biology consolidates non-disturbance permeability and intensity detection assay device |
| CN106290100B (en) * | 2015-05-20 | 2018-12-25 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of soil body biology consolidates non-disturbance permeability and intensity detection experimental rig |
| CN105547955A (en) * | 2015-12-10 | 2016-05-04 | 桂林理工大学 | Obstruction testing method for soil permeability under constant flow velocity |
| CN105547955B (en) * | 2015-12-10 | 2018-05-08 | 桂林理工大学 | A kind of native permanent current speed infiltration blocking test method |
| CN105866001A (en) * | 2016-04-18 | 2016-08-17 | 三峡大学 | Device and method for measuring rock-soil body osmotic coefficient based on water-based fluorescent agent dilution method |
| CN105866001B (en) * | 2016-04-18 | 2018-08-07 | 三峡大学 | A kind of Rock And Soil osmotic coefficient investigating device and method based on water base fluorescer dilution method |
| CN107631972B (en) * | 2017-08-03 | 2019-09-27 | 同济大学 | A kind of experimental system that graphene particles are permeated in GCL |
| CN107631972A (en) * | 2017-08-03 | 2018-01-26 | 同济大学 | The experimental system that a kind of graphene particles are permeated in GCL |
| CN108037055A (en) * | 2017-11-15 | 2018-05-15 | 同济大学 | Soil sample original state improves and permeance property test system |
| CN109406363A (en) * | 2018-10-18 | 2019-03-01 | 昆明理工大学 | A kind of silting experimental provision of tailings material and its geotextile |
| WO2020228230A1 (en) * | 2019-05-14 | 2020-11-19 | 浙江大学 | Indoor test apparatus for measuring seepage erosion characteristics of multilayer soil samples under in-situ pressure |
| CN110702573A (en) * | 2019-09-30 | 2020-01-17 | 山东科技大学 | Darcy-like experimental device and using method |
| CN114076725A (en) * | 2020-08-14 | 2022-02-22 | 必照岩土科技(南京)有限公司 | Stress field-temperature field coupled flexible wall soil column chemical infiltration device and method |
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