CN110297017A - Soil body electrical parameter spatial and temporal distributions indoor test system and working method under Frozen-thawed cycled - Google Patents
Soil body electrical parameter spatial and temporal distributions indoor test system and working method under Frozen-thawed cycled Download PDFInfo
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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- G—PHYSICS
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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Abstract
Soil body electrical parameter spatial and temporal distributions indoor test system and working method under Frozen-thawed cycled of the present invention, including soil body molding machine and soil body test device；Wherein soil body test device includes: conductive sheet, and two panels conductive sheet is separately positioned on the both ends of soil body molding machine, is electrically connected between two panels conductive sheet by the first conducting wire；Conductive electrode, multiple conductive electrodes are electrically connected between multiple conductive electrodes by the second conducting wire out of the side wall of the soil body molding machine insertion soil body molding machine；Test suite, test suite are electrically connected with conductive sheet and conductive electrode.The present invention have it is following the utility model has the advantages that develop one kind the present invention is based on the test method of soil body electrical parameter can be under Frozen-thawed cycled effect, the soil body electrical parameter spatial and temporal distributions of different water cut, compactness can be carried out with the indoor system quickly tested, by parameters opening relationships such as resistivity, temperature and change in displacement that system measures, it can be used in the soil body physico-mechanical properties evaluation in later period.
Description
Technical field
The present invention relates to engineering geology fields, and in particular, to soil body electrical parameter spatial and temporal distributions room under a kind of Frozen-thawed cycled
Built-in test system and working method.
Background technique
In frost zone region, soil physico-mechanical properties under Frozen-thawed cycled effect can change, and existing
The disadvantages of soil body physical and mechanical parameter means of testing mainly passes through drill hole sampling laboratory experiment, and there is low efficiencys.And characterize soil
The soil resistivity of earth electric conductivity is research Soil Microstructure and physico-mechanical properties, Soil Corrosion, electric system
The important parameter of ground connection etc..
The prior art, Chinese invention patent " a kind of original position soil sample resistance rate measuring device " (publication number:
107765091A) soil in-situ resistivity is analyzed suitable for the fields such as petroleum, petrochemical industry, electric power, building.On the device includes:
Lid, insulating cylinder body, measuring electrode, lower cover, specific structure are as follows: upper cover is oppositely arranged up and down with lower cover, between upper cover and lower cover
Insulating cylinder body is set, and insulating cylinder body inner wall is opposed to inlay stainless steel measuring electrode.In use, setting auxiliary takes at the top of insulating cylinder body
Sample device, secondary sampler include down-pressed pole, support rod, pressure ring, are connected between down-pressed pole and pressure ring by support rod, sub-sampling
Device applies pressure to insulating cylinder body by pressure ring.The present invention may be implemented under the soil non-state of disturbance of soil layer resistivity to be measured
Accurate measurement, samples for original-state soil, and really reflects sample position soil resistivity.
But the prior art, under Frozen-thawed cycled operative condition, the measuring accuracy of soil resistivity is not high.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of Frozen-thawed cycleds for solving above-mentioned technical problem
Lower soil body electrical parameter spatial and temporal distributions indoor test system and working method.
In order to solve the above-mentioned technical problem, soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled of the present invention,
Including soil body molding machine and soil body test device；Wherein
Soil body test device includes:
Conductive sheet, two panels conductive sheet are separately positioned on the both ends of soil body molding machine, pass through first between two panels conductive sheet
Conducting wire electrical connection；
Conductive electrode, multiple conductive electrodes are out of the side wall of the soil body molding machine insertion soil body molding machine, multiple conductions
It is electrically connected between electrode by the second conducting wire；
Test suite, test suite are electrically connected with conductive sheet and conductive electrode.
Preferably, the diameter of conductive sheet is equal to the diameter of soil body molding machine.
Preferably, electrode hole is equipped on the side wall of soil body molding machine, multiple conductive electrodes are inserted into the soil body from electrode hole
In molding machine.
Preferably, electrode hole is evenly arranged along soil body molding machine circumferential direction.
Preferably, test suite includes electrical prospecting apparatus, displacement meter, thermometer and temperature control device；Wherein
Electrical prospecting apparatus is electrically connected with conductive sheet and conductive electrode respectively；
Displacement meter, thermometer and temperature control device are arranged on conductive sheet.
Preferably, soil body molding machine is insulation tube.
The working method of soil body electrical parameter spatial and temporal distributions indoor test system, includes the following steps: under a kind of Frozen-thawed cycled
Step 1, the compactness of soil sample in insulation tube is obtained；
Step 2, it penetrates into moisture in soil sample, obtains the moisture content of soil sample；
Step 3, spatial and temporal distributions, temperature value and the shift value of the electrical parameter of soil sample in insulation tube are obtained；
Step 4, change compactness and moisture content, return step 3.
Preferably, step 1 includes:
Step 1.1, the maximum dry density of soil sample is obtained；
Step 1.2, the dry density of soil sample is obtained；
Step 1.3, the compactness of soil sample in insulation tube is obtained；Wherein
Compactness is the ratio between dry density and maximum dry density.
Preferably, step 2 includes:
Step 2.1, enter moisture in insulation by the electrode hole on insulation tube；
Step 2.2, wrap film prevents water loss on the outside of insulation tube, and rolls once every two hours；
Step 2.3, the moisture content of soil sample is obtained.
Preferably, in step 3, to uniform moisture in soil sample, test device is accessed, progress freeze thawing in freeze thawing instrument is put into and follows
Ring, with the electrical parameter of four-electrode method measurement each layer of the soil body, obtains the electrical parameter spatial and temporal distributions of soil sample by converting measuring electrode, and
With the corresponding temperature of sensor measurement and displacement.
Compared with prior art, the present invention is with following the utility model has the advantages that according to the physics of the lower soil body of Frozen-thawed cycled effect
Mechanics parameter measuring technology at the scene there is low efficiency, it is at high cost the disadvantages of, and characterize the electric resistance of soil of soil conductivity performance
Rate is to study the important parameter of Soil Microstructure and physico-mechanical properties, Soil Corrosion, electric system ground connection etc., this hair
The bright test method based on soil body electrical parameter develop one kind can Frozen-thawed cycled effect under, can to different water cut,
The soil body electrical parameter spatial and temporal distributions of compactness carry out the indoor system quickly tested, can by resistivity that system measures, temperature and
The parameters opening relationships such as change in displacement can be used in the soil body physico-mechanical properties evaluation in later period.It sets up native under Frozen-thawed cycled
Fast testing system in the soil body electrical parameter spatial and temporal distributions room of body, is radiated current season permafrost region subgrade engineering, rail
The fields such as state verification, Performance Evaluation, the damage mechanism analysis of the engineerings under Frozen-thawed cycled such as road structure and large-scale slope protection, it is ensured that
Engineering risk is effectively reduced in its performance safety, has a very important significance to promoting China's engineering safety to construct.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is soil body electrical parameter spatial and temporal distributions indoor test system schematic under Frozen-thawed cycled of the present invention；
Fig. 2 be under Frozen-thawed cycled of the present invention soil sample resistivity-when m- displacement relation line chart；
Fig. 3 is soil sample resistivity-time-temperature relation line chart under Frozen-thawed cycled of the present invention；
Fig. 4 is soil sample resistivity-time-temperature relation cloud atlas under Frozen-thawed cycled of the present invention；
Fig. 5 be under Frozen-thawed cycled of the present invention soil sample resistivity-when m- displacement relation cloud atlas.
In figure:
1- insulation tube 2- conductive sheet 3- conductive electrode
4- the first conducting wire 5- the second conducting wire 6- electrical prospecting apparatus
7- power supply 8- displacement meter 9- thermometer
10- temperature control device
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled of the present invention, fills comprising soil sample
It sets, conductive component, temperature control device 10, displacement meter 8, thermometer 9 and electrical prospecting apparatus 6, power supply 7.Soil sample device includes transparent insulation
And the refined gram force pipe 1 of tube wall processing；Conductive component include conductive sheet 2 and conductive electrode 3, conductive sheet 2 have some strength and compared with
Thin, conductive electrode 3 has some strength and relatively thin short, can come into full contact with soil sample and undisturbed sample；At 2 both ends of conductive sheet
It arranges the sensors such as temperature control device 10 and displacement meter 8, inside soil body temperature is adjusted and realizes Frozen-thawed cycled and measures the position of the soil body
The variation such as shifting, temperature；Electrode hole (being also used as hole of soaking) is beaten in the processing of 1 tube wall of insulation tube, and the aperture of electrode hole should both guarantee electrode
It is inserted into soil sample, and forming sealing will not flow out soil sample and water；Electrical prospecting apparatus 6 is connected using four-electrode method.
Beat electrode hole in 1 tube wall of insulation tube, the diameter of electrode hole should ensure that electrode is inserted into soil sample, and soil sample and
Water is not easy to flow out, and is kept the temperature with sponge；The diameter of conductive sheet 2 should be almost the same with 1 internal diameter of insulation tube, both can guarantee loading
Also it can increase conductive sheet 2 and soil sample contact area in pipe as far as possible, stable current field is provided；The insertion depth of conductive electrode 3
And quantity should not be too large or too small, the sufficient current field of guarantee offer and undisturbed sample, and is evenly arranged along tube wall circumferential direction, respectively
Group electrode is evenly arranged along pipe axially spaced-apart is equal.Conducting wire and conductive sheet 2, conductive electrode 3 weld, specifically, the first conducting wire 4
Both ends are connect with the two panels conductive sheet 2 at 1 both ends of insulation tube respectively；The conducting wire for the conductive electrode 3 that every group of circumferential direction is evenly arranged merges
Cheng Yigen conducting wire, the both ends of the second conducting wire 5 are connected from every group of conductive electrode 3 respectively, can by change the second conducting wire 5 with it is each
The order of connection of group conductive electrode 3 realizes the electric parameter measurement of each layer soil body.
In the actual mechanical process for changing the soil body different compactness and moisture content, according to " geotechnological handbook " first by soil sample
After pulverizing simultaneously complete drying and processing, part soil sample should be first taken to measure maximum dry density with vibration compaction test device.It is weighed before soil sample tubulature
The weight of insulation tube 1 and the weight of conductive sheet 2 measure pipe, conductive sheet 2 and the total recast difference of soil sample and obtain soil weight, passes through after tubulature
1 internal diameter of insulation tube obtains the volume of pipe, and soil sample dry density is calculated, and the ratio between dry density and maximum dry density are compactness.Its
Water Content Tests in Soil Samples is dried in secondary change pipe completely and rolls wet towel or sponge by the way of package wet towel perhaps sponge,
Immerse uniform moisture in tube wall electrode hole.Preferably, testing water used is pure water.On the other hand, it rolls every time to fix
Number is enclosed, tube wall is then wiped and weighs and immerse water weight, obtain Water Content Tests in Soil Samples.Preferably, to be distributed in uniform moisture in soil sample,
It is horizontally arranged acrylic pipe along tube axis direction, the even power stranding of pipe is wrapped up with the wet towel for being impregnated with pure water and rolls three circles, so that moisture
Uniformly enter from pipe tap, insulation tube 1 stands 12 hours, and the quiescent period rolled primary every two hours.It preferably, is anti-
Sealing divides Influence of Evaporation Water Content Tests in Soil Samples, and applied film wraps up insulation tube 1 after adding the water, general to select preservative film.It is preferred that
Ground, the present invention can change Water Content Tests in Soil Samples by the setting soil sample compactness of transparent insulation pipe 1 and tube wall electrode hole, another
Aspect is based on soil body electrical parameter calculation formula, makes accurate measurement to two groups of 3 distances of conductive electrode among insulation tube 1 to count
Calculate resistivity.
Preferred embodiment
Electrical prospecting apparatus 6 connect measurement soil sample electrical parameter using four-electrode method with measuring device, and arrangement is as shown in Figure 1, consider
The method that temperature control device 10 adjusts temperature, 1 length of insulation tube is unsuitable too long, and diameter should not be too large, and diameter is about two points of overall length
One of, diameter 40mm in this example, overall length 76mm, to guarantee under compacted soil samples and Frozen-thawed cycled effect without keeping insulation tube 1 broken,
Tube wall should have certain thickness, thickness of pipe wall 10mm in this example.Conductive sheet 2 uses copper sheet in this example, and conductive electrode 3 uses thin copper
Stick, copper sheet and copper rod have some strength, easily enter in soil sample and electric conductivity be good, this example using diameter 40mm with a thickness of
1mm copper sheet and diameter 1mm length 15mm copper rod.Experiment is added water and uses pure water, and excluding conductive ion influences.To keep moisture equal
It is even to be distributed in soil sample, it is horizontally arranged insulation tube 1 along tube axis direction, the even power stranding of pipe is wrapped up with the wet towel for being impregnated with pure water and rolls
Three circles, wet towel should wrap up insulation tube 1 enough, use the good towel of water imbibition, length 700mm, width 240mm in this example.This
Electrical prospecting apparatus 6 used in example is multi-functional electric device 6, voltage measurement range ± 6V, voltage measurement accuracy ± 1%, current measuring range
0-5A, current measurement precision ± 10%, polarizability measurement accuracy ± 1%.
Specifically: electrical prospecting apparatus 6 is connect measurement soil sample electrical parameter, arrangement such as Fig. 1 using four-electrode method with measuring device
Shown, with time change, temperature control device 10 makes the soil body enter Frozen-thawed cycled state, measures two groups of conductive electrodes 3 by changing
Position, realize the electric parameter measurement of each layer soil sample, and carry out one group of measurement at regular intervals, including electrical parameter, displacement
It is measured with parameters, the spatial and temporal distributions of realization soil body electrical parameter such as temperature；Frozen-thawed cycled measure after, change soil compaction degree and
Moisture content repeats above step.
After acquiring data, the lower soil body different electrical parameter values, shift value and temperature value are acted on according to Frozen-thawed cycled, is established
Soil sample electrical parameter and time, displacement and temperature relation line chart and cloud atlas, as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. soil body electrical parameter spatial and temporal distributions indoor test system under a kind of Frozen-thawed cycled, which is characterized in that form and fill including the soil body
It sets and soil body test device；Wherein
Soil body test device includes:
Conductive sheet, two panels conductive sheet are separately positioned on the both ends of soil body molding machine, pass through the first conducting wire between two panels conductive sheet
Electrical connection；
Conductive electrode, multiple conductive electrodes are out of the side wall of the soil body molding machine insertion soil body molding machine, multiple conductive electrodes
Between by the second conducting wire be electrically connected；
Test suite, test suite are electrically connected with conductive sheet and conductive electrode.
2. soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 1, which is characterized in that
The diameter of conductive sheet is equal to the diameter of soil body molding machine.
3. soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 2, which is characterized in that
Electrode hole is equipped on the side wall of soil body molding machine, multiple conductive electrodes are out of electrode hole insertion soil body molding machine.
4. soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 3, which is characterized in that
Electrode hole is evenly arranged along soil body molding machine circumferential direction.
5. soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 1, which is characterized in that
Test suite includes electrical prospecting apparatus, displacement meter, thermometer and temperature control device；Wherein
Electrical prospecting apparatus is electrically connected with conductive sheet and conductive electrode respectively；
Displacement meter, thermometer and temperature control device are arranged on conductive sheet.
6. soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 1, which is characterized in that
Soil body molding machine is insulation tube.
7. the working method of soil body electrical parameter spatial and temporal distributions indoor test system under a kind of Frozen-thawed cycled, which is characterized in that including
Following steps:
Step 1, the compactness of soil sample in insulation tube is obtained；
Step 2, it penetrates into moisture in soil sample, obtains the moisture content of soil sample；
Step 3, spatial and temporal distributions, temperature value and the shift value of the electrical parameter of soil sample in insulation tube are obtained；
Step 4, change compactness and moisture content, return step 3.
8. the working method of soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 7,
It is characterized in that, step 1 includes:
Step 1.1, the maximum dry density of soil sample is obtained；
Step 1.2, the dry density of soil sample is obtained；
Step 1.3, the compactness of soil sample in insulation tube is obtained；Wherein
Compactness is the ratio between dry density and maximum dry density.
9. the working method of soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 8,
It is characterized in that, step 2 includes:
Step 2.1, enter moisture in insulation by the electrode hole on insulation tube；
Step 2.2, wrap film prevents water loss on the outside of insulation tube, and rolls once every two hours；
Step 2.3, the moisture content of soil sample is obtained.
10. the working method of soil body electrical parameter spatial and temporal distributions indoor test system under Frozen-thawed cycled according to claim 9,
It is characterized in that, to uniform moisture in soil sample, accessing test device in step 3, being put into freeze thawing instrument and carry out Frozen-thawed cycled, lead to
Transformation measuring electrode is crossed, with the electrical parameter of four-electrode method measurement each layer of the soil body, obtains the electrical parameter spatial and temporal distributions of soil sample, and with sensing
Device measures corresponding temperature and displacement.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610103A (en) * | 2020-05-18 | 2020-09-01 | 上海交通大学 | Triaxial experiment soil body electrical parameter space-time distribution testing device and method |
| CN112748146A (en) * | 2020-12-24 | 2021-05-04 | 黄河勘测规划设计研究院有限公司 | Freeze-thaw cycle experimental device capable of considering stress and moisture content coupling |
| CN113671155A (en) * | 2021-08-24 | 2021-11-19 | 上海交通大学 | Side slope rock-soil body electrical parameter spatial and temporal evolution test system and method |
| CN114527164A (en) * | 2022-02-16 | 2022-05-24 | 江苏科技大学 | Resistivity testing device and method of anisotropic soil sample based on direct shear test |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ2010286A3 (en) * | 2010-04-13 | 2011-10-26 | Výzkumný útav vodohospodárský T.G.Masaryka, v.v.i. | Electronic soil freeze meter |
| CN102621190A (en) * | 2012-03-23 | 2012-08-01 | 山东大学 | Soil body sample compressing consolidation and resistivity real-time imaging monitoring device and soil sampler thereof |
| CN202486125U (en) * | 2012-01-05 | 2012-10-10 | 中国科学院寒区旱区环境与工程研究所 | Experimental device for indoor frozen soil freezing and thawing circulation process |
| CN102854384A (en) * | 2011-06-30 | 2013-01-02 | 中国科学院寒区旱区环境与工程研究所 | Device for measuring temperature and resistivity distribution in phase-changing process in frozen soil test |
| CN104777361A (en) * | 2015-03-12 | 2015-07-15 | 东南大学 | Soil resistivity measuring device capable of controlling temperature |
| CN204789419U (en) * | 2015-07-24 | 2015-11-18 | 东北林业大学 | Frozen soil is frozen swelling to be melted and sinks test device based on labview dynamic data gathers |
| CN106546711A (en) * | 2017-01-17 | 2017-03-29 | 西安科技大学 | The relational model construction method of frozen soil resistivity and temperature and content of unfrozen water in frozen earth |
| CN106771082A (en) * | 2017-01-17 | 2017-05-31 | 西安科技大学 | Content of unfrozen water in frozen earth detecting system and method based on soil body change in resistance |
| CN107228884A (en) * | 2017-06-09 | 2017-10-03 | 中国地质大学（武汉） | The laboratory testing rig and method of a kind of multi-electrode test soil body resistivity |
| CN207036750U (en) * | 2017-08-02 | 2018-02-23 | 王芳 | Ground resistance record cylinder |
| CN109521057A (en) * | 2018-10-17 | 2019-03-26 | 上海交通大学 | Detection device and its working method in soil body physical parameter room |
| CN109799264A (en) * | 2019-02-26 | 2019-05-24 | 东南大学 | For studying the device of frozen soil thaw collapse and resistivity response under various working |
-
2019
- 2019-07-05 CN CN201910604975.8A patent/CN110297017A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ2010286A3 (en) * | 2010-04-13 | 2011-10-26 | Výzkumný útav vodohospodárský T.G.Masaryka, v.v.i. | Electronic soil freeze meter |
| CN102854384A (en) * | 2011-06-30 | 2013-01-02 | 中国科学院寒区旱区环境与工程研究所 | Device for measuring temperature and resistivity distribution in phase-changing process in frozen soil test |
| CN202486125U (en) * | 2012-01-05 | 2012-10-10 | 中国科学院寒区旱区环境与工程研究所 | Experimental device for indoor frozen soil freezing and thawing circulation process |
| CN102621190A (en) * | 2012-03-23 | 2012-08-01 | 山东大学 | Soil body sample compressing consolidation and resistivity real-time imaging monitoring device and soil sampler thereof |
| CN104777361A (en) * | 2015-03-12 | 2015-07-15 | 东南大学 | Soil resistivity measuring device capable of controlling temperature |
| CN204789419U (en) * | 2015-07-24 | 2015-11-18 | 东北林业大学 | Frozen soil is frozen swelling to be melted and sinks test device based on labview dynamic data gathers |
| CN106546711A (en) * | 2017-01-17 | 2017-03-29 | 西安科技大学 | The relational model construction method of frozen soil resistivity and temperature and content of unfrozen water in frozen earth |
| CN106771082A (en) * | 2017-01-17 | 2017-05-31 | 西安科技大学 | Content of unfrozen water in frozen earth detecting system and method based on soil body change in resistance |
| CN107228884A (en) * | 2017-06-09 | 2017-10-03 | 中国地质大学（武汉） | The laboratory testing rig and method of a kind of multi-electrode test soil body resistivity |
| CN207036750U (en) * | 2017-08-02 | 2018-02-23 | 王芳 | Ground resistance record cylinder |
| CN109521057A (en) * | 2018-10-17 | 2019-03-26 | 上海交通大学 | Detection device and its working method in soil body physical parameter room |
| CN109799264A (en) * | 2019-02-26 | 2019-05-24 | 东南大学 | For studying the device of frozen soil thaw collapse and resistivity response under various working |
Non-Patent Citations (2)
| Title |
|---|
| 付伟: "单轴压缩与冻融作用下粉质粘土电阻率特性试验研究", 《中国博士学位论文全文数据库 工程科技II辑》 * |
| 宋文宇: "冻土冻融过程水热迁移特性的数值模拟及实验研究", 《中国博士学位论文全文数据库 工程科技II辑》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610103A (en) * | 2020-05-18 | 2020-09-01 | 上海交通大学 | Triaxial experiment soil body electrical parameter space-time distribution testing device and method |
| CN112748146A (en) * | 2020-12-24 | 2021-05-04 | 黄河勘测规划设计研究院有限公司 | Freeze-thaw cycle experimental device capable of considering stress and moisture content coupling |
| CN112748146B (en) * | 2020-12-24 | 2023-09-19 | 黄河勘测规划设计研究院有限公司 | Freezing and thawing cycle experimental device capable of considering stress and water content coupling |
| CN113671155A (en) * | 2021-08-24 | 2021-11-19 | 上海交通大学 | Side slope rock-soil body electrical parameter spatial and temporal evolution test system and method |
| CN113671155B (en) * | 2021-08-24 | 2023-02-17 | 上海交通大学 | Side slope rock-soil body electrical parameter spatial and temporal evolution test system and method |
| CN114527164A (en) * | 2022-02-16 | 2022-05-24 | 江苏科技大学 | Resistivity testing device and method of anisotropic soil sample based on direct shear test |
| CN114527164B (en) * | 2022-02-16 | 2024-02-27 | 江苏科技大学 | Device and method for testing resistivity of anisotropic soil sample based on direct shear test |
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