CN206192785U - Native seepage flow of saturation and creep coupling triaxial test device - Google Patents
Native seepage flow of saturation and creep coupling triaxial test device Download PDFInfo
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- CN206192785U CN206192785U CN201621308504.0U CN201621308504U CN206192785U CN 206192785 U CN206192785 U CN 206192785U CN 201621308504 U CN201621308504 U CN 201621308504U CN 206192785 U CN206192785 U CN 206192785U
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Abstract
The utility model relates to a native seepage flow of saturation and creep coupling triaxial test device, the confined pressure becomes measuring unit, axle load applying unit and osmotic pressure applying unit with the body and links to each other with two pressure chambers respectively, applys confined pressure, axle power and the osmotic pressure of settlement to the soil sample. It is continuous in two pressure chambers respectively that the confined pressure and the body become measuring unit, axial displacement sensor, seepage discharge measuring unit and pore water pressure sensor, to volume change, axial displacement, seepage discharge and the pore water pressure real -time measurement of soil sample test in -process. Coupling through different stress path is experimental, and can revea seepage flow influences law, the hole interact mechanism than relation, seepage flow and soil body creep with the osmotic coefficient to soil deformation's influence law, soil deformation to the osmotic coefficient.
Description
Technical field
The utility model is related to soil test field, more particularly to a kind of saturated soil seepage flow to be tested with creep coupled three-shaft
Device.
Background technology
During retaining and operation, water prolonged and repeated significantly fluctuation in storehouse exacerbates the hair of reservoir bank landslide disaster to reservoir
It is raw.There is Monitoring Data to show with reservoir level periodicity fluctuation, slip mass underground water is in therewith cyclical upturn and downturn, landslide displacement deformation
Speed increases with Drawdown of Reservoir Water Level, rises with reservoir level and reduces；In reservoir level and stability of groundwater level constant period, landslide
Deformation is still persistently slowly increased.Illustrate Landslide Deformation evolution not only with reservoir level change produce seepage field it is relevant, also with
Creep effect is relevant.But seepage flow influences each other with creep again, seepage field generation stress field, stress field makes the soil body produce creep,
The deformation of the soil body influences seepage field again in turn.So reservoir landslide deformation mechanism is sufficiently complex, but from studying data at home and abroad
From the point of view of, seepage flow and creep coupling effect during reservoir landslide dynamical evolution are not yet caused concern so far.
Currently, many scholars have done substantial amounts of grinding individually for seepage through soil mass and soil body creep test and theory both at home and abroad
Study carefully, but almost few scholars notice seepage through soil mass and creep coupling effect.To disclose seepage through soil mass and creep coupling effect,
Seepage flow should be carried out first to be studied with creep coupling test, seepage flow and creep interaction mechanism are disclosed by testing, set up seepage flow
With the seepage through soil mass under creep mathematical model coupling, and then development seepage flow and creep coupling, stress field and displacement field meter
Point counting is analysed.However, do not find the testing equipment that seepage through soil mass is coupled with creep also on the market at present, therefore, the utility model grinds
A kind of saturated soil seepage flow and creep coupled three-shaft experimental rig and its test method are sent out.
Utility model content
The technical problem solved needed for the utility model is to provide a kind of saturated soil seepage flow creep coupling test device, can be with
Carry out saturated soil seepage flow and creep test simultaneously, there is provided a kind of saturated soil seepage flow creep coupling test method.
In order to solve the above-mentioned technical problem, the utility model proposes following technical scheme：A kind of saturated soil seepage flow and creep
Coupled three-shaft experimental rig, it is characterised in that：It includes that confined pressure and body become measuring unit, axle pressure applying unit, axial displacement and pass
Sensor, osmotic pressure applying unit, seepage flow phasor measurement unit, double balancing gate pits, pore water pressure sensor, data acquisition unit, confession
Water unit and air supply unit.
The confined pressure and body become measuring unit, axle pressure applying unit and osmotic pressure applying unit respectively with double balancing gate pit's phases
Even, confined pressure, axle power and the osmotic pressure of setting are applied to soil sample.
The confined pressure and body become measuring unit, shaft position sensor, seepage flow phasor measurement unit and pore water pressure sensing
Device is connected respectively at double balancing gate pits, to the Volume Changes during soil sample test, axial displacement, seepage discharge and pore water pressure reality
When measure.
The confined pressure and body become measuring unit, axial displacement measuring unit, seepage flow phasor measurement unit and pore water pressure and pass
Sensor is connected respectively at data acquisition unit, to sample Volume Changes, axial displacement, seepage discharge and pore water pressure in process of the test
Force value carries out Real-time Collection.
The water supplying unit is connected with double balancing gate pits and osmotic pressure applying unit respectively, and water source is provided to it.
The air supply unit becomes single measurement, osmotic pressure applying unit and water supplying unit and is connected with confined pressure and body respectively, to it
Air pressure is provided.
The often connection confined pressure and body become measuring unit includes water injection pipe, and the bottom of the water injection pipe is connected with the second threeway
Pipe, the another two outlet of second three-way pipe is connected to the first triple valve and the second triple valve, first three-way pipe
Another two outlet be connected to wide range confined pressure pipe and the second triple valve, the another two outlet difference of second triple valve
It is connected with the second triple valve and small-range confined pressure pipe, another of second triple valve is exported and the first differential pressure pickup phase
Even, the bottom of the wide range confined pressure pipe is connected with the first three-way pipe simultaneously, the another two outlet difference of first three-way pipe
It is connected with the first differential pressure pickup and the first pressure regulator valve.
Described often connection osmotic pressure applying unit includes small water tank, the second pressure regulator valve, the 4th triple valve, the 5th triple valve；
4th triple valve is connected with small water tank, the second pressure regulator valve and air adjusts osmotic pressure respectively.
The often connection seepage flow phasor measurement unit includes the second differential pressure pickup, reference pipe and the 6th triple valve；Described second
Differential pressure pickup is connected with reference to pipe and the 6th triple valve simultaneously, and the 6th triple valve is connected with pore water pressure sensor.
Described pair of balancing gate pit includes double balancing gate pit mistress, double balancing gate pit's interior rooms, sample cap, base, confined pressure gas input pipe, row
Stomata, permeable stone, drainpipe, infiltration pressure pipe and confined pressure input pipe；The base is located at double balancing gate pits interior room center, and and draining
Pipe is connected, and sample cap is located at sample top and is connected with infiltration pressure pipe, and confined pressure input pipe is connected with double balancing gate pit's interior room bottoms, exhaust
Kong Yushuan balancing gate pits interior room top connection, confined pressure gas input pipe is connected with double balancing gate pit mistress top.
The data acquisition unit includes data collecting instrument and computer；The data collecting instrument includes that an input is logical
Road, No. two input channels, No. three input channels, No. four input channels and output channels；The input channel respectively with axial position
Displacement sensor, the first differential pressure pickup, the second differential pressure pickup are connected with pore water pressure sensor, output channel and computer
It is connected.
The utility model has the advantages that：
A kind of saturated soil three axis creep test instrument that the utility model is provided, sample cap can be controlled by permeating pressure pipe with a set of
The pipeline of osmotic pressure processed is connected, so as to reach the purpose of seepage flow.Base runs in water pipe and pore water pressure sensor and seepage flow
Phasor measurement unit is connected, so as to measure the pore water pressure of seepage discharge and sample bottom of the sample in seepage flow creep coupling process
Power.Sample balancing gate pit, using double balancing gate pits interior room, is double-deck plexiglass cylinder, and double balancing gate pit's interior rooms fill air free water, confined pressure
Become measuring unit with body and confined pressure is applied to sample by confined pressure input pipe, confined pressure and body become measuring unit and pass through confined pressure gas input pipe
To the gas of the confined pressure values such as double pressure indoor mistress applying, with the error that the deformation for eliminating interior room is produced to the measurement of body variate.Sample
Cap groove is contacted with transmission rod, and transmission rod is contacted with the pressure screw on load frame, and axle is applied to sample by placing counterweight
To pressure, sealed with "O"-ring between transmission rod and balancing gate pit.
Compared with prior art, advantage of the present utility model：1. seepage flow can be realized by applying osmotic pressure, so that
Saturated soil seepage flow creep coupling test can be carried out；2. simple structure, is easy to operation.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is pressure chamber structure schematic diagram in the utility model.
In figure：Confined pressure and body become measuring unit 1, axle pressure applying unit 2, shaft position sensor 3, osmotic pressure applying unit
4th, seepage flow phasor measurement unit 5, double balancing gate pits 6, pore water pressure sensor 7, data acquisition unit 8, water supplying unit 9, supply are single
Unit 10；
Water injection pipe 1.1, wide range confined pressure pipe 1.2, small-range confined pressure pipe 1.3, the first differential pressure pickup 1.4, the first pressure regulation
Valve 1.5, the first three-way pipe 1.6, the second three-way pipe 1.7, the first triple valve 1.8, the second triple valve 1.9, the 3rd triple valve 1.10；
Small water tank 4.1, the second pressure regulator valve 4.2, triple valve 4.3, the 5th triple valve 4.4；
Second differential pressure pickup 5.1, reference pipe 5.2, the 6th triple valve 5.3；
Double balancing gate pit mistress 6.1, double balancing gate pit's interior rooms 6.2, sample cap 6.3, base 6.4, confined pressure gas input pipe 6.5, row
Stomata 6.6, permeable stone 6.7, drainpipe 6.8, infiltration pressure pipe 6.9, confined pressure input pipe 6.10；
Data collecting instrument 8.1, the input of the input channel 8.11, two of a computer 8.2, input channel 8.12, three are logical
Road 8.13, four input channel 8.14, output channel 8.15.
Specific embodiment
Implementation method of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in Figure 1-2, a kind of saturated soil seepage flow and creep coupled three-shaft experimental rig, it is characterised in that：It includes enclosing
Pressure and body become measuring unit 1, axle pressure applying unit 2, shaft position sensor 3, osmotic pressure applying unit 4, seepage flow measurement list
Unit 5, double balancing gate pits 6, pore water pressure sensor 7, data acquisition unit 8, water supplying unit 9 and air supply unit 10.
Further, the confined pressure and body become measuring unit 1, axle pressure applying unit 2 and osmotic pressure applying unit 4 respectively with
Double balancing gate pits 6 are connected, and confined pressure, axle power and the osmotic pressure of setting are applied to soil sample 0.
Further, the confined pressure and body become measuring unit 1, shaft position sensor 3, seepage flow phasor measurement unit 5 and hole
Gap water pressure sensor 7 is connected respectively at double balancing gate pits 6, to Volume Changes, axial displacement, seepage flow in the process of the test of soil sample 0
Amount and pore water pressure are measured in real time.
Further, the confined pressure and body become measuring unit 1, axial displacement measuring unit 3, the and of seepage flow phasor measurement unit 5
Pore water pressure sensor 7 is connected respectively at data acquisition unit 8, to sample Volume Changes, axial displacement in process of the test, is oozed
Flow and pore water pressure force value carry out Real-time Collection.
Further, the water supplying unit 9 is connected with double balancing gate pits 6 and osmotic pressure applying unit 4 respectively, and water is provided to it
Source.
Further, the air supply unit 10 becomes measurement single 1, osmotic pressure applying unit 4 and supplies water with confined pressure and body respectively
Unit 9 is connected, and air pressure is provided to it.
Further, the often connection confined pressure and body become measuring unit 1 includes water injection pipe 1.1, the bottom of the water injection pipe 1.1
It is connected with the second three-way pipe 1.7, the another two outlet of second three-way pipe 1.7 is connected to the first triple valve 1.8 and the
Two triple valves 1.10, the another two outlet of first three-way pipe 1.8 is connected to wide range confined pressure pipe 1.2 and the second threeway
Valve 1.9, the another two outlet of second triple valve 1.10 is connected with the second triple valve 1.9 and small-range confined pressure pipe 1.3 respectively,
Another outlet of second triple valve 1.9 is connected with the first differential pressure pickup 1.4, the bottom of the wide range confined pressure pipe 1.2
End is connected with the first three-way pipe 1.6 simultaneously, the another two of first three-way pipe 1.6 export respectively with the first differential pressure pickup
1.4 are connected with the first pressure regulator valve 1.5.
Further, described often connection osmotic pressure applying unit 4 includes small water tank 4.1, the second pressure regulator valve the 4.2, the 4th 3
Port valve 4.3, the 5th triple valve 4.4；4th triple valve 4.3 respectively with small water tank 4.1, the second pressure regulator valve 4.2 and big gas phase
Even adjust osmotic pressure.
Further, the often connection seepage flow phasor measurement unit 5 includes the second differential pressure pickup 5.1, reference pipe 5.2 and the 6th
Triple valve 5.3；Second differential pressure pickup 5.1 is connected with reference to the triple valve 5.3 of pipe 5.2 and the 6th simultaneously, and the described 6th 3
Port valve 5.3 is connected with pore water pressure sensor 7.
Further, the described pair of balancing gate pit 6 include double balancing gate pit mistress 6.1, double balancing gate pit's interior rooms 6.2, sample cap 6.3,
Base 6.4, confined pressure gas input pipe 6.5, steam vent 6.6, permeable stone 6.7, drainpipe 6.8, infiltration pressure pipe 6.9 and confined pressure input pipe
6.10；The base 6.4 is located at the center of double balancing gate pits interior room 6.2, and is connected with drainpipe 6.8, and sample cap 6.3 is located at sample 0
Top is connected with infiltration pressure pipe 6.9, and confined pressure input pipe 6.10 is connected with double bottoms of balancing gate pit's interior room 6.2, steam vent 6.6 and double pressures
The top of room 6.2 connection in power room, confined pressure gas input pipe 6.5 is connected with the top of double balancing gate pit mistress 6.1.
Further, the data acquisition unit 8 includes data collecting instrument 8.1 and computer 8.2；The data collecting instrument
8.1 include 8.13, No. four and of input channel 8.14 of an input channel of input channel 8.12, three of input channel 8.11, two
Output channel 8.15；The input channel respectively with shaft position sensor 3, the first differential pressure pickup 1.4, the second pressure difference sensing
Device 5.1 is connected with pore water pressure sensor 7, and output channel 8.15 is connected with computer 8.2.
Device concrete operating principle of the present utility model is：
Sample step is as follows：
1st, sample is prepared：Sample 0 is prepared according to soil test standard；
2nd, sample is filled：
1）Get out sample 0；
2）Examination is placed on permeable stone 6.11, and permeable stone 6.7 is put at the top of sample；
3）Rubber membrane is covered to sample, and lower end is tied with rubber band；
4）Sample cap 6.3 is laid, upper end is tied with rubber band；
5）Balancing gate pit's cover is installed；
3rd, tested using computer：
1）The 5th triple valve 4.4 is closed, confined pressure pipe range is selected by the second triple valve 1.9, adjust the first pressure regulator valve 1.5
Apply the air pressure and confined pressure of 5kPa to double balancing gate pit mistress 6.1 and double balancing gate pits interior room 6.2 respectively, treat that sample deformation and draining are steady
Corresponding numerical value is recorded after fixed, and is to deform the zero point with draining with them；
2）Apply first order confined pressure, until deformation and draining stabilization；
3）The 5th triple valve 4.4 is opened, the second pressure regulator valve 4.2 applies first order osmotic pressure, and osmotic pressure value should be less than now
Confined pressure value, until sample deformation speed is less than predetermined value；
4）Apply next stage confined pressure and osmotic pressure, repeat 2 and 3 and operate；
5）After terminating experiment, data are stored, remove sample；
By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought
In the range of, carry out various changes and amendments all within protection domain of the present utility model.It is of the present utility model not most
Matters, belong to the common knowledge of those skilled in the art.
Claims (6)
1. a kind of saturated soil seepage flow and creep coupled three-shaft experimental rig, it is characterised in that：It is single that it includes that confined pressure and body become measurement
Unit（1）, axle pressure applying unit（2）, shaft position sensor（3）, osmotic pressure applying unit（4）, seepage flow phasor measurement unit（5）、
Double balancing gate pits（6）, pore water pressure sensor（7）, data acquisition unit（8）, water supplying unit（9）And air supply unit（10）；
The confined pressure and body become measuring unit（1）, axle pressure applying unit（2）With osmotic pressure applying unit（4）Respectively with double pressure
Room（6）It is connected, to soil sample（0）Apply confined pressure, axle power and the osmotic pressure of setting；
The confined pressure and body become measuring unit（1）, shaft position sensor（3）, seepage flow phasor measurement unit（5）And pore water pressure
Sensor（7）Respectively at double balancing gate pits（6）It is connected, to soil sample（0）Volume Changes, axial displacement in process of the test, seepage discharge
Measured in real time with pore water pressure；
The confined pressure and body become measuring unit（1）, shaft position sensor（3）, seepage flow phasor measurement unit（5）And pore water pressure
Sensor（7）Respectively at data acquisition unit（8）Connection, to sample Volume Changes in process of the test, axial displacement, seepage discharge and
Pore water pressure force value carries out Real-time Collection；
The water supplying unit（9）Respectively with double balancing gate pits（6）With osmotic pressure applying unit（4）It is connected, water source is provided to it；
The air supply unit（10）Become measuring unit with confined pressure and body respectively（1）, osmotic pressure applying unit（4）And water supplying unit
（9）It is connected, air pressure is provided to it.
2. a kind of saturated soil seepage flow according to claim 1 and creep coupled three-shaft experimental rig, it is characterised in that：It is described
Often connection confined pressure and body become measuring unit（1）Including water injection pipe（1.1）, the water injection pipe（1.1）Bottom be connected with the second threeway
Pipe（1.7）, second three-way pipe（1.7）Another two outlet be connected to the first triple valve（1.8）With the second triple valve
（1.10）, first triple valve（1.8）Another two outlet be connected to wide range confined pressure pipe（1.2）With the second triple valve
（1.9）, second triple valve（1.10）Another two outlet respectively with the second triple valve（1.9）With small-range confined pressure pipe
（1.3）It is connected, second triple valve（1.9）Another outlet with the first differential pressure pickup（1.4）It is connected, the wide range
Confined pressure pipe（1.2）Bottom simultaneously with the first three-way pipe（1.6）It is connected, first three-way pipe（1.6）Another two outlet point
Not with the first differential pressure pickup（1.4）With the first pressure regulator valve（1.5）It is connected.
3. a kind of saturated soil seepage flow according to claim 1 and creep coupled three-shaft experimental rig, it is characterised in that：It is described
Often connection osmotic pressure applying unit（4）Including small water tank（4.1）, the second pressure regulator valve（4.2）, the 4th triple valve（4.3）, the five or three
Port valve（4.4）；4th triple valve（4.3）Respectively with small water tank（4.1）, the second pressure regulator valve（4.2）Be connected regulation with air
Osmotic pressure.
4. a kind of saturated soil seepage flow according to claim 1 and creep coupled three-shaft experimental rig, it is characterised in that：It is described
Often join seepage flow phasor measurement unit（5）Including the second differential pressure pickup（5.1）, with reference to pipe（5.2）With the 6th triple valve（5.3）；Institute
State the second differential pressure pickup（5.1）Managed with reference simultaneously（5.2）With the 6th triple valve（5.3）It is connected, the 6th triple valve
（5.3）With pore water pressure sensor（7）It is connected.
5. a kind of saturated soil seepage flow according to claim 1 and creep coupled three-shaft experimental rig, it is characterised in that：It is described
Double balancing gate pits（6）Including double balancing gate pit mistress（6.1）, double balancing gate pit's interior rooms（6.2）, sample cap（6.3）, base（6.4）, confined pressure
Gas input pipe（6.5）, steam vent（6.6）, permeable stone（6.7）, drainpipe（6.8）, infiltration pressure pipe（6.9）With confined pressure input pipe
（6.10）；The base（6.4）Positioned at double balancing gate pit's interior rooms（6.2）Center, and and drainpipe（6.8）It is connected, sample cap（6.3）
Positioned at soil sample（0）Top and infiltration pressure pipe（6.9）It is connected, confined pressure input pipe（6.10）With double balancing gate pit's interior rooms（6.2）Bottom connects
It is logical, steam vent（6.6）With double balancing gate pit's interior rooms（6.2）Top connects, confined pressure gas input pipe（6.5）With double balancing gate pit mistress
（6.1）Top connects.
6. a kind of saturated soil seepage flow according to claim 1 and creep coupled three-shaft experimental rig, it is characterised in that：It is described
Data acquisition unit（8）Including data collecting instrument（8.1）And computer（8.2）；The data collecting instrument（8.1）It is defeated including No. one
Enter passage（8.11）, No. two input channels（8.12）, No. three input channels（8.13）, No. four input channels（8.14）It is logical with output
Road（8.15）；The input channel respectively with shaft position sensor（3）, the first differential pressure pickup（1.4）, the second pressure difference sensing
Device（5.1）And pore water pressure sensor（7）It is connected, output channel（8.15）With computer（8.2）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308504.0U CN206192785U (en) | 2016-12-01 | 2016-12-01 | Native seepage flow of saturation and creep coupling triaxial test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621308504.0U CN206192785U (en) | 2016-12-01 | 2016-12-01 | Native seepage flow of saturation and creep coupling triaxial test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192785U true CN206192785U (en) | 2017-05-24 |
Family
ID=58723310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621308504.0U Expired - Fee Related CN206192785U (en) | 2016-12-01 | 2016-12-01 | Native seepage flow of saturation and creep coupling triaxial test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192785U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957388A (en) * | 2017-10-27 | 2018-04-24 | 东南大学 | Original state saturated soil and the seepage flow of conditioned soil-creep combined test device and method |
| CN108007786A (en) * | 2017-12-29 | 2018-05-08 | 成都东华卓越科技有限公司 | A kind of double pressure room and ectosome become measuring system |
| CN108007787A (en) * | 2017-12-29 | 2018-05-08 | 中国科学院武汉岩土力学研究所 | Balancing gate pit and sound state triaxial test system |
| CN108680480A (en) * | 2018-04-18 | 2018-10-19 | 同济大学 | A kind of unsaturation coarse-grained soil permeameter and its test method |
| CN110608953A (en) * | 2019-10-18 | 2019-12-24 | 中铁第一勘察设计院集团有限公司 | Triaxial test soil unit central position pore water pressure test system |
| CN111024577A (en) * | 2019-08-27 | 2020-04-17 | 华南农业大学 | Device and method for testing influence of immersion-corrosion coupling effect on mechanical characteristics of soil body |
| CN112362487A (en) * | 2020-11-30 | 2021-02-12 | 湖北科技学院 | Rock-soil compression test method |
| CN112504862A (en) * | 2020-11-10 | 2021-03-16 | 中南大学 | Dynamic and static triaxial apparatus for controlling substrate suction and temperature |
| CN112710809A (en) * | 2020-12-18 | 2021-04-27 | 机械工业勘察设计研究院有限公司 | Soil body test system and method under hydraulic coupling effect |
| CN112781976A (en) * | 2021-01-08 | 2021-05-11 | 西安理工大学 | Large-scale triaxial test instrument of coarse-grained soil with seepage pressure control |
| WO2022142671A1 (en) * | 2021-01-04 | 2022-07-07 | 青岛理工大学 | Triaxial shear and seepage integrated experimental method and device for hydrate-bearing sediment |
| CN115561135A (en) * | 2021-12-01 | 2023-01-03 | 上海勘测设计研究院有限公司 | Flexible wall vertical permeameter |
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2016
- 2016-12-01 CN CN201621308504.0U patent/CN206192785U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957388A (en) * | 2017-10-27 | 2018-04-24 | 东南大学 | Original state saturated soil and the seepage flow of conditioned soil-creep combined test device and method |
| CN108007786A (en) * | 2017-12-29 | 2018-05-08 | 成都东华卓越科技有限公司 | A kind of double pressure room and ectosome become measuring system |
| CN108007787A (en) * | 2017-12-29 | 2018-05-08 | 中国科学院武汉岩土力学研究所 | Balancing gate pit and sound state triaxial test system |
| CN108007786B (en) * | 2017-12-29 | 2024-05-14 | 成都东华卓越科技有限公司 | Double-layer pressure chamber and external body change measuring system |
| CN108680480A (en) * | 2018-04-18 | 2018-10-19 | 同济大学 | A kind of unsaturation coarse-grained soil permeameter and its test method |
| CN111024577B (en) * | 2019-08-27 | 2021-04-13 | 华南农业大学 | Device and method for testing influence of immersion-corrosion coupling effect on mechanical characteristics of soil body |
| CN111024577A (en) * | 2019-08-27 | 2020-04-17 | 华南农业大学 | Device and method for testing influence of immersion-corrosion coupling effect on mechanical characteristics of soil body |
| CN110608953A (en) * | 2019-10-18 | 2019-12-24 | 中铁第一勘察设计院集团有限公司 | Triaxial test soil unit central position pore water pressure test system |
| CN112504862A (en) * | 2020-11-10 | 2021-03-16 | 中南大学 | Dynamic and static triaxial apparatus for controlling substrate suction and temperature |
| CN112504862B (en) * | 2020-11-10 | 2022-03-22 | 中南大学 | Measurement control method for controlling substrate suction and temperature by adopting dynamic and static triaxial apparatus |
| CN112362487B (en) * | 2020-11-30 | 2023-08-25 | 湖北科技学院 | Rock-soil compression test method |
| CN112362487A (en) * | 2020-11-30 | 2021-02-12 | 湖北科技学院 | Rock-soil compression test method |
| CN112710809A (en) * | 2020-12-18 | 2021-04-27 | 机械工业勘察设计研究院有限公司 | Soil body test system and method under hydraulic coupling effect |
| CN112710809B (en) * | 2020-12-18 | 2023-02-28 | 机械工业勘察设计研究院有限公司 | Soil body test system and method under hydraulic coupling effect |
| WO2022142671A1 (en) * | 2021-01-04 | 2022-07-07 | 青岛理工大学 | Triaxial shear and seepage integrated experimental method and device for hydrate-bearing sediment |
| CN112781976A (en) * | 2021-01-08 | 2021-05-11 | 西安理工大学 | Large-scale triaxial test instrument of coarse-grained soil with seepage pressure control |
| CN115561135A (en) * | 2021-12-01 | 2023-01-03 | 上海勘测设计研究院有限公司 | Flexible wall vertical permeameter |
| CN115561135B (en) * | 2021-12-01 | 2024-01-30 | 上海勘测设计研究院有限公司 | Flexible wall vertical permeameter |
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