CN110146389A - For analog force-heat-liquid coupling environment true triaxial direct shear test box and method - Google Patents
For analog force-heat-liquid coupling environment true triaxial direct shear test box and method Download PDFInfo
- Publication number
- CN110146389A CN110146389A CN201910341417.7A CN201910341417A CN110146389A CN 110146389 A CN110146389 A CN 110146389A CN 201910341417 A CN201910341417 A CN 201910341417A CN 110146389 A CN110146389 A CN 110146389A
- Authority
- CN
- China
- Prior art keywords
- pressure head
- gland
- hydraulic oil
- direct shear
- shearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box and method, including direct shear box and it is located at test specimen storehouse in the direct shear box, direct shear box includes sealing gland device, load indenter device, sliding clamp device, hydraulic device and heating device, load indenter device includes Vertical loading pressure head, horizontal addload pressure head and shearing pressure head, sliding clamp device includes upper sliding clamp and sideslip dynamic pressure plate, upper sliding clamp is located at the lower section of the Vertical loading pressure head, and upper sliding clamp can be along the opposite sliding of Vertical loading pressure head；Sideslip dynamic pressure plate is provided with six, can be along horizontal addload pressure head, the opposite sliding of shearing pressure head；The hydraulic device includes hydraulic oil inlet and hydraulic oil outlet；Heating device includes heating tank and heater strip.The present invention effectively simulates km rock mass environment below, really reflects shear crack characteristic under Li-heat-liquid coupling environment.
Description
Technical field
The present invention relates to a kind of large scale true triaxial direct shear test box and method for analog force-heat-liquid coupling environment,
The large scale true triaxial of locating high temperature, highland pressure and high hydraulic pressure environment is straight in especially a kind of analog hot dry rock development process
Scissor test box and test method.
Background technique
China is that the biggish country of geothermal energy resources reserves, geothermal energy resources are stable with its high spatter property in the world
Property and spatial distribution popularity become countries in the world primary study and exploitation new cleaning fuel.3~10km of China's Mainland
Depths hot dry rock resource is about 260,000 times of the current annual energy total amount consumed of China.National geothermal energy development has planning special bright
It really points out to try to explore and develop every technology of hot dry rock, therefore further system research hot dry rock reservoir fracture is in power-
Heat-liquid coupling environment and failure by shear and crack propagation feature under water injection pressure, further investigate hot dry rock rock mass shear fissure
Forming Mechanism is to break through hot dry rock development technique bottleneck urgent need to resolve key technology difficulty, to the energy-saving and emission-reduction in China's future with
The Energy restructuring of environmental pollution improvement and a new round has important theoretical value and practical advice meaning.
However there is also following shortcomings for traditional direct shear test device:
(1) three-dimensional stress can not be applied while carrying out shearing test to test specimen, or test specimen slide displacement can not be solved；
(2) it is difficult to press with carrying out high pressure, the shearing test under the coupling environment of high hydraulic pressure and high-temperature, the sealing performance of device is often
It cannot be protected；(3) size of traditional direct shear test sample is often below 7mm, and shearing test result is difficult to react true
Hot dry rock rock mass；(4) traditional direct shear test box cannot achieve the acoustic emission monitor(ing) to test process.
CN204807547U discloses a kind of stress seepage flow coupling true triaxial shear box, and mainly small size true triaxial is straight
- seepage tests are cut, which is unable to satisfy the condition of Rock mass of large dimension shearing test, and it is hydraulic also not account for high-temperature, height
Problem.
CN103743633B discloses a kind of fluid structure interaction coal rock shear-seepage test device, is mainly used for coal petrography and cuts
- seepage tests are cut, which is unable to satisfy true triaxial load, Li-heat-liquid coupling condition.
In conclusion experimental rig in the prior art solves true triaxial pressurization activity shearing, Li-heat-liquid coupling not yet
Molding fits the technical problems such as large dimension specimen.Therefore, this field related researcher is dedicated to developing a kind of for analog force-
Heat-liquid coupling environment large scale true triaxial direct shear test box.
Summary of the invention
The purpose of the present invention is to provide a kind of true triaxial direct shear test box for analog force-heat-liquid coupling environment and
Test method, the true triaxial direct shear test box can either push rock sample two parts relative shear up and down, additionally it is possible to carry out big
The direct shear test of sized samples guarantees rock sample periphery by constant three-dimensional stress, constant high stress, high-temperature and Gao Shui
Pressure ring border, while the acoustic emission monitor(ing) to shearing test overall process may be implemented, rock is better reflected in underground by complexity
Shear fissure Dynamic Evolution Characteristics and sliding rupture feature when external force is broken.
One of task of the invention is to provide a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test
Box, technical solution include:
A kind of true triaxial direct shear test box for analog force-heat-liquid coupling environment, including direct shear box and be located at described straight
Test specimen storehouse in box is cut, is used to place concrete shearing block and shearing sample, the concrete shearing block in the test specimen storehouse
It is the shearing sample including top cutout and lower part cutout, between the top cutout and lower part cutout；
The direct shear box includes sealing gland device, load indenter device, sliding clamp device, hydraulic device and heating
Device, the sealing gland device are a frame-shaped construction, by upper gland, side gland, heating gland and bottom gland
Composition, wherein closely being connected between adjacent gland；
The load indenter device includes Vertical loading pressure head, horizontal addload pressure head and shearing pressure head, and described is vertical
Load pressure head is located on the upper gland, and the horizontal addload pressure head is located on the side gland, and described cuts
Head is hobbed to be located on the heating gland；
The sliding clamp device includes upper sliding clamp and sideslip dynamic pressure plate, and the upper sliding clamp is located at described
Vertical loading pressure head lower section, the upper sliding clamp can slide along the Vertical loading pressure head is opposite；The sideslip
There are six dynamic pressure plate settings, wherein four are located at the side of the horizontal addload pressure head, other two is located at the shearing
The side of pressure head, can be along the horizontal addload pressure head, the opposite sliding of shearing pressure head；
The hydraulic device includes hydraulic oil inlet and hydraulic oil outlet, the hydraulic oil inlet and hydraulic oil outlet
Positioned at the top of the heating gland, the hydraulic oil inlet is connected with hydraulic pump and fuel tank；
The heating device includes heating tank and heater strip, and the heating tank is located at the lower section of the heating gland,
It is arranged in the heating tank after the heater strip, the heater strip are used to be powered and the hydraulic oil in test specimen storehouse heats up.
As a preferred solution of the present invention, the size of above-mentioned top cutout and lower part cutout is 200mm
× 200mm × 150mm, the spacing between top cutout and lower part cutout are 10mm；Above-mentioned shearing sample is cube
Protolith sample, size dimension are greater than 70mm and are less than 150mm.
As another preferred embodiment of the invention, several ball grooves are provided on the upper surface of above-mentioned upper sliding clamp
One, ball one is provided on each ball grooves one, is passed through ball one and is realized upper sliding clamp and above-mentioned Vertical loading pressure head
Opposite sliding.
Further, above-mentioned sideslip dynamic pressure plate and above-mentioned horizontal addload pressure head, shear and be provided on the opposite face of pressure head
Several ball grooves two are provided with ball two on each ball grooves two, pass through ball two and realize sideslip dynamic pressure plate and horizontal addload pressure
The opposite sliding of head, shearing pressure head.
Further, it is linked together between adjacent gland by refractory seals pad, fastening bolt.
Further, above-mentioned heating tank is rectangular recess.
Further, acoustic emission inspecting hole is arranged in above-mentioned sideslip dynamic pressure plate upper end, and above-mentioned sound emission inspecting hole is used
In fixed acoustic emission sensor.
Another task of the invention is to provide a kind of true triaxial direct shear test method of analog force-heat-liquid coupling environment,
It uses above-mentioned test box, and method includes:
A, test specimen is prepared, is prepared respectively having a size of 200mm × 200mm × 150mm top cutout and lower part cutout,
Cube protolith sample is prepared as shearing sample；
B, it installs, horizontal addload pressure head is embedded in side gland, shearing pressure head insertion heating gland presses two sides
Lid, two heating glands and bottom gland are fixed to each other and seal；Acoustic emission sensor is embedded in sound emission inspecting hole, will be breakked away
The opposite side that dynamic pressure plate is placed in horizontal addload pressure head, shears pressure head；Top cutout, lower part cutout are placed in test cabin
In, successively cover upper sliding clamp, Vertical loading pressure head and upper gland, and fixing seal；
The large scale true triaxial direct shear test box is placed in be tested in true triaxial pressure testing machine, utilization is high pressure resistant
Hydraulic oil inlet, hydraulic oil outlet are connected hydraulic pump and fuel tank, connecting acoustic emission sensor and heater strip by hose；
C, hydraulic oil, pressure build up are injected, hydraulic oil is injected to test cabin by hydraulic oil inlet using hydraulic pump, is connected
Power utilization heater strip heats hydraulic oil, hydraulic oil oil temperature is monitored by external temp sensor, to reach experimental condition；Increase
Big oil pressure is until meeting hydraulics；
D, it tests, opens true triaxial pressure testing machine, apply vertical stress and horizontal stress, pass through acoustic emission monitor(ing) device
Sample is monitored, applies shear stress until sample destroys；Release confining pressure, extraction hydraulic oil after the test, see
Sample failure mode is examined, discloses shear fissure Dynamic Evolution Characteristics and sliding rupture machine in conjunction with test data and crack propagation form
System.
Compared with prior art, present invention offers following advantageous effects:
The first, the shearing box main body of the high density steel manufacture high using compression strength, impact water in corrosion resistance is good, can be realized mould
The high-ground stress environment of quasi- deep hot dry rock reservoir；By the way that tungsten wire is arranged in heating tank, hydraulic oil highest is heated to 300
DEG C, the heat preservation to test box is realized by way of outer sensor；It is full of hydraulic oil inside test box and simulates underground high-voltage water,
It is that oil pressure is loaded onto 5MPa in test box, while pressure maintaining may be implemented, and then meets and couple to Li-heat-liquid using external oil pump
The simulation of environment.
The second, using split type rigid sliding clamp, ball and pressure head, the shear displacemant within 5mm, energy may be implemented
Enough spatial shapes point for sufficiently studying different rock sample failure modes under different temperatures, hydraulic and stress condition, shear fissure
Cloth feature.
Third, sideslip dynamic pressure plate upper end set sound emission inspecting hole, and for fixing acoustic emission sensor, rock is cut in realization
Cut the monitoring of the parameters such as acoustie emission event, energy and the amplitude of destructive process.
4th, in test cabin cutout entirety size 200mm × 200mm × 300mm, the size of internal effectively rock mass is most
It is big up to 150mm × 150mm × 150mm, the shearing test result of large dimension specimen can true hot dry rock rock mass mechanical property
Energy.
5th, test box of the present invention can simulate the coupling ring of high-ground stress locating for deep rock mass, high hydraulic pressure and High-geotemperature
Border, the direct shear test of large scale protolith under true triaxial environment is realized using sliding clamp, and sound emission inspecting hole in channel is realized to test
The acoustic emission information of overall process monitors, and effectively simulates km rock mass environment below, really reflects Li-heat-liquid coupling
Shear crack characteristic under environment.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing:
Fig. 1 is that a kind of large scale true triaxial direct shear test box front for coupling environment for analog force-heat-liquid of the present invention is cutd open
View；
Fig. 2 is the side sectional view of test box of the present invention；
Fig. 3 is the upper sliding clamp installation diagram of test box of the present invention；
Fig. 4 is the sideslip dynamic pressure plate installation diagram of test box of the present invention；
Fig. 5 is the heating gland installation diagram of test box of the present invention.
Appended drawing reference is as follows:
1- upper gland；The side 2- gland；3- heats gland；31- heating tank；32- heater strip；The bottom 4- gland；5- hangs down
Straight load pressure head；6- horizontal addload pressure head；7- shears pressure head；8- upper end sliding clamp；The side 9- head sliding clamp；91- sound
Emit inspecting hole；10- ball；11- hydraulic oil inlet；12- hydraulic oil outlet；13- large-size concrete cutout；14- shearing examination
Sample；15- fastening bolt；16- refractory seals pad.
Specific embodiment
The invention proposes a kind of true triaxial direct shear test box and method for analog force-heat-liquid coupling environment, in order to
Keep advantages of the present invention, technical solution clearer, clear, elaborates combined with specific embodiments below to the present invention.
In conjunction with shown in Fig. 1 to Fig. 5, the present invention is a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test
Box, including test specimen storehouse and direct shear box.Test specimen storehouse positioned inside large-size concrete cutout 13 and shearing sample 14, shear sample
14 are embedded in the middle part of two block concrete cutout 13, at a distance of 10mm between two block concrete cutouts 13.
Direct shear box includes sealing gland device, load indenter device, sliding clamp device, hydraulic device and heating device.
Sealing gland device includes upper gland 1, side gland 2, heating gland 3, bottom gland 4, each gland setting fastening bolt 15,
Refractory seals pad 16 is closely connected between each gland using refractory seals pad 16, fastening bolt 15, guarantees the resistance to of direct shear box
High temperature and high leakproofness；
Upper gland 1 is provided with Vertical loading pressure head 5, and side gland 2 is provided with horizontal addload pressure head 6, and heating gland 3 is set
It is equipped with shearing pressure head 7, heating tank 31, heater strip 32, hydraulic oil inlet 11 and hydraulic oil outlet 12.
Load indenter device includes Vertical loading pressure head 5, horizontal addload pressure head 6, shearing pressure head 7.
Sliding clamp device includes upper end sliding clamp 8, side head sliding clamp 9；Upper end sliding clamp 8, which is located at, to hang down
Ball grooves are arranged in straight 5 lower section of load pressure head, 8 upper end of upper end sliding clamp, and ball grooves dispose ball 10, guarantee upper end
Sliding clamp 8 can be slided with Vertical loading pressure head 5；Sliding clamp 9 totally six, side head, wherein four are located at horizontal add
6 side of pressure head is carried, one side head sliding clamp 9 of each arrangement, two of them are located at shearing 7 side of pressure head up and down, and side head is sliding
Ball grooves are arranged in 9 upper end of dynamic pressure plate, and ball grooves dispose ball 10, and side head 9 upper end of sliding clamp sets sound emission spy
The monitoring of the acoustic emission parameters to test process is realized for fixing acoustic emission sensor in hole 91.
Hydraulic device includes hydraulic oil inlet 11 and hydraulic oil outlet 13, and hydraulic oil inlet 11 and hydraulic oil outlet 13 are located at
3 top of gland is heated, the fixed high-pressure rubber hose of high-pressure seal ring is utilized.
Heating device includes heating tank 31 and heater strip 32, and heating tank 31 is located at 3 lower section of heating gland, processes rectangular recessed
Hydraulic oil in test specimen storehouse is heated up, is arranged in heating tank by slot, interior arrange after heater strip 32, heater strip 32 are powered of heating tank 31
Hydraulic oil highest is heated to 300 DEG C, the heat preservation to test box is realized by way of outer sensor by tungsten wire；In test box
Portion is full of hydraulic oil and simulates underground high-voltage water, is that oil pressure is loaded onto 5MPa in test box using external oil pump, may be implemented simultaneously
Pressure maintaining.
Using the above test box, test can be followed the steps below:
(1) test material preparation
Protolith: it will be sealed from the protolith sample fetched of scene with preservative film and be placed in corning machine and carry out coring, finally utilized
The protolith careful of taking-up is polished into raw coal cube rock sample by grinding machine, and cube rock sample minimum dimension is 70mm × 70mm
× 70mm, full-size be 150mm × 150mm × 150mm, by the protolith to complete be placed in constant temperature, constant humidity curing box in
It is conserved.
Concrete shearing block: preparing C30 concrete, and wherein the mass ratio of water, cement, sand and stone is 0.38:1:1.11:
2.72, prepared concrete is placed in the double molds of 200mm × 200mm × 150mm and is consolidated, the original that will be completed
Rock sample is placed in the middle part of concrete, while being guaranteed in cube rock sample half insertion concrete；It is placed above double molds
10mm backing plate is placed in the double molds of 200mm × 200mm × 150mm above backing plate, and pours into concrete and consolidated；
To concrete shearing formation of lots by the concrete shearing block made be placed in constant temperature, constant humidity curing box in conserve.
(2) test specimen installation and installation
Horizontal addload pressure head 6 is embedded in side gland 2, by the shearing insertion heating gland 3 of pressure head 7, by two side glands
2, two heating glands 3 and the fastening bolt 15 of bottom gland 4 and refractory seals pad 16 are fixed to each other and seal；By sound emission
Sensor is embedded in sound emission inspecting hole 91, and the side head sliding clamp 9 equipped with ball 10 is placed in horizontal addload pressure head 6；It cuts
Hob first 7 side；Concrete shearing block 13 is placed in test cabin, upper end sliding clamp 8, Vertical loading pressure are successively covered
First 5 and upper gland 1, and 16 fixing seals are padded using fastening bolt 15 and refractory seals.
True triaxial direct shear test box is placed in it is to be tested in true triaxial pressure testing machine, using high-pressure hose by hydraulic oil into
Mouth 11, hydraulic oil outlet 12 connect hydraulic pump and fuel tank, connecting acoustic emission sensor and heater strip 32.
(3) hydraulic oil, pressure build up are injected
Hydraulic oil is injected to test cabin by hydraulic oil inlet 11 using hydraulic pump, is powered on liquid using heater strip 32
Pressure oil heating monitors hydraulic oil oil temperature by external temp sensor, to reach experimental condition；It is hydraulic until meeting to increase oil pressure
Condition.
(4) it is tested
True triaxial pressure testing machine is opened, applies vertical stress and level is exerted oneself, opens acoustic emission monitor(ing) device to sample
It is monitored, applies shear stress until test specimen destroys；Release confining pressure, extraction hydraulic oil after the test, take out coagulation
Native cutout observes test specimen failure mode, in conjunction with test data and crack propagation form disclose shear fissure Dynamic Evolution Characteristics and
Sliding rupture mechanism.
It uses for reference the prior art and can be realized in the part that the present invention does not address.
It should be understood that any equivalent way that those skilled in the art are made under the introduction of this specification, or
Obvious variant should all be within the scope of the present invention.
Claims (8)
1. a kind of true triaxial direct shear test box for analog force-heat-liquid coupling environment, including direct shear box and it is located at the staight scissors
Test specimen storehouse in box, for placing concrete shearing block and shearing sample in the test specimen storehouse, it is characterised in that:
The concrete shearing block includes top cutout and lower part cutout, the top cutout and lower part cutout
Between be the shearing sample；
The direct shear box includes sealing gland device, load indenter device, sliding clamp device, hydraulic device and heating dress
It sets, the sealing gland device is a frame-shaped construction, by upper gland, side gland, heating gland and bottom gland group
At wherein closely being connected between adjacent gland；
The load indenter device includes Vertical loading pressure head, horizontal addload pressure head and shearing pressure head, the Vertical loading
Pressure head is located on the upper gland, and the horizontal addload pressure head is located on the side gland, the shearing pressure
Head is located on the heating gland；
The sliding clamp device includes upper sliding clamp and sideslip dynamic pressure plate, and the upper sliding clamp is located at described hang down
The lower section of straight load pressure head, the upper sliding clamp can be along the opposite slidings of the Vertical loading pressure head；The sideslip dynamic pressure
There are six plate settings, wherein four are located at the side of the horizontal addload pressure head, other two is located at the shearing pressure head
Side, can along the horizontal addload pressure head, shearing pressure head is opposite slides；
The hydraulic device includes hydraulic oil inlet and hydraulic oil outlet, and the hydraulic oil inlet and hydraulic oil outlet are located at
The top of the heating gland, the hydraulic oil inlet are connected with hydraulic pump and fuel tank；
The heating device includes heating tank and heater strip, and the heating tank is located at the lower section of the heating gland, in institute
The arrangement heater strip in the heating tank stated, the heater strip heat up the hydraulic oil in test specimen storehouse after being used to be powered.
2. it is according to claim 1 a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box, it is special
Sign is: the size of the top cutout and lower part cutout is 200mm × 200mm × 150mm, top cutout with
Spacing between the cutout of lower part is 10mm；The shearing sample is cube protolith sample, and size dimension is greater than 70mm
And it is less than 150mm.
3. it is according to claim 2 a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box, it is special
Sign is: being provided with several ball grooves one on the upper surface of the upper sliding clamp, is provided with rolling on each ball grooves one
Pearl one realizes the opposite sliding of upper sliding clamp and the Vertical loading pressure head by ball one.
4. it is according to claim 3 a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box, it is special
Sign is: the sideslip dynamic pressure plate and the horizontal addload pressure head are sheared and are provided with several ball grooves on the opposite face of pressure head
Two, ball two is provided on each ball grooves two, is passed through ball two and is realized sideslip dynamic pressure plate and horizontal addload pressure head, shearing pressure head
Opposite sliding.
5. it is according to claim 4 a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box, it is special
Sign is: being linked together between adjacent gland by refractory seals pad, fastening bolt.
6. it is according to claim 5 a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box, it is special
Sign is: the heating tank is rectangular recess.
7. it is according to claim 6 a kind of for analog force-heat-liquid coupling environment true triaxial direct shear test box, it is special
Sign is: acoustic emission inspecting hole is arranged in the sideslip dynamic pressure plate upper end, and the sound emission inspecting hole is sent out for fixed sound
Penetrate sensor.
8. a kind of analog force-heat-liquid coupling environment true triaxial direct shear test method, which is characterized in that use claim 1-7
It is described in any item a kind of for analog force-heat-liquid coupling environment large scale true triaxial direct shear test box, the test method
Successively the following steps are included:
A, test specimen is prepared, is prepared respectively having a size of 200mm × 200mm × 150mm top cutout and lower part cutout, preparation
Cube protolith sample is as shearing sample；
B, install, by horizontal addload pressure head be embedded in side gland, will shearing pressure head insertion heating gland, by two side glands,
Two heating glands and bottom gland are fixed to each other and seal；Acoustic emission sensor is embedded in sound emission inspecting hole, by Slideslip
The opposite side that pressing plate is placed in horizontal addload pressure head, shears pressure head；Top cutout, lower part cutout are placed in test cabin
In, successively cover upper sliding clamp, Vertical loading pressure head and upper gland, and fixing seal；
The large scale true triaxial direct shear test box is placed in be tested in true triaxial pressure testing machine, utilizes high pressure resistant hose
By hydraulic oil inlet, hydraulic oil outlet connection hydraulic pump and fuel tank, connecting acoustic emission sensor and heater strip；
C, hydraulic oil, pressure build up are injected, hydraulic oil is injected to test cabin by hydraulic oil inlet using hydraulic pump, is powered on
Hydraulic oil is heated using heater strip, hydraulic oil oil temperature is monitored by external temp sensor, to reach experimental condition；Increase oil
Straightening is to meeting hydraulics；
D, it tests, opens true triaxial pressure testing machine, apply vertical stress and horizontal stress, by acoustic emission monitor(ing) device to examination
Sample is monitored, and applies shear stress until sample destroys；Release confining pressure, extraction hydraulic oil after the test, observation examination
Sample failure mode discloses shear fissure Dynamic Evolution Characteristics and sliding rupture mechanism in conjunction with test data and crack propagation form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341417.7A CN110146389B (en) | 2019-04-26 | 2019-04-26 | True triaxial direct shear test box and method for simulating force-heat-liquid coupling environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910341417.7A CN110146389B (en) | 2019-04-26 | 2019-04-26 | True triaxial direct shear test box and method for simulating force-heat-liquid coupling environment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110146389A true CN110146389A (en) | 2019-08-20 |
| CN110146389B CN110146389B (en) | 2022-07-29 |
Family
ID=67594498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910341417.7A Active CN110146389B (en) | 2019-04-26 | 2019-04-26 | True triaxial direct shear test box and method for simulating force-heat-liquid coupling environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110146389B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284929A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multifunctional multi-direction rock shearing-seepage-temperature multi-field coupling test method |
| CN113281194A (en) * | 2021-05-21 | 2021-08-20 | 东北大学 | Shear box device suitable for rock full stress space is loaded |
| CN116296765A (en) * | 2023-05-19 | 2023-06-23 | 北京科技大学 | High-temperature chemical rock shearing seepage coupling triaxial test device |
Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050816A (en) * | 1900-01-01 | |||
| US4366803A (en) * | 1980-11-19 | 1983-01-04 | Hodge Warren L | Counterrotating circulating hydraulic furnace |
| CN101846606A (en) * | 2010-05-27 | 2010-09-29 | 中国科学院武汉岩土力学研究所 | Earth-structure interaction contact surface shearing test visualization device |
| CN102095650A (en) * | 2011-01-21 | 2011-06-15 | 中国科学院地质与地球物理研究所 | Method for testing strength of soil-rock mixture |
| CA2732380A1 (en) * | 2010-02-22 | 2011-08-22 | Ben Kasprick | Method and apparatus for load testing a pile |
| AU2016101488A4 (en) * | 2016-08-22 | 2016-10-13 | Sun, Sam MR | Devices using a medium having a high heat transfer rate |
| CN106370581A (en) * | 2016-09-29 | 2017-02-01 | 中国科学院武汉岩土力学研究所 | True triaxial shear rock mass shearing seepage test device suitable for high seepage pressure, and test method of test device |
| CN106596281A (en) * | 2016-12-20 | 2017-04-26 | 东北大学 | High-pressure true triaxial hard rock constant-temperature season cracking testing device and method |
| CN106644708A (en) * | 2016-11-14 | 2017-05-10 | 重庆大学 | Rock-like material tension-shear and biaxial tension-compression testing device and use method thereof |
| CN106950087A (en) * | 2017-03-06 | 2017-07-14 | 浙江科技学院 | Meet the preparation method of the irregular protolith structural fece sample of indoor direct shear test requirement |
| CN206891805U (en) * | 2017-03-02 | 2018-01-16 | 合肥工业大学 | It is disintegrated soft rock and the test sample of concrete binding characteristic |
| CN107589020A (en) * | 2017-07-17 | 2018-01-16 | 华北水利水电大学 | A kind of hydraulic fracturing test method based on stress path |
| CN107782634A (en) * | 2017-09-19 | 2018-03-09 | 太原理工大学 | The axle dynamic shearing seepage flow of microcomputer controlled electro-hydraulic servo rock three couples multifunction test device |
| CN107782628A (en) * | 2017-09-19 | 2018-03-09 | 太原理工大学 | Single fissure rock test specimen staight scissors seepage flow test device and test method under a kind of hydrostatic conditions |
| CN107893652A (en) * | 2017-09-30 | 2018-04-10 | 中国石油大学(华东) | The hydraulic fracturing analogue experiment installation and method of the enhanced geothermal system of hot dry rock |
| CN107907422A (en) * | 2017-11-03 | 2018-04-13 | 中国地质大学（武汉） | A kind of large scale true triaxial hydraulic fracturing experiments machine and its experimental method containing temperature control system |
| CN108303310A (en) * | 2018-02-07 | 2018-07-20 | 成都理工大学 | Rock ordinary triaxial test test specimen sealing device and its application method |
| CN108519293A (en) * | 2018-03-19 | 2018-09-11 | 太原理工大学 | A kind of true triaxial rock shearing seepage experimental apparatus |
| CN108871968A (en) * | 2017-05-11 | 2018-11-23 | 中国矿业大学(北京) | A kind of fracturing process stress freezing experimental provision |
| CA3006351A1 (en) * | 2017-05-26 | 2018-11-26 | Big Guns Energy Services Inc. | System and method for triaxial testing of core samples at high temperatures |
| CN109001051A (en) * | 2018-06-28 | 2018-12-14 | 中国科学院武汉岩土力学研究所 | Seepage experimental apparatus and its method are sheared suitable for the L-type of joint or crack rock |
| CN109238859A (en) * | 2018-09-19 | 2019-01-18 | 中国石油集团川庆钻探工程有限公司 | Induced stress testing arrangement in three-dimensional space of many cracks |
| CN109269891A (en) * | 2018-10-31 | 2019-01-25 | 山东科技大学 | A kind of true triaxial loading device and test method suitable for false three-axis tester |
| CN109357923A (en) * | 2018-11-09 | 2019-02-19 | 中国科学院武汉岩土力学研究所 | A kind of country rock-lining cutting contact surface device and method that reduction tensioning splitting generates |
-
2019
- 2019-04-26 CN CN201910341417.7A patent/CN110146389B/en active Active
Patent Citations (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050816A (en) * | 1900-01-01 | |||
| US4366803A (en) * | 1980-11-19 | 1983-01-04 | Hodge Warren L | Counterrotating circulating hydraulic furnace |
| CA2732380A1 (en) * | 2010-02-22 | 2011-08-22 | Ben Kasprick | Method and apparatus for load testing a pile |
| CN101846606A (en) * | 2010-05-27 | 2010-09-29 | 中国科学院武汉岩土力学研究所 | Earth-structure interaction contact surface shearing test visualization device |
| CN102095650A (en) * | 2011-01-21 | 2011-06-15 | 中国科学院地质与地球物理研究所 | Method for testing strength of soil-rock mixture |
| AU2016101488A4 (en) * | 2016-08-22 | 2016-10-13 | Sun, Sam MR | Devices using a medium having a high heat transfer rate |
| CN106370581A (en) * | 2016-09-29 | 2017-02-01 | 中国科学院武汉岩土力学研究所 | True triaxial shear rock mass shearing seepage test device suitable for high seepage pressure, and test method of test device |
| CN106644708A (en) * | 2016-11-14 | 2017-05-10 | 重庆大学 | Rock-like material tension-shear and biaxial tension-compression testing device and use method thereof |
| CN106596281A (en) * | 2016-12-20 | 2017-04-26 | 东北大学 | High-pressure true triaxial hard rock constant-temperature season cracking testing device and method |
| CN206891805U (en) * | 2017-03-02 | 2018-01-16 | 合肥工业大学 | It is disintegrated soft rock and the test sample of concrete binding characteristic |
| CN106950087A (en) * | 2017-03-06 | 2017-07-14 | 浙江科技学院 | Meet the preparation method of the irregular protolith structural fece sample of indoor direct shear test requirement |
| CN108871968A (en) * | 2017-05-11 | 2018-11-23 | 中国矿业大学(北京) | A kind of fracturing process stress freezing experimental provision |
| CA3006351A1 (en) * | 2017-05-26 | 2018-11-26 | Big Guns Energy Services Inc. | System and method for triaxial testing of core samples at high temperatures |
| CN107589020A (en) * | 2017-07-17 | 2018-01-16 | 华北水利水电大学 | A kind of hydraulic fracturing test method based on stress path |
| CN107782634A (en) * | 2017-09-19 | 2018-03-09 | 太原理工大学 | The axle dynamic shearing seepage flow of microcomputer controlled electro-hydraulic servo rock three couples multifunction test device |
| CN107782628A (en) * | 2017-09-19 | 2018-03-09 | 太原理工大学 | Single fissure rock test specimen staight scissors seepage flow test device and test method under a kind of hydrostatic conditions |
| CN107893652A (en) * | 2017-09-30 | 2018-04-10 | 中国石油大学(华东) | The hydraulic fracturing analogue experiment installation and method of the enhanced geothermal system of hot dry rock |
| CN107907422A (en) * | 2017-11-03 | 2018-04-13 | 中国地质大学（武汉） | A kind of large scale true triaxial hydraulic fracturing experiments machine and its experimental method containing temperature control system |
| CN108303310A (en) * | 2018-02-07 | 2018-07-20 | 成都理工大学 | Rock ordinary triaxial test test specimen sealing device and its application method |
| CN108519293A (en) * | 2018-03-19 | 2018-09-11 | 太原理工大学 | A kind of true triaxial rock shearing seepage experimental apparatus |
| CN109001051A (en) * | 2018-06-28 | 2018-12-14 | 中国科学院武汉岩土力学研究所 | Seepage experimental apparatus and its method are sheared suitable for the L-type of joint or crack rock |
| CN109238859A (en) * | 2018-09-19 | 2019-01-18 | 中国石油集团川庆钻探工程有限公司 | Induced stress testing arrangement in three-dimensional space of many cracks |
| CN109269891A (en) * | 2018-10-31 | 2019-01-25 | 山东科技大学 | A kind of true triaxial loading device and test method suitable for false three-axis tester |
| CN109357923A (en) * | 2018-11-09 | 2019-02-19 | 中国科学院武汉岩土力学研究所 | A kind of country rock-lining cutting contact surface device and method that reduction tensioning splitting generates |
Non-Patent Citations (6)
| Title |
|---|
| WONG RCK 等: "Strain-indued anisotropy in fabric and hydraulic parameters of oil sand in triaxial compression", 《CANADIAN GEOTECHNICAL JOURNAL》 * |
| 刘超: "《含瓦斯煤岩破裂过程微震监测与分析》", 31 March 2017, 中国矿业大学出版社 * |
| 夏红兵 等: "《煤系高岭土开采技术研究》", 31 May 2012, 中国矿业大学出版社 * |
| 张茜: "地下深部岩石强度变形特征及强度准则研究", 《中国优秀硕士学位论文全文数据库》 * |
| 张飙 等: "鄂北上古生界致密砂岩气藏压裂工艺技术研究及应用", 《天然气工业》 * |
| 邓辉 等: "高温高压作用下致密砂岩三轴压缩试验", 《石油与天然气地质》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284929A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multifunctional multi-direction rock shearing-seepage-temperature multi-field coupling test method |
| CN112284929B (en) * | 2020-09-30 | 2022-02-01 | 中国科学院武汉岩土力学研究所 | Multifunctional multi-direction rock shearing-seepage-temperature multi-field coupling test method |
| CN113281194A (en) * | 2021-05-21 | 2021-08-20 | 东北大学 | Shear box device suitable for rock full stress space is loaded |
| CN116296765A (en) * | 2023-05-19 | 2023-06-23 | 北京科技大学 | High-temperature chemical rock shearing seepage coupling triaxial test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110146389B (en) | 2022-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110146389A (en) | For analog force-heat-liquid coupling environment true triaxial direct shear test box and method | |
| CN106499385B (en) | Device and method for evaluating fracture environment setting of casing integrality | |
| Niu et al. | Experimental study on crack coalescence behavior of double unparallel fissure-contained sandstone specimens subjected to freeze-thaw cycles under uniaxial compression | |
| CN105928859A (en) | Device and method for testing rock fracture seepage parameters under high temperature and high pressure conditions | |
| CN105547864B (en) | The assay method and dedicated full-automatic direct shear apparatus of chemical contamination shear strength of soil | |
| CN108952659A (en) | Visualize supercritical carbon dioxide pressure break physical simulation experiment method | |
| CN109030137A (en) | A kind of experimental provision and method of simulation frozen soil stratum cement sheath consolidation | |
| CN103821487B (en) | Simulation experiment set for thickened oil thermal recovery storage layer fractures | |
| CN102735548A (en) | Multifunctional true triaxial flow solid coupling test system | |
| CN108204916B (en) | Shear-low temperature coupling experimental device and method for penetrating fracture | |
| CN102183796A (en) | Testing device and method for simulating backflow of propping agent | |
| CN109470576A (en) | For simulating the pilot system and test method of buried structure Water Inrush | |
| CN109142192A (en) | Visualization abnormity well cementation second interface bonding quality and obform body strength test system | |
| CN105758731A (en) | Testing system for rock salt multi-field coupling long-term creeping | |
| CN206804429U (en) | A kind of lower hydration of constant load effect influences evaluating apparatus to Tensile Strength of Rock | |
| CN110146371A (en) | Heating and thermal insulation sleeve is loaded for large scale rock direct shear test | |
| CN110005400A (en) | Device for testing cementing surface of shaft sleeve-cement sheath in high-temperature and high-pressure environment of dry hot rock stratum | |
| CN110242267A (en) | For simulating the hydraulic fracturing shearing test system and method for geothermal system hot dry rock | |
| CN110221036A (en) | Water-retaining production " sound emission-infra-red radiation " experimental system with seepage apparatus | |
| CN103835709B (en) | Simulation experiment method for thickened oil thermal recovery reservoir layer fracture | |
| CN106501099A (en) | Emulsified asphalt cold in place recycling compound high-temerature creep test method | |
| CN115372159A (en) | Fault activation and roadway instability test system and method under simulated mining disturbance action | |
| Jia et al. | Insight into rock crack propagation from resistivity and ultrasonic wave variation | |
| CN209372589U (en) | For simulating the pilot system of buried structure Water Inrush | |
| Kou et al. | Micro and macro evaluation of tensile characteristics of anisotropic rock mass after high temperatures treatment-a case study of Lingshi Gneiss |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |