CN110174317A - Contact surface double direction shear experimental rig - Google Patents
Contact surface double direction shear experimental rig Download PDFInfo
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- CN110174317A CN110174317A CN201910462069.9A CN201910462069A CN110174317A CN 110174317 A CN110174317 A CN 110174317A CN 201910462069 A CN201910462069 A CN 201910462069A CN 110174317 A CN110174317 A CN 110174317A
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- shear
- shear box
- contact surface
- normal
- experimental rig
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- 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
-
- 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
- G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The present invention relates to contact surface double direction shear experimental rig, including upper shear box, lower shear box, normal direction pressurizing device, X/Y are to shearing transmission device, X/Y to pushing meanss, X/Y to mobile device and data acquisition device.To shearing is carried out shear displacemant can occur for the invention device in X/Y to shearing transmission device by X/Y by fixed upper shear box, lower shear box, and the contact area of sample remains unchanged up and down during test, without carrying out area correction to it.The device can also study the mutual insertion feature of the different materials soil body by applying Normal stress.Apparatus of the present invention can test the X/Y of different engineering characteristic soil body contact surfaces to stress deformation characteristic and the mutual insertion feature of normal direction, realize the laboratory test research of contact surface different directions stress deformation characteristic.The fixed sum data acquisition that sets of the application of load, shear displacemant and shear rate is controlled by computer during test, and experimental rig measurement accuracy is high, simple to operation, experimentation cost is low.
Description
Technical field
The present invention relates to a kind of contact surface double direction shear experimental rigs, are suitable between measurement same material or different materials
Interface friction characteristics, be particularly suitable for continuously measuring contact surface X to the interface friction characteristics with Y-direction, and can be also used for
Study mutual insertion mechanism of the different materials contact surface under vertical uniform load q.The experimental rig can carry out etc. shear surfaces and
Become the conventional direct shear test etc. of shear surface.
Background technique
Contact surface problem is an important subject in geotechnical engineering field.The soil body and works, the soil body and the soil body it
Between contact surface problem related in the engineerings such as earth-rock works, port and pier, bridge tunnel, foundation, in outside
Under load action, since the stress deformation property difference of the different materials soil body or structure is larger, often answered at contact surface
Power is concentrated, big shear-deformable, sliding, is displaced phenomena such as discontinuous, fracture, mutually insertion, and contact surface issue handling is improper to be led
It causes structure partial damage is even whole to destroy, thus carries out the stress at contact surface and compatibility of deformation characteristic research there is important reason
By meaning and practical engineering value.
Interface test is one of the conventional means of contact stress deformation characteristic research.Currently, the examination about contact surface
Research is tested based on direct shear test, combines to reach with engineering is practical, many improvement has been done, such as Tsinghua University's geotechnical engineering
Large-scale contact surface CYCLIC LOADING shear testing maschine (TH-20t of the shear box of Research Institute having a size of 250mm × 250mm
CSSASST), the plane that Changjiang Academy of sciences develops simple shear apparatus of the shear box having a size of 600mm × 600mm, Hohai University develop
The upper box that direct shear apparatus having a size of 450mm × 450mm, Nanjing Hydraulic Research Institute develop having a size of 500mm × 500mm ×
150mm, lower box are sent out having a size of 500mm × 670mm × 150mm high-performance large contact surface direct shear apparatus (NHRI-4000), Hohai University
It is bright it is a kind of can temperature control geomembrane and soil contact face shearing test device (number of patent application: CN201810873026.5), river
The invention of southern Polytechnics a kind of measurement soil and structure interface Particle Breakage degree direct shear test device (number of patent application:
The experimental rigs such as CN201710110515.0).
Above-mentioned interface test device, which carries out test, to be carried out under unidirectional shearing condition, and contact is had not been reported yet
The double direction shear experimental rig in face.Contact surface position is often weak link, and most weak in the planar range at contact surface
Direction is the direction for being easiest to destroy, and how to determine the weak direction at contact surface, and the present invention is quasi- to be studied one kind and connect
Contacting surface double direction shear experimental rig can continuously carry out at contact surface X to the shearing test with Y-direction, while can also carry out contact
The stress deformation characteristic of face normal direction and mutually insertion mechanism study.
Summary of the invention
It is an object of the invention to overcome prior art defect, a kind of contact surface double direction shear experimental rig, the dress are provided
It sets in can not only testing indoors and continuously carries out X to the contact surface experiment of friction performance with Y-direction, contact surface method can also be carried out
To stress deformation characteristic and mutually insertion mechanism study.Meanwhile the device shear surfaces such as can also carry out and become shear surface
Conventional direct shear test.The normal force of the device and the load of shearing force independently apply, the application of load, shearing position during test
It moves and the setting of shear rate, data acquisition is controlled by computer, experimental rig measurement accuracy is high, automatization level is high, letter
It is single easy to operate.
Realizing the technical solution of the object of the invention is:
A kind of contact surface double direction shear experimental rig, including upper shear box, lower shear box, normal direction pressurizing device, X/Y are passed to shearing
Dynamic device, X/Y are to pushing meanss, X/Y to mobile device and data acquisition device；
The test specimens to be checked of interface test are accommodated in the upper shear box, lower shear box respectively；Upper shear box X/Y to leading to respectively
Corresponding fixed device is crossed to fix；
The normal direction pressurizing device is set to shear box upper end, for applying normal force to sample；
The X/Y is to shearing transmission device connection X/Y to pushing meanss and lower shear box, and X/Y is to pushing meanss in normal force
Effect it is lower by X/Y to the downward shear box of shearing transmission device apply X/Y to shearing force；
The X/Y is set to below lower shear box to mobile device, controls lower shear box under the action of shear force along X/Y to hair
Raw displacement；
Data acquisition device acquisition sample is under normal force effect along X/Y to displacement caused by occurring to shear and corresponding
Shearing force.
As a further improvement of the present invention, described device further includes water storage case；The lower shear box is placed in water storage case
Interior, lower shear box bottom is equipped with lower porous disc, and the sample in lower shear box is connected to by lower porous disc with water storage case.
As a further improvement of the present invention, the upper shear box top is equipped with upper porous disc, and upper porous disc, which is equipped with, to be passed
Pressing plate；Normal direction pressurizing device applies normal force to sample by pressure transmission plate.
As a further improvement of the present invention, the X/Y is made of to mobile device X/Y direction guiding rail and ball.
As a further improvement of the present invention, experimental rig bottom is equipped with pedestal；The X direction guiding rail is set to water storage case bottom
Portion；Y-direction guide rail is set on pedestal, so that contact surface X shears independent control to Y-direction.
As a further improvement of the present invention, the lower shear box is square cutouts face, and upper shear box is circular cutout face；
Lower shear box shear surface area is greater than the shear surface area of upper shear box, it is ensured that above and below when contact surface is sheared along different directions
The contact surface area of sample is constant；Further, the lantern ring with upper shear box sample same size is equipped in the lower shear box,
To carry out conventional change shear surface direct shear test.
As a further improvement of the present invention, the lower edge of the upper shear box is rounded upwarps structure, is cut with reducing
Cut the contact friction between cassette bottom face and sample in lower shear box, when test can also suitably smear vaseline.
As a further improvement of the present invention, the data acquisition device includes that X/Y is passed to force snesor, X/Y to displacement
Sensor, normal force transducer and Normal Displacement sensor；
The X/Y connects upper shear box to force snesor, acquires X/Y to shearing force；The X/Y is cut under connecting to displacement sensor
Box is cut, acquires X/Y to displacement data；
The Normal Displacement sensor connects pressure transmission plate, acquires the Normal Displacement of sample；
The normal force transducer connects normal direction pressurizing device, acquires normal direction force data.
As a further improvement of the present invention, the X to, Y-direction force snesor, normal force transducer be multrirange sensing
Device.
As a further improvement of the present invention, the normal direction pressurizing device is air pressure-loading, and is equipped with autocompensation installation.
As a further improvement of the present invention, the upper shear box, lower shear box prepare different specification size respectively, with full
Foot widely sample particle size range.
Beneficial effects of the present invention are as follows:
(1) apparatus structure is simple.The device can be processed by profession, and realization makes with existing the mating of direct shear test control device
With；
(2) air pressure-loading.Loading method simple and flexible, test plus off-load are convenient and efficient；
(3) use of the device breaches the technical bottleneck for finding contact surface weakness direction, realizes that contact surface is continuous two-way to be cut
The laboratory test cut；
(4) device can be used as conventional direct shear test device and use.
The device of the invention can effectively expand existing direct shear test research contact surface double direction shear stress deformation characteristic, be deep
The stress deformation for entering to study complex condition contact surface two layers of material coordinates characteristic and interaction mechanism provides technical support.
Detailed description of the invention
Fig. 1 is the host part schematic diagram of apparatus of the present invention；
Wherein, 1. X are to force snesor, and 2. X are to displacement sensor, 3. Normal Displacement sensors, 4. normal direction pressurizing devices, and 5.
Normal force transducer, 6. pressure transmission plates, shear box on 7., porous disc on 8., sample on 9., 10. lower samples, 11. is lower saturating
Water plate, 12. lower shear boxs, 13. water storage cases, 14. X direction guiding rails, 15. X to pushing meanss, 16. X to shearing transmission device,
17. Y-direction guide rail.
Fig. 2 is the upper shear box floor map of apparatus of the present invention；
Wherein, 1. X are to force snesor, shear box on 7., specimen finish on 18., and shear box X is to fixing bolt on 19., and 20.
Y-direction force snesor, shear box Y-direction fixing bolt on 21..
Fig. 3 is the lower shear box floor map of apparatus of the present invention；
Wherein, 2. X are to displacement sensor, 10. lower samples, 12. lower shear boxs, 13. water storage cases, 15. X to pushing meanss,
16. X shears transmission device to shearing transmission device, 22. Y-direction displacement sensors, 23. Y-direction pushing meanss, 24. Y-directions.
Specific embodiment
Explanation and specific embodiment are further elaborated technical solution of the present invention with reference to the accompanying drawing.
The experimental rig as shown in Fig. 1 ~ 3, including upper shear box 7, lower shear box 12, normal direction pressurizing device 4, X is to shearing
Transmission device 16, Y-direction shear transmission device 24, and X is to pushing meanss 15, Y-direction pushing meanss 23, and X/Y is to mobile device and data
Acquisition device.X/Y to mobile device include X direction guiding rail and Y-direction guide rail.Data acquisition device includes X to force snesor 1, Y-direction power
Sensor 20, X is to displacement sensor 2, Y-direction displacement sensor 22, Normal Displacement sensor 3, normal force transducer 5.
The test specimens to be checked 9,10 of interface test are accommodated in upper shear box 7, lower shear box 12 respectively；In the present embodiment,
Lower shear box is square cutouts face；With there are two types of the shear surface of size, respectively 100mm × 100mm and 250mm × 250mm, with
Meet the granular materials of different-grain diameter range；Upper shear box is set as circular cutout face, and size is respectivelyφ61.8mm andφ
101mm；The size of lower shear box 12 is greater than upper shear box 7, and the lower edge of upper shear box 7 is rounded to upwarp structure, is rubbed with reducing
It wipes, when test can also suitably smear vaseline.It is equipped in lower shear box 12 and 9 same size of sample upper in upper shear box 7
Lantern ring.
As shown in Figure 1, lower shear box 12 is placed in water storage case 13 in the present embodiment, lower 12 bottom of shear box is equipped with down
Porous disc 11, the lower sample 10 in lower shear box 12 pass through lower porous disc 11 and connect water storage case 13；Normal direction pressurizing device 4 is set to
Upper 7 upper end of shear box, for applying normal force to sample.Porous disc 8, pressure transmission are successively arranged on upper sample 9 in upper shear box 7
Plate 6, normal direction pressurizing device 4 apply normal force to pressure transmission plate 6, and normal direction pressurizing device 4 is equipped with normal force transducer 5, pressure transmission plate 6
Upper arrangement Normal Displacement sensor 3.As shown in Fig. 2, the X of upper shear box 9 passes through X to force snesor 1, Y-direction power to, Y-direction respectively
Sensor 20 is connected and fixed supreme shear box X to fixing bolt 19, upper shear box Y-direction fixing bolt 21.
As shown in Figure 1, Figure 3, X is separately connected X to pushing meanss to shearing transmission device 16, Y-direction shearing transmission device 24
15, Y-direction pushing meanss 23 and lower shear box 12, and be connected and fixed.X is arranged in displacement sensor 2 and Y-direction displacement sensor 22
13 outside of water storage case is simultaneously fixed on the base；X/Y is passed by X/Y to shearing under the action of normal force to pushing meanss 15/23
The dynamic downward shear box 12 of device 16/24 applies the shearing force in the direction X/Y.
X/Y is set to 12 lower section of lower shear box to mobile device, descend under the action of shear force shear box can along X/Y to
It is subjected to displacement.In the present embodiment, X/Y is made of to mobile device guide rail and ball.X direction guiding rail 14 is arranged at 13 bottom of water storage case
Portion, guide rail is interior to be equipped with ball；Y-direction guide rail 17 is arranged on the base, and ball is equipped in Y-direction guide rail 17.
In the present embodiment, normal force transducer 5, X to force snesor 1, Y-direction force snesor 20 be provided with 1kN, 3kN,
10kN, 30kN and 50kN, can satisfy the required precision of the contact surface shearing test of different tests material, and load applies by calculating
Machine control；Under the action of normal force, X to shearing transmission device 16 by X to pushing meanss 15 to lower shear box 12 apply X to
Shearing force, X are monitored from X to displacement sensor 2 to shear displacemant and by computer acquisitions, and X is to shearing force from X to force snesor 1
It monitors and by computer acquisition；Y-direction shears transmission device 24 and applies Y-direction shearing to lower shear box 12 by Y-direction pushing meanss 23
Power, Y-direction shear displacemant are monitored by Y-direction displacement sensor 22 and by computer acquisitions, and Y-direction shearing force is supervised by Y-direction force snesor 20
It surveys and by computer acquisition.The device both can first carry out X and shear to Y-direction after shearing, or after first carrying out Y-direction shearing X to shearing,
It can also be sheared simultaneously with X to Y-direction.
The contact surface double direction shear experimental rig of the present embodiment can reach following technical indicator:
(1) normal force transducer range: 0 ~ 50kN, precision 1%FS；
(2) X is to force snesor range: 0 ~ 50kN, precision 1%FS；
(3) Y-direction force snesor range: 0 ~ 50kN, precision 1%FS；
(4) Normal Displacement transducer range: 0 ~ 100mm, precision 0.1mm；
(5) X is to displacement sensor measurement range: 0 ~ 10mm, precision 0.01mm；
(6) Y-direction displacement sensor measurement range: 0 ~ 10mm, precision 0.01mm；
(7) specimen size: upper shear box specimen sizeφ61.8mm × 20mm andφ101mm × 40mm, lower shear box sample ruler
Very little 100mm × 100mm × 50mm and 250mm × 250mm × 150mm.
Claims (10)
1. a kind of contact surface double direction shear experimental rig, which is characterized in that including upper shear box, lower shear box, normal direction pressurization dress
It sets, X/Y is to shearing transmission device, X/Y to pushing meanss, X/Y to mobile device and data acquisition device；
The test specimens to be checked of interface test are accommodated in the upper shear box, lower shear box respectively；Upper shear box X/Y to leading to respectively
Corresponding fixed device is crossed to fix；
The normal direction pressurizing device is set to shear box upper end, for applying normal force to sample；
The X/Y is to shearing transmission device connection X/Y to pushing meanss and lower shear box, and X/Y is to pushing meanss in normal force
Effect it is lower by X/Y to the downward shear box of shearing transmission device apply X/Y to shearing force；
The X/Y is set to below lower shear box to mobile device, controls lower shear box under the action of shear force along X/Y to hair
Raw displacement；
Data acquisition device acquisition sample is under normal force effect along X/Y to displacement caused by occurring to shear and corresponding
Shearing force.
2. contact surface double direction shear experimental rig according to claim 1, which is characterized in that further include water storage case；It is described
Lower shear box is placed in water storage case, and lower shear box bottom is equipped with lower porous disc, and the sample in lower shear box passes through lower porous disc
It is connected to water storage case.
3. contact surface double direction shear experimental rig according to claim 1 or 2, which is characterized in that on the upper shear box
Portion is equipped with upper porous disc, and upper porous disc is equipped with pressure transmission plate；Normal direction pressurizing device applies normal force to sample by pressure transmission plate.
4. contact surface double direction shear experimental rig according to claim 1, which is characterized in that the X/Y is to mobile device
It is made of X/Y direction guiding rail and ball.
5. contact surface double direction shear experimental rig according to claim 4, which is characterized in that the experimental rig bottom is set
There is pedestal；The X direction guiding rail is set to water storage case bottom；Y-direction guide rail is set on pedestal.
6. contact surface double direction shear experimental rig according to claim 1, which is characterized in that the lower shear box is rectangular
Shear surface, upper shear box are circular cutout face；Lower shear box shear surface area is greater than the shear surface area of upper shear box.
7. contact surface double direction shear experimental rig according to claim 1 or 6, which is characterized in that the lower shear box
Size is greater than upper shear box, and the lantern ring with upper shear box sample same size is equipped in lower shear box.
8. contact surface double direction shear experimental rig according to claim 1, which is characterized in that the upper shear box it is following
Edge is rounded to upwarp structure.
9. contact surface double direction shear experimental rig according to claim 2, which is characterized in that the data acquisition device packet
X/Y is included to force snesor, X/Y to displacement sensor, normal force transducer and Normal Displacement sensor；
The X/Y connects upper shear box to force snesor, acquires X/Y to shearing force；
The X/Y connects lower shear box to displacement sensor, acquires X/Y to displacement data；
The Normal Displacement sensor connects pressure transmission plate, acquires the Normal Displacement of sample；
The normal force transducer connects normal direction pressurizing device, acquires normal direction force data.
10. contact surface double direction shear experimental rig according to claim 1, which is characterized in that the normal direction pressurizing device
For air pressure-loading, and it is equipped with autocompensation installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462069.9A CN110174317A (en) | 2019-05-30 | 2019-05-30 | Contact surface double direction shear experimental rig |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462069.9A CN110174317A (en) | 2019-05-30 | 2019-05-30 | Contact surface double direction shear experimental rig |
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| CN110174317A true CN110174317A (en) | 2019-08-27 |
Family
ID=67696768
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| CN201910462069.9A Pending CN110174317A (en) | 2019-05-30 | 2019-05-30 | Contact surface double direction shear experimental rig |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044388A (en) * | 2019-12-30 | 2020-04-21 | 石家庄铁道大学 | Low-stress horizontal direct shear test method |
| CN111398018A (en) * | 2020-03-30 | 2020-07-10 | 河海大学 | Rolling ball type soil body shearing type fracture failure test device |
| CN111398015A (en) * | 2020-03-30 | 2020-07-10 | 河海大学 | Test method for realizing pure II-type fracture of soil body by rolling friction |
| CN112284931A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock reciprocating shearing-temperature coupling and acoustic testing method |
| 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 |
| CN112284930A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock shearing-seepage coupling test method with acoustic test function |
| CN112284928A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock shearing-seepage coupling test system with acoustic test function |
| CN112284932A (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 system |
| CN112284927A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock reciprocating shearing-temperature coupling and acoustic testing system |
| CN112345383A (en) * | 2020-09-30 | 2021-02-09 | 华能澜沧江水电股份有限公司 | Multi-direction rock shearing test system capable of realizing acoustic emission test |
| CN112595607A (en) * | 2020-12-23 | 2021-04-02 | 中国建筑第四工程局有限公司 | Shear creep gauge for landfill liner system |
| CN112595606A (en) * | 2020-09-30 | 2021-04-02 | 华能澜沧江水电股份有限公司 | Multi-direction rock shearing test system capable of realizing ultrasonic testing |
| CN112683693A (en) * | 2020-12-09 | 2021-04-20 | 宁波大学 | Test system for shear strength size effect of rock mass structural plane with continuously adjustable sample size |
| CN112858043A (en) * | 2021-02-24 | 2021-05-28 | 同济大学 | Soil-structure contact surface shear test device capable of realizing bidirectional high-frequency vibration |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000292A (en) * | 2006-12-15 | 2007-07-18 | 清华大学 | Large 3D multifunction soil tester |
| CN203287266U (en) * | 2013-05-09 | 2013-11-13 | 深圳市工勘岩土工程有限公司 | Direct shear test device for rock-soil |
| CN207964508U (en) * | 2018-01-09 | 2018-10-12 | 长安大学 | A kind of circular pneumatic formula shear box three dimension stress direct shear apparatus |
-
2019
- 2019-05-30 CN CN201910462069.9A patent/CN110174317A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000292A (en) * | 2006-12-15 | 2007-07-18 | 清华大学 | Large 3D multifunction soil tester |
| CN203287266U (en) * | 2013-05-09 | 2013-11-13 | 深圳市工勘岩土工程有限公司 | Direct shear test device for rock-soil |
| CN207964508U (en) * | 2018-01-09 | 2018-10-12 | 长安大学 | A kind of circular pneumatic formula shear box three dimension stress direct shear apparatus |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044388A (en) * | 2019-12-30 | 2020-04-21 | 石家庄铁道大学 | Low-stress horizontal direct shear test method |
| CN111398018A (en) * | 2020-03-30 | 2020-07-10 | 河海大学 | Rolling ball type soil body shearing type fracture failure test device |
| CN111398015A (en) * | 2020-03-30 | 2020-07-10 | 河海大学 | Test method for realizing pure II-type fracture of soil body by rolling friction |
| CN112284928A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock shearing-seepage coupling test system with acoustic test function |
| 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 |
| CN112284930A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock shearing-seepage coupling test method with acoustic test function |
| CN112284931A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock reciprocating shearing-temperature coupling and acoustic testing method |
| CN112284932A (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 system |
| CN112284927A (en) * | 2020-09-30 | 2021-01-29 | 中国科学院武汉岩土力学研究所 | Multidirectional rock reciprocating shearing-temperature coupling and acoustic testing system |
| CN112345383A (en) * | 2020-09-30 | 2021-02-09 | 华能澜沧江水电股份有限公司 | Multi-direction rock shearing test system capable of realizing acoustic emission test |
| CN112595606A (en) * | 2020-09-30 | 2021-04-02 | 华能澜沧江水电股份有限公司 | Multi-direction rock shearing test system capable of realizing ultrasonic testing |
| CN112284927B (en) * | 2020-09-30 | 2022-02-01 | 中国科学院武汉岩土力学研究所 | Multidirectional rock reciprocating shearing-temperature coupling and acoustic testing system |
| CN112683693A (en) * | 2020-12-09 | 2021-04-20 | 宁波大学 | Test system for shear strength size effect of rock mass structural plane with continuously adjustable sample size |
| CN112595607A (en) * | 2020-12-23 | 2021-04-02 | 中国建筑第四工程局有限公司 | Shear creep gauge for landfill liner system |
| CN112858043A (en) * | 2021-02-24 | 2021-05-28 | 同济大学 | Soil-structure contact surface shear test device capable of realizing bidirectional high-frequency vibration |
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Application publication date: 20190827 |