CN110514535A - A kind of shear box device and its measuring method of the experiment of measurement intact rock any direction shear strength - Google Patents
A kind of shear box device and its measuring method of the experiment of measurement intact rock any direction shear strength Download PDFInfo
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- CN110514535A CN110514535A CN201910801322.9A CN201910801322A CN110514535A CN 110514535 A CN110514535 A CN 110514535A CN 201910801322 A CN201910801322 A CN 201910801322A CN 110514535 A CN110514535 A CN 110514535A
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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
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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
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- 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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to the shear box device and its measuring method of a kind of measurement intact rock any direction shear strength experiment, test specimen slot is equipped in top shear box and lower part shear box；Test specimen slot is circular slot, for placing shear direction upper rotatory plate and shear direction lower rotatory plate；Shear direction upper rotatory plate and shear direction lower rotatory plate are in round outside but spuare inside shape, and intermediate square hole be it is hollow, for placing rock sample；Two sides are equipped with two slideways being made of rolling bearing in the shear box of lower part, and rolling bearing highest point and shear box plane are in same plane；The center of top shear box is equipped with hollow cylinder for installing force-transmitting block, and test piece upper part gasket is equipped between force-transmitting block upper end and load plate；Load plate is arranged on the shear box of top.The device is simple, convenient and practical.
Description
Technical field
The invention belongs to rock mechanics technical fields, and in particular to a kind of measurement intact rock any direction shear strength is real
The shear box device and its measuring method tested.
Background technique
The shearing strength of rock is one of most important mechanical property of rock, the research of shear of rock intensity be to water conservancy,
The basis of the rock mass engineering research such as highway, railway and mine.Shearing resistance phase is obtained in the research of labs shear of rock intensity
Parameter and constitutive equation are closed, is provided the foundation theory for the construction and development of rock mass engineering project.
Rock shearing experiment at present is all the shearing strength for measuring a certain shear direction, obtains shearing relevant parameter etc..So
And either elements earthquake, volcano and geological structure or hand excavation and explosion etc. have the active force of rock mass
Uncertainty, this causes the shear direction of rock mass to have uncertainty.Therefore, in labs study of rocks different directions
Shear strength, the anisotropy of exploration and analysis shear strength facilitate the splitting scope of prediction rock, form and further recognize
Know the stability with research rock mass, provides fundamental basis to analyse in depth rock mass engineering project.
Summary of the invention
The present invention establishes a kind of shear box device of measurement intact rock any direction shear strength experiment, also provides
Its use and test method, the device are simple, convenient and practical.
To achieve the goals above, technical scheme is as follows:
A kind of shear box device of measurement intact rock any direction shear strength experiment, including top shear box, lower part
Shear box, test specimen slot, load plate, test piece upper part gasket, force-transmitting block, shear direction upper rotatory plate, shear direction lower rotatory plate and
Rolling bearing；
Test specimen slot is equipped in the top shear box and lower part shear box；
The test specimen slot is circular slot, for placing shear direction upper rotatory plate and shear direction lower rotatory plate；
The shear direction upper rotatory plate and shear direction lower rotatory plate are in round outside but spuare inside shape, and intermediate square hole is sky
The heart, for placing rock sample；
In the lower part shear box two sides be equipped with two slideways being made of rolling bearing, and rolling bearing highest point with cut
It cuts box plane and is in same plane；
The center of the top shear box is equipped with hollow cylinder for installing force-transmitting block, and force-transmitting block upper end and load plate it
Between be equipped with test piece upper part gasket；
The load plate is arranged on the shear box of top.
A kind of shear box device of measurement intact rock any direction shear strength experiment, priority scheme is institute
It states shear direction upper rotatory plate and is used to adjust the different shear directions for completing rock from shear direction lower rotatory plate, planar may be used
It is rotated by 360 °, the shear strength of any direction in intact rock one side can be measured.
A kind of shear box device of measurement intact rock any direction shear strength experiment, priority scheme is institute
Shear direction upper rotatory plate and shear direction lower rotatory plate are stated for fixing rock sample, and the direction of upper disk and lower wall rotation and
Angle is all the same.
A kind of shear box device of measurement intact rock any direction shear strength experiment, priority scheme is institute
Shear direction upper rotatory plate size identical as shear direction lower rotatory plate and size are stated, choosing is made from high grade steel.
A kind of shear box device of measurement intact rock any direction shear strength experiment, priority scheme is institute
It states force-transmitting block and test piece upper part gasket is all made of high-quality steel and is made.
A kind of measuring method of the shear box device of measurement intact rock any direction shear strength experiment, step is such as
Under:
1) shear direction lower rotatory plate is put into test specimen slot；Intact rock shear direction is determined, according to wholecircle protractor
Lower rotatory plate is put into the square groove of lower wall to testing shear direction, then by rock sample；
2) shear direction upper rotatory plate is inserted in rock sample, determines shear direction and secures rock sample；
3) top shear box 1 is inserted in shear direction upper rotatory plate；
4) force-transmitting block, upper gasket and load plate are successively put into from the center of top shear box；
5) apply normal pressure according to testing program loading system, apply shear stress later；Digital data recording system note
Record data；Rock structural face is scanned using three-dimensional laser scanner after test；The anisotropy of research structure face shearing strength, with
And the relationship of analysis structural plane roughness and shearing strength；
6) 3 test blocks are completed on each shear direction；The selection of 3 test blocks on each shear direction is according to velocity of wave
Test result, as a result approximately equal is one group.
The invention has the benefit that the shear box that the present invention is tested by establishing intact rock any direction shear strength
Device realizes the anisotropic measurement of any direction shear of rock intensity in shear surface on shearing experiment machine.According to cutting
Butt realizes the different shear directions of adjustment intact rock to upper rotatory plate and lower wall, can planar rotate 360 °, measurement
The shear strength of any direction in intact rock one side.It is provided for the anisotropic research of intact rock shearing strength
Device and method.
The present invention is mounted with slider roller in the shear box of lower part, and slider roller highest point and shear box face are in one and put down
In face, rolling bearing can reduce test error to avoid the frictional force of upper and lower shear box.
Shear direction upper rotatory plate and lower wall can be not only used for determining shear direction in the present invention, but also for fixing
Rock sample.
Detailed description of the invention
Fig. 1 shear box schematic diagram；
The lower part Fig. 2 shear box top view
Fig. 3 test specimen rotates schematic diagram；
The top Fig. 4 shear box top view.
Appended drawing reference: the top 1- shear box, the lower part 2- shear box, 3- test specimen 4- test specimen slot, 5- load plate, 6- test piece upper part
Gasket, 7- force-transmitting block, 8- shear direction upper rotatory plate, 9- shear direction lower rotatory plate, 10- rolling bearing.
Specific embodiment
Further detailed specific description is carried out to the embodiment of the present invention below in conjunction with attached drawing 1-4.
Intact rock any direction shear strength is measured to realize, it is strong that the present invention establishes the shearing of intact rock any direction
The shear box device of experiment is spent, the anisotropy of intact rock shear strength is studied.Apparatus of the present invention and test method simply and
It is practical.
Example 1
A kind of shear box device of measurement intact rock any direction shear strength experiment, it is characterised in that the shearing is box-packed
It sets by top shear box 1, lower part shear box 2, test specimen slot 4, load plate 5, test piece upper part gasket 6, force-transmitting block 7, shear direction turns
Dynamic upper disk 8, shear direction lower rotatory plate 9, rolling bearing 10.
Wherein:
The test specimen slot 4 is circular slot, for placing shear direction upper rotatory plate 8, shear direction lower rotatory plate 9,
The shape of the two rotating discs is similar to coin, round outside but spuare inside, and intermediate square hollow is used to place rock sample 3, the two
Rotating disc is using high-quality steel.
The shear direction upper rotatory plate 8 and lower wall 9 is used to adjust the different shear directions of intact rock, planar
360 ° can be rotated, the shear strength of any direction in intact rock one side is measured.
The shear direction upper rotatory plate 8 and lower wall 9 is also used for fixed rock sample.
The rotation direction and angle of the shear direction upper rotatory plate 8 and lower wall 9 are answered identical.
The shear direction upper rotatory plate 8 and lower wall 9 is identical size and size, the high-quality steel of material selection.Power transmission
Block and cushion block are using high-quality steel.
In the lower part shear box 2, the slideway being made of by two rolling bearing 10,10 highest point of rolling bearing and shearing
Box plane is in same plane.The friction that rolling bearing can generate in shearing test to avoid upper and lower part shear box reduces examination
Test error.Rolling bearing 10 is using no outer ring cylinder roller bearing.
In the top shear box 1, without rolling bearing.
The center of the top shear box 1 is hollow cylinder, and the material of shear box 1 and 2 is using high-quality steel.
Example 2
The measurement of the intact rock any direction shear strength experiment, its step are as follows:
1) shear direction lower rotatory plate 9 is put into test specimen slot 4；Intact rock shear direction is determined, according to wholecircle angulation
Device lower rotatory plate 9 is to experiment shear direction, then rock sample is put into the square groove of lower wall 9.
2) shear direction upper rotatory plate 8 is inserted in rock sample 3, determines shear direction and secures rock sample 3.
3) top shear box 1 is inserted in shear direction upper rotatory plate 8.
4) force-transmitting block 7, upper gasket 6 and load plate 5 are successively put into from the center of top shear box 1.
5) apply normal pressure according to testing program loading system, apply shear stress later；Digital data recording system note
Record data；Rock structural face is scanned using three-dimensional laser scanner after test；The anisotropy of research structure face shearing strength, with
And the relationship of analysis structural plane roughness and shearing strength.
6) 3 test blocks are completed on each shear direction；The selection of 3 test blocks on each shear direction is according to velocity of wave
Test result, as a result approximately equal is one group.
Said determination device and implementation steps are merely exemplary illustrates the principle of the present invention and its effect, not for limitation this
Invention.Any person skilled in the art all without departing from the spirit and scope of the present invention, carries out above-described embodiment and modifies.
Therefore, it is all belong in technical field have usually intellectual without departing from the spirit and technical ideas disclosed in the present invention institute it is complete
At all modification and it is perfect, should be covered by claim of the invention.
Claims (6)
1. a kind of shear box device of measurement intact rock any direction shear strength experiment, it is characterised in that: cut including top
Box, lower part shear box, test specimen slot, load plate, test piece upper part gasket, force-transmitting block, shear direction upper rotatory plate, shear direction is cut to turn
Dynamic lower wall and rolling bearing；
Test specimen slot is equipped in the top shear box and lower part shear box；
The test specimen slot is circular slot, for placing shear direction upper rotatory plate and shear direction lower rotatory plate；
The shear direction upper rotatory plate and shear direction lower rotatory plate are in round outside but spuare inside shape, and intermediate square hole is hollow, use
In placement rock sample；
Two sides are equipped with two slideways being made of rolling bearing, and rolling bearing highest point and shear box in the lower part shear box
Plane is in same plane；
The center of the top shear box is equipped with hollow cylinder for installing force-transmitting block, and sets between force-transmitting block upper end and load plate
There is test piece upper part gasket；
The load plate is arranged on the shear box of top.
2. a kind of shear box device of measurement intact rock any direction shear strength experiment according to claim 1,
Be characterized in that: the shear direction upper rotatory plate is used to adjust the different shearing sides for completing rock from shear direction lower rotatory plate
To planar rotatable 360 °, the shear strength of any direction in intact rock one side can be measured.
3. a kind of shear box device of measurement intact rock any direction shear strength experiment according to claim 1,
Be characterized in that: the shear direction upper rotatory plate and shear direction lower rotatory plate are for fixing rock sample, and upper disk and lower wall
The direction of rotation and angle are all the same.
4. a kind of shear box device of measurement intact rock any direction shear strength experiment according to claim 1,
Be characterized in that: shear direction upper rotatory plate size identical as shear direction lower rotatory plate and size select high-quality steel
At.
5. a kind of shear box device of measurement intact rock any direction shear strength experiment according to claim 1,
Be characterized in that: the force-transmitting block and test piece upper part gasket are all made of high-quality steel and are made.
6. a kind of survey of the shear box device of measurement intact rock any direction shear strength experiment according to claim 1
Determine method, its step are as follows:
1) shear direction lower rotatory plate is put into test specimen slot；It determines intact rock shear direction, is rotated according to wholecircle protractor
Lower wall is put into the square groove of lower wall to testing shear direction, then by rock sample；
2) shear direction upper rotatory plate is inserted in rock sample, determines shear direction and secures rock sample；
3) top shear box is inserted in shear direction upper rotatory plate；
4) force-transmitting block, upper gasket and load plate are successively put into from the center of top shear box；
5) apply normal pressure according to testing program loading system, apply shear stress later；Digital data recording system records number
According to；Rock structural face is scanned using three-dimensional laser scanner after test；The anisotropy of research structure face shearing strength, Yi Jifen
Analyse the relationship of structural plane roughness and shearing strength；
6) 3 test blocks are completed on each shear direction；The selection of 3 test blocks on each shear direction is according to wave velocity testing
As a result, it is one group that result is approximately equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801322.9A CN110514535A (en) | 2019-08-28 | 2019-08-28 | A kind of shear box device and its measuring method of the experiment of measurement intact rock any direction shear strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801322.9A CN110514535A (en) | 2019-08-28 | 2019-08-28 | A kind of shear box device and its measuring method of the experiment of measurement intact rock any direction shear strength |
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| Publication Number | Publication Date |
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| CN110514535A true CN110514535A (en) | 2019-11-29 |
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| CN201910801322.9A Pending CN110514535A (en) | 2019-08-28 | 2019-08-28 | A kind of shear box device and its measuring method of the experiment of measurement intact rock any direction shear strength |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109175A (en) * | 2021-03-01 | 2021-07-13 | 绍兴文理学院 | Rock stratum boundary layer multi-angle shear strength test device |
| CN114993854A (en) * | 2022-05-27 | 2022-09-02 | 东北大学 | High-temperature low-friction rock direct shear seepage coupling test device and method |
| CN116793861A (en) * | 2023-08-28 | 2023-09-22 | 安徽建筑大学 | Irregular rock mass shear test device |
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| CN201000410Y (en) * | 2007-01-23 | 2008-01-02 | 上海新三思计量仪器制造有限公司 | Rock shearing clamp |
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| CN207502278U (en) * | 2017-11-18 | 2018-06-15 | 长江大学 | Rock test block multi-angle shear |
| CN109738279A (en) * | 2019-01-28 | 2019-05-10 | 东北大学 | A kind of multi-angle rock shearing laboratory holder |
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Patent Citations (6)
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| CN201000410Y (en) * | 2007-01-23 | 2008-01-02 | 上海新三思计量仪器制造有限公司 | Rock shearing clamp |
| US20080216584A1 (en) * | 2007-03-09 | 2008-09-11 | Younane Abousleiman | Test cell for applying a shear stress to a test specimen |
| CN103674696A (en) * | 2013-12-26 | 2014-03-26 | 哈尔滨工业大学 | Multi-angle large-deformation shear test fixture of structure stress absorption layer of pavement |
| CN107132132A (en) * | 2017-05-15 | 2017-09-05 | 重庆大学 | Shearing test device and its test method for any angle rock rupture face |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109175A (en) * | 2021-03-01 | 2021-07-13 | 绍兴文理学院 | Rock stratum boundary layer multi-angle shear strength test device |
| CN113109175B (en) * | 2021-03-01 | 2024-06-04 | 绍兴文理学院 | Multi-angle shear strength test device for stratum boundary surface |
| CN114993854A (en) * | 2022-05-27 | 2022-09-02 | 东北大学 | High-temperature low-friction rock direct shear seepage coupling test device and method |
| CN116793861A (en) * | 2023-08-28 | 2023-09-22 | 安徽建筑大学 | Irregular rock mass shear test device |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qiao Liping Inventor after: Liu Huan Inventor after: Wang Zhechao Inventor after: Wang Shuhong Inventor before: Qiao Liping Inventor before: Liu Huan Inventor before: Wang Zhechao Inventor before: Wang Shuhong |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191129 |