CN109632472A - A kind of rock sample fixture and application method suitable for true triaxial tension test - Google Patents
A kind of rock sample fixture and application method suitable for true triaxial tension test Download PDFInfo
- Publication number
- CN109632472A CN109632472A CN201910034663.8A CN201910034663A CN109632472A CN 109632472 A CN109632472 A CN 109632472A CN 201910034663 A CN201910034663 A CN 201910034663A CN 109632472 A CN109632472 A CN 109632472A
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- fixture block
- transmission rod
- plate
- rock sample
- pressing plate
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Classifications
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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
- G01N3/04—Chucks
-
- 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
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- 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
-
- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0429—Chucks, fixtures, jaws, holders or anvils using adhesive bond; Gluing
Abstract
A kind of rock sample fixture and application method suitable for true triaxial tension test, fixture include normal direction positioning base, lower fixture block, upper fixture block, left fixture block, right fixture block and the pressure conversion pulling force component being made of left pressing plate, Zola's plate, right pressing plate, right pulling plate and four transmission rods.Method are as follows: sample is bonded between the fixture block of left and right；Antifriction material is smeared in lower upper fixture block clamping face, lower upper fixture block is fastened into sample upper and lower surface respectively, four fixture blocks and sample are bolted into assembly；It is dried after sample front and rear surfaces smear sealant, removes the bolt on assembly；First Zola's plate and left fixture block, right pulling plate and right fixture block are fixed together respectively, then four transmission rods, left pressing plate and right pressing plate are successively installed；Normal direction positioning base is installed to inside pressure chamber on push-down head, assembly lower fixture block is installed on normal direction positioning base, confining pressure room, confining pressure, normal stress and the tensile stress in minimum principal stress direction are successively applied, until tensile failure occurs for sample.
Description
Technical field
The invention belongs to Rock Mechanics Test technical fields, more particularly to a kind of rock suitable for true triaxial stretching experiment
Stone specimen holder and application method.
Background technique
The examining tensile behavior of rock material is good far away from Compressive Performance, and underground rock engineering excavates, and rock mass damage is largely
As caused by tensile failure, and tensile failure mechanism directly determines the stability and completeness of rock mass engineering project.
Currently, rock stretching experiment is broadly divided into uniaxial tensile test, Brazilian spilt test and normal triaxial stretching experiment.
For uniaxial tensile test, since the true crustal stress that rock is born is mostly triaxiality, and uniaxial tensile test is complete
Intermediate principal stress and minimum principal stress are not accounted for, experimental result is difficult to reflect truth.For Brazilian spilt test,
The stress state of rock sample is very complicated, greatly differs from each other with stress state when being uniaxially stretched, and leads to the tension measured in experiment
There are larger gaps with true value for intensity.For normal triaxial stretching experiment, since there are two lateral always for stress state
Stress be it is equal, be not inconsistent with actual conditions equally.
Therefore, it is necessary to which the rock stretching experiment under the conditions of carrying out true triaxial, could obtain closest to truly NOL ring
Rock stretching mechanic characteristic under border, but not can satisfy the rock sample fixture of true triaxial stretching experiment at present.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of rock sample folder suitable for true triaxial tension test
Tool and application method can effectively meet rock sample and carry out true triaxial stretching experiment, have rock sample in triaxiality
Under the conditions of carry out the ability of tensile failure, be of great significance to three-dimensional tensile strength criterion is constructed, Test in Situ engineering opened
Digging has important directive significance.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of rock suitable for true triaxial tension test
Stone specimen holder, including normal direction positioning base, lower fixture block, upper fixture block, left fixture block, right fixture block, left pressing plate, Zola's plate, right pressing plate,
Right pulling plate, the first transmission rod, the second transmission rod, third transmission rod and the 4th transmission rod；The lower fixture block is packed in normal direction positioning
Base upper surface, the upper fixture block are located at right above lower fixture block, and rock sample is located among lower fixture block and upper fixture block；The left folder
Block is located at rock sample left end, left fixture block be connected by bolt between upper fixture block and lower fixture block；The right fixture block is located at rock
Stone sample right end, right fixture block be connected by bolt between upper fixture block and lower fixture block；Zola's plate and left fixture block pass through spiral shell
Bolt is fixed together, and the right pulling plate is fixed together with right fixture block by bolt；The left pressing plate is located on the outside of Zola's plate,
The first transmission rod pilot hole and the second transmission rod pilot hole are offered on Zola's plate；The right pressing plate is located on the outside of right pulling plate,
Third transmission rod pilot hole and the 4th transmission rod pilot hole are offered on right pulling plate；First transmission rod one end is connected in right drawing
On plate, the first transmission rod other end passes through the first transmission rod pilot hole and is fixedly connected with left pressing plate；Second transmission rod one end is solid
It is connected on right pulling plate, the second transmission rod other end passes through the second transmission rod pilot hole and is fixedly connected with left pressing plate；The third power transmission
Bar one end is connected on Zola's plate, and the third transmission rod other end passes through third transmission rod pilot hole and is fixedly connected with right pressing plate；It is described
4th transmission rod one end is connected on Zola's plate, and it is mutually solid with right pressing plate that the 4th transmission rod other end passes through the 4th transmission rod pilot hole
Even；The left pressing plate, Zola's plate, right pressing plate and right pulling plate are parallel；First transmission rod, the second transmission rod, third power transmission
Bar and the 4th transmission rod are parallel and be uniformly distributed；By the left pressing plate, Zola's plate, right pressing plate, right pulling plate, the first transmission rod,
Second transmission rod, third transmission rod and the 4th transmission rod constitute pressure conversion pulling force component.
Sample limiting groove, the left end of rock sample and left folder are provided on the clamping face of the left fixture block and right fixture block
The sample limiting groove of block inserts cooperation, and the sample limiting groove inserting of the right end of rock sample and right fixture block cooperates.
The application method of the rock sample fixture suitable for true triaxial tension test, includes the following steps:
Step 1: uniformly smearing cementing agent in the sample limiting groove of left fixture block clamping face, by the left end of rock sample
Insertion is coated in the sample limiting groove of cementing agent, until cementing agent is fully cured, is connected in rock sample with left fixture block
Together；
Step 2: uniformly smearing cementing agent in the sample limiting groove of right fixture block clamping face, by the right end of rock sample
Insertion is coated in the sample limiting groove of cementing agent, until cementing agent is fully cured, is connected in rock sample with right fixture block
Together；
Step 3: antifriction material is smeared on the clamping face of lower fixture block and upper fixture block；
Step 4: fastening to rock sample upper surface for the upper fixture block clamping face for being coated with antifriction material, will using bolt
Upper fixture block is fixed together with left fixture block and right fixture block；
Step 5: fastening to rock sample lower surface for the lower fixture block clamping face for being coated with antifriction material, will using bolt
Lower fixture block is fixed together with left fixture block and right fixture block, at this time by rock sample, lower fixture block, upper fixture block, left fixture block and right fixture block
Constitute assembly；
Step 6: sealant is uniformly smeared in the front surface and rear surface of rock sample；
Step 7: the assembly for having smeared sealant is sent into drying box, until sealant is fully cured；
Step 8: connection lower fixture block and the bolt of left fixture block and right fixture block are unloaded, will connection upper fixture block and left fixture block and
The bolt of right fixture block unloads；
Zola's plate and left fixture block: being fixed together by step 9 by bolt, is consolidated right pulling plate and right fixture block by bolt
It connects together, then is sequentially completed the first transmission rod, the second transmission rod, third transmission rod, the 4th transmission rod, left pressing plate and right pressing plate
Installation；
Normal direction positioning base: being first installed on the push-down head inside the pressure chamber of true triaxial test machine by step 10, then will
The lower fixture block of assembly is installed on normal direction positioning base；
Step 11: confining pressure room first carries out confining pressure load, simulates the compression in intermediate principal stress direction, then carries out
Normal stress load, simulates the compression of biggest principal stress direction, horizontal direction stress loading is finally carried out, for simulating minimum master
The tensile stress of stress direction, until tensile failure occurs for rock sample.
Beneficial effects of the present invention:
Rock sample fixture and application method suitable for true triaxial tension test of the invention can effectively meet rock examination
Sample carries out true triaxial stretching experiment, so that rock sample is had the ability for carrying out tensile failure under the conditions of triaxiality, to structure
It builds three-dimensional tensile strength criterion to be of great significance, there is important directive significance to Test in Situ engineering excavation.
Detailed description of the invention
Fig. 1 is a kind of front view of rock sample fixture suitable for true triaxial tension test of the invention；
Fig. 2 is a kind of positive cross-sectional view of rock sample fixture suitable for true triaxial tension test of the invention；
Fig. 3 is the perspective view of pressure conversion pulling force component of the invention；
In figure, 1-normal direction positioning base, 2-lower fixture blocks, 3-upper fixture blocks, 4-left fixture blocks, 5-right fixture blocks, 6-left pressures
Plate, 7-Zola's plates, 8-right pressing plates, 9-right pulling plates, the 10-the first transmission rod, the 11-the second transmission rod, 12-third power transmissions
Bar, the 13-the four transmission rod, 14-rock samples.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figures 1 to 3, a kind of rock sample fixture suitable for true triaxial tension test, including normal direction positioning base
1, lower fixture block 2, upper fixture block 3, left fixture block 4, right fixture block 5, left pressing plate 6, Zola's plate 7, right pressing plate 8, right pulling plate 9, the first transmission rod
10, the second transmission rod 11, third transmission rod 12 and the 4th transmission rod 13；The lower fixture block 2 is packed in table on normal direction positioning base 1
Face, the upper fixture block 3 are located at right above lower fixture block 2, and rock sample 14 is located among lower fixture block 2 and upper fixture block 3；The left fixture block
4 are located at 14 left end of rock sample, and left fixture block 4 is connected by bolt between upper fixture block 3 and lower fixture block 2；The right fixture block 5
In 14 right end of rock sample, right fixture block 5 is connected by bolt between upper fixture block 3 and lower fixture block 2；Zola's plate 7 and a left side
Fixture block 4 is fixed together by bolt, and the right pulling plate 9 is fixed together with right fixture block 5 by bolt；The left pressing plate 6
In 7 outside of Zola's plate, the first transmission rod pilot hole and the second transmission rod pilot hole are offered on Zola's plate 7；The right pressing plate 8
Positioned at 9 outside of right pulling plate, third transmission rod pilot hole and the 4th transmission rod pilot hole are offered on right pulling plate 9；Described first
10 one end of transmission rod is connected on right pulling plate 9, and 10 other end of the first transmission rod passes through the first transmission rod pilot hole and 6 phase of left pressing plate
It is connected；Described second transmission rod, 11 one end is connected on right pulling plate 9, and 11 other end of the second transmission rod is oriented to across the second transmission rod
Hole is fixedly connected with left pressing plate 6；Described 12 one end of third transmission rod is connected on Zola's plate 7, and 12 other end of third transmission rod passes through
Third transmission rod pilot hole is fixedly connected with right pressing plate 8；Described 4th transmission rod, 13 one end is connected on Zola's plate 7, the 4th power transmission
13 other end of bar passes through the 4th transmission rod pilot hole and is fixedly connected with right pressing plate 8；The left pressing plate 6, Zola's plate 7, right pressing plate 8 and the right side
Pulling plate 9 is parallel；First transmission rod 10, the second transmission rod 11, third transmission rod 12 and the 4th transmission rod 13 it is parallel and
It is uniformly distributed；By the left pressing plate 6, Zola's plate 7, right pressing plate 8, right pulling plate 9, the first transmission rod 10, the second transmission rod 11, third
Transmission rod 12 and the 4th transmission rod 13 constitute pressure conversion pulling force component.
Be provided with sample limiting groove on the clamping face of the left fixture block 4 and right fixture block 5, the left end of rock sample 14 with
The sample limiting groove of left fixture block 4 inserts cooperation, and the right end of rock sample 14 and the sample limiting groove inserting of right fixture block 5 are matched
It closes.
In the present embodiment, the size of rock sample 14 is 100mm × 50mm × 50mm, and cementing agent uses epoxy resin.
The application method of the rock sample fixture suitable for true triaxial tension test, includes the following steps:
Step 1: cementing agent is uniformly smeared in the sample limiting groove of left 4 clamping face of fixture block, by a left side for rock sample 14
End (end face of 50mm × 50mm) insertion is coated in the sample limiting groove of cementing agent, until cementing agent is fully cured, makes rock
Stone sample 14 is fixed together with left fixture block 4；
Step 2: cementing agent is uniformly smeared in the sample limiting groove of right 5 clamping face of fixture block, by the right side of rock sample 14
End (end face of 50mm × 50mm) insertion is coated in the sample limiting groove of cementing agent, until cementing agent is fully cured, makes rock
Stone sample 14 is fixed together with right fixture block 5；
Step 3: antifriction material is smeared on the clamping face of lower fixture block 2 and upper fixture block 3；
Step 4: by 3 clamping face of upper fixture block for being coated with antifriction material fasten to 14 upper surface of rock sample (100mm ×
The end face of 50mm), upper fixture block 3 and left fixture block 4 and right fixture block 5 are fixed together using bolt；
Step 5: by 2 clamping face of lower fixture block for being coated with antifriction material fasten to 14 lower surface of rock sample (100mm ×
The end face of 50mm), lower fixture block 2 and left fixture block 4 and right fixture block 5 are fixed together using bolt, at this time by rock sample 14, under
Fixture block 2, upper fixture block 3, left fixture block 4 and right fixture block 5 constitute assembly；
Step 6: sealant is uniformly smeared in the front surface and rear surface of rock sample 14；
Step 7: the assembly for having smeared sealant is sent into drying box, until sealant is fully cured；
Step 8: connection lower fixture block 2 and the bolt of left fixture block 4 and right fixture block 5 are unloaded, by connection upper fixture block 3 and left folder
The bolt of block 4 and right fixture block 5 unloads；
Zola's plate 7 and left fixture block 4: being fixed together by step 9 by bolt, by bolt by right pulling plate 9 and right fixture block
5 are fixed together, then are sequentially completed the first transmission rod 10, the second transmission rod 11, third transmission rod 12, the 4th transmission rod 13, a left side
The installation of pressing plate 6 and right pressing plate 8；
Normal direction positioning base 1: being first installed on the push-down head inside the pressure chamber of true triaxial test machine by step 10, then will
The lower fixture block 2 of assembly is installed on normal direction positioning base 1；
Step 11: confining pressure room first carries out confining pressure load, simulates the compression in intermediate principal stress direction, then carries out
Normal stress load, simulates the compression of biggest principal stress direction, horizontal direction stress loading is finally carried out, for simulating minimum master
The tensile stress of stress direction, until tensile failure occurs for rock sample 14.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (3)
1. a kind of rock sample fixture suitable for true triaxial tension test, it is characterised in that: including normal direction positioning base, lower folder
Block, upper fixture block, left fixture block, right fixture block, left pressing plate, Zola's plate, right pressing plate, right pulling plate, the first transmission rod, the second transmission rod,
Three transmission rods and the 4th transmission rod；The lower fixture block is packed in normal direction positioning base upper surface, and the upper fixture block is located at lower fixture block
Surface, rock sample are located among lower fixture block and upper fixture block；The left fixture block is located at rock sample left end, left fixture block and upper folder
It is connected by bolt between block and lower fixture block；The right fixture block is located at rock sample right end, right fixture block and upper fixture block and lower folder
It is connected by bolt between block；Zola's plate is fixed together with left fixture block by bolt, the right pulling plate and right fixture block
It is fixed together by bolt；The left pressing plate is located on the outside of Zola's plate, and the first transmission rod pilot hole is offered on Zola's plate
With the second transmission rod pilot hole；The right pressing plate is located on the outside of right pulling plate, and third transmission rod pilot hole is offered on right pulling plate
With the 4th transmission rod pilot hole；First transmission rod one end is connected on right pulling plate, and the first transmission rod other end passes through first
Transmission rod pilot hole is fixedly connected with left pressing plate；Second transmission rod one end is connected on right pulling plate, the second transmission rod other end
It is fixedly connected with across the second transmission rod pilot hole with left pressing plate；Third transmission rod one end is connected on Zola's plate, third power transmission
The bar other end passes through third transmission rod pilot hole and is fixedly connected with right pressing plate；Described 4th transmission rod one end is connected on Zola's plate,
The 4th transmission rod other end passes through the 4th transmission rod pilot hole and is fixedly connected with right pressing plate；The left pressing plate, Zola's plate, right pressing plate and
Right pulling plate is parallel；First transmission rod, the second transmission rod, third transmission rod and parallel and uniform point of the 4th transmission rod
Cloth；It is passed by the left pressing plate, Zola's plate, right pressing plate, right pulling plate, the first transmission rod, the second transmission rod, third transmission rod and the 4th
Power bar constitutes pressure conversion pulling force component.
2. a kind of rock sample fixture suitable for true triaxial tension test according to claim 1, it is characterised in that: institute
It states and is provided with sample limiting groove on the clamping face of left fixture block and right fixture block, the sample of the left end of rock sample and left fixture block limits
The sample limiting groove of position groove inserting cooperation, the right end of rock sample and right fixture block, which inserts, to be cooperated.
3. the application method of the rock sample fixture described in claim 1 suitable for true triaxial tension test, it is characterised in that
Include the following steps:
Step 1: uniformly smearing cementing agent in the sample limiting groove of left fixture block clamping face, and the left end of rock sample is inserted into
It is coated in the sample limiting groove of cementing agent, until cementing agent is fully cured, rock sample is made to be fixed together with left fixture block；
Step 2: uniformly smearing cementing agent in the sample limiting groove of right fixture block clamping face, and the right end of rock sample is inserted into
It is coated in the sample limiting groove of cementing agent, until cementing agent is fully cured, rock sample is made to be fixed together with right fixture block；
Step 3: antifriction material is smeared on the clamping face of lower fixture block and upper fixture block；
Step 4: fastening to rock sample upper surface for the upper fixture block clamping face for being coated with antifriction material, using bolt by upper folder
Block is fixed together with left fixture block and right fixture block；
Step 5: fastening to rock sample lower surface for the lower fixture block clamping face for being coated with antifriction material, using bolt by lower folder
Block is fixed together with left fixture block and right fixture block, is made of at this time rock sample, lower fixture block, upper fixture block, left fixture block and right fixture block
Assembly；
Step 6: sealant is uniformly smeared in the front surface and rear surface of rock sample；
Step 7: the assembly for having smeared sealant is sent into drying box, until sealant is fully cured；
Step 8: connection lower fixture block and the bolt of left fixture block and right fixture block are unloaded, by connection upper fixture block and left fixture block and right folder
The bolt of block unloads；
Zola's plate and left fixture block: being fixed together by step 9 by bolt, is connected in right pulling plate and right fixture block by bolt
Together, then it is sequentially completed the peace of the first transmission rod, the second transmission rod, third transmission rod, the 4th transmission rod, left pressing plate and right pressing plate
Dress；
Normal direction positioning base: being first installed on the push-down head inside the pressure chamber of true triaxial test machine by step 10, then will combination
The lower fixture block of body is installed on normal direction positioning base；
Step 11: confining pressure room first carries out confining pressure load, simulates the compression in intermediate principal stress direction, then carries out normal direction
Stress loading simulates the compression of biggest principal stress direction, horizontal direction stress loading is finally carried out, for simulating minimum principal stress
The tensile stress in direction, until tensile failure occurs for rock sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034663.8A CN109632472A (en) | 2019-01-15 | 2019-01-15 | A kind of rock sample fixture and application method suitable for true triaxial tension test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034663.8A CN109632472A (en) | 2019-01-15 | 2019-01-15 | A kind of rock sample fixture and application method suitable for true triaxial tension test |
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| Publication Number | Publication Date |
|---|---|
| CN109632472A true CN109632472A (en) | 2019-04-16 |
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ID=66060869
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034663.8A Pending CN109632472A (en) | 2019-01-15 | 2019-01-15 | A kind of rock sample fixture and application method suitable for true triaxial tension test |
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| Country | Link |
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| CN (1) | CN109632472A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552323A (en) * | 2021-08-03 | 2021-10-26 | 山西银锋科技有限公司 | High-pressure rock grouting test experiment system and test method thereof |
| CN115561083A (en) * | 2022-11-10 | 2023-01-03 | 中国矿业大学(北京) | Deep rock mass dynamic performance test system and method |
| CN115639059A (en) * | 2022-12-23 | 2023-01-24 | 中国矿业大学(北京) | Rock tension and compression composite true triaxial loading clamp |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991332A (en) * | 2005-12-26 | 2007-07-04 | 同济大学 | Pressing-drawing converter for rock sample piece direct tensile test |
| CN103323329A (en) * | 2013-07-08 | 2013-09-25 | 山东大学 | Test method for performing rock direct stretching by using axial centering positioning device |
| CN104596850A (en) * | 2015-02-03 | 2015-05-06 | 中国电建集团成都勘测设计研究院有限公司 | Rock axial tension test device and rock axial tension test device |
| CN105865925A (en) * | 2016-06-22 | 2016-08-17 | 广西大学 | Device for utilizing real triaxial testing machine to realize rock biaxial tension test |
| CN106813980A (en) * | 2017-02-09 | 2017-06-09 | 赵江霞 | True triaxial dynamic tensile experimental rig |
| CN206248434U (en) * | 2016-11-30 | 2017-06-13 | 重庆科技学院 | Rock Under Uniaxial Compression tension and compression conversion equipment |
| WO2018052132A1 (en) * | 2016-09-15 | 2018-03-22 | 国立大学法人東京工業大学 | Triaxial dynamic testing machine |
| CN107991176A (en) * | 2018-01-30 | 2018-05-04 | 中南大学 | A kind of tensile test apparatus and its method of three axis of rock |
-
2019
- 2019-01-15 CN CN201910034663.8A patent/CN109632472A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1991332A (en) * | 2005-12-26 | 2007-07-04 | 同济大学 | Pressing-drawing converter for rock sample piece direct tensile test |
| CN103323329A (en) * | 2013-07-08 | 2013-09-25 | 山东大学 | Test method for performing rock direct stretching by using axial centering positioning device |
| CN104596850A (en) * | 2015-02-03 | 2015-05-06 | 中国电建集团成都勘测设计研究院有限公司 | Rock axial tension test device and rock axial tension test device |
| CN105865925A (en) * | 2016-06-22 | 2016-08-17 | 广西大学 | Device for utilizing real triaxial testing machine to realize rock biaxial tension test |
| WO2018052132A1 (en) * | 2016-09-15 | 2018-03-22 | 国立大学法人東京工業大学 | Triaxial dynamic testing machine |
| CN206248434U (en) * | 2016-11-30 | 2017-06-13 | 重庆科技学院 | Rock Under Uniaxial Compression tension and compression conversion equipment |
| CN106813980A (en) * | 2017-02-09 | 2017-06-09 | 赵江霞 | True triaxial dynamic tensile experimental rig |
| CN107991176A (en) * | 2018-01-30 | 2018-05-04 | 中南大学 | A kind of tensile test apparatus and its method of three axis of rock |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552323A (en) * | 2021-08-03 | 2021-10-26 | 山西银锋科技有限公司 | High-pressure rock grouting test experiment system and test method thereof |
| CN115561083A (en) * | 2022-11-10 | 2023-01-03 | 中国矿业大学(北京) | Deep rock mass dynamic performance test system and method |
| CN115561083B (en) * | 2022-11-10 | 2023-03-03 | 中国矿业大学(北京) | Deep rock mass dynamic performance test system and method |
| CN115639059A (en) * | 2022-12-23 | 2023-01-24 | 中国矿业大学(北京) | Rock tension and compression composite true triaxial loading clamp |
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