CN110196191A - The multiaxial experiment device of material damage feature under a kind of analog complex stress condition - Google Patents
The multiaxial experiment device of material damage feature under a kind of analog complex stress condition Download PDFInfo
- Publication number
- CN110196191A CN110196191A CN201910450959.8A CN201910450959A CN110196191A CN 110196191 A CN110196191 A CN 110196191A CN 201910450959 A CN201910450959 A CN 201910450959A CN 110196191 A CN110196191 A CN 110196191A
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- China
- Prior art keywords
- hydraulic
- loading axis
- storehouse
- stress condition
- load controller
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- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000002474 experimental method Methods 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 238000005086 pumping Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 230000001066 destructive effect Effects 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 6
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- 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
- G01N2203/0019—Compressive
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- 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
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0266—Cylindrical specimens
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 multiaxial experiment devices of material damage feature under analog complex stress condition, testing stand is equipped with bracket and regulating device, pedestal upper end is equipped with upper load controller, upper loading axis is equipped in upper load controller, testing stand is equipped with lower load controller, lower loading axis is equipped in lower load controller, upper loading axis and lower loading axis are correspondingly arranged, multiaxis confining pressure mechanism is equipped on testing stand between upper loading axis and lower loading axis, multiaxis confining pressure mechanism includes hydraulic pumping device, hydraulic tube, inner membrance, outer wall and partition, inner membrance besieged city region forms test storehouse, multiple partitions are set between inner membrance and outer wall, and it abuts against to form multiple hydraulic storehouses with inner membrance and outer wall respectively, hydraulic storehouse is connected by hydraulic tube with hydraulic pumping device, the different hydraulic storehouse of the present invention generates different pressure to test storehouse by inner membrance, The destructive characteristics for being located at material in test storehouse under complex stress condition are simulated, realize the stress test of multiaxis difference.
Description
Technical field
It is special that the present invention relates to material damages under experiment of machanics apparatus field more particularly to a kind of analog complex stress condition
The multiaxial experiment device of sign.
Background technique
In existing Rock Mechanics Test, cylindrical sample confining pressure is substantially coincident and unique, cannot be in a rock
The difference of sample radially applies different confining pressures, embodies the ess-strain of rock under various stress in order to be more accurate
Material damage feature under relationship, particularly complex stress condition, study of rocks different directions apply different confining pressures and lead in each engineering
Have great importance in domain.
Summary of the invention
The purpose of the present invention is to provide a kind of multiaxial experiment dresses of material damage feature under analog complex stress condition
It sets, different hydraulic storehouses generates different stress (pressure) test storehouse by inner membrance, simulates to be located under complex stress condition and survey
The destructive characteristics of material in storehouse are tried, realize the stress test of multiaxis difference；It can be finely adjusted, be realized different by manual pressure button
Axial hydraulic storehouse generates different stress.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: material is broken under a kind of analog complex stress condition
The multiaxial experiment device of bad feature, including testing stand, the testing stand are equipped with bracket and regulating device, the upper end of the bracket
Equipped with upper load controller, it is equipped with upper loading axis in the upper load controller, is located at below bracket on the testing stand and sets
There is lower load controller, is equipped with lower loading axis in the lower load controller, the upper loading axis and lower loading axis are correspondingly arranged,
Multiaxis confining pressure mechanism is equipped on the testing stand between upper loading axis and lower loading axis, multiaxis confining pressure mechanism includes liquid
Pump feeder, hydraulic tube, inner membrance, outer wall and partition are pressed, inner membrance besieged city region forms test storehouse, and multiple partitions are set to
Between inner membrance and outer wall, and abut against to form multiple hydraulic storehouses with inner membrance and outer wall respectively, the hydraulic storehouse by hydraulic tube with
Hydraulic pumping device is connected.
As further optimization, the testing stand upper end is equipped with backing plate, and multiaxis confining pressure mechanism is set on backing plate.
As further optimization, the upper loading axis, lower loading axis and test storehouse central axes having the same.
As further optimization, the lower end of the upper loading axis is equipped with the first rigid gasket, the lower loading axis it is upper
End is equipped with the second rigid gasket.
As further optimization, the regulating device includes axis pressure adjuster and total hydraulic control, the axis pressure
Adjuster by upper load controller and lower load controller respectively drives upper loading axis and lower loading axis moves toward one another or reversely
Movement.
As further optimization, total hydraulic control be equipped with the hydralic pressure gauge to match with hydraulic storehouse number and
Manual pressure button.
As further optimization, the number in the hydraulic storehouse is 10 to 30, and structure having the same.
Compared with prior art, the present invention has the following beneficial effects:
1. making different hydraulic storehouses generate different stress (pressure to test storehouse by inner membrance by hydraulic tube by hydraulic pumping device
Power), compression rate is identical during the test, final pressure value is identical in hydraulic storehouse on same axis, not hydraulic on coaxial line
Storehouse can apply different pressure respectively and realize different confining pressures, be located at material in test storehouse under complex stress condition to simulate
Destructive characteristics realize the stress test of multiaxis difference；
It 2. can find out the pressure in each hydraulic storehouse from hydralic pressure gauge, and can be finely adjusted, be realized different by manual pressure button
Axial hydraulic storehouse generates different stress.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the horizontal cross-section schematic diagram of multiaxis confining pressure of the present invention mechanism.
In figure, 1. testing stands；2. bracket；3. lower loading axis；Loading axis on 4.；5. multiaxis confining pressure mechanism；6. axis pressure is adjusted
Device；7. total hydraulic control；31. lower load controller；32. the second rigid gasket；41. controller is loaded on；42. first just
Property gasket；51. inner membrance；52. outer wall；53. partition；54. hydraulic pumping device；55. hydraulic tube；71. hydralic pressure gauge；72. manual pressure
Button；500. backing plate；501. test storehouses；502. hydraulic storehouses.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Fig. 1 to 2, the multiaxial experiment device of material damage feature under a kind of analog complex stress condition, including
Testing stand 1, testing stand 1 are equipped with bracket 2 and regulating device, and the upper end of bracket 2 is equipped with upper load controller 41, upper load control
Upper loading axis 4 is equipped in device 41, the lower section that bracket 2 is located on testing stand 1 is equipped with lower load controller 31, lower load controller 31
Interior to be equipped with lower loading axis 3, upper loading axis 4 and lower loading axis 3 are correspondingly arranged, and upper loading axis 4 and lower loading axis are located on testing stand 1
Multiaxis confining pressure mechanism 5 is equipped between 3, multiaxis confining pressure mechanism 5 includes hydraulic pumping device 54, hydraulic tube 55, inner membrance 51,52 and of outer wall
Partition 53, inner membrance 51 has enough rigidity, and can transmit hydraulic pressure, and the besieged city of inner membrance 51 region forms test storehouse 501, multiple
53 both ends of partition pass through welding respectively and are set between inner membrance 51 and outer wall 52, and abut against shape with inner membrance 51 and outer wall 52 respectively
At multiple hydraulic storehouses 502, hydraulic storehouse 502 is connected by hydraulic tube 55 with hydraulic pumping device 54, and hydraulic pumping device can quickly
It will complete to be pressurized in hydraulic storehouse evenly.
Multiaxis confining pressure mechanism 5 is made of several hydraulic storehouses, hydraulic pumping device and hydraulic tube, in multiaxis confining pressure mechanism not
Hydraulic pumping device and hydraulic tube engaged therewith are corresponded respectively to hydraulic storehouse, can be made not by hydraulic pumping device by hydraulic tube
Same hydraulic storehouse generates different stress (pressure) to test storehouse by inner membrance, and hydraulic storehouse adds during the test on same axis
Press that rate is identical, final pressure value is identical, the hydraulic storehouse on coaxial line can not apply different pressure respectively and realize different enclose
Pressure realizes the stress test of multiaxis difference to simulate the destructive characteristics for being located at material in test storehouse under complex stress condition.
1 upper end of testing stand is equipped with backing plate 500, and multiaxis confining pressure mechanism 5 is set on backing plate 500, can be used for that multiaxis is kept to enclose
The stability of press mechanism.
Upper loading axis 4, lower loading axis 3 and the test central axes having the same of storehouse 501, the spindle nose of upper and lower loading axis is by rigidity
Material is made, and load spindle nose is cleaned out before experiment up and down adds moderate lubrication oil.
The lower end of upper loading axis 4 is equipped with the first rigid gasket 42, and the upper end of lower loading axis 3 is equipped with the second rigid gasket 32,
It is respectively provided with smooth rigid gasket on load spindle nose up and down, in order to which sample axis presses uniform force in loading procedure.
Regulating device includes axis pressure adjuster 6 and total hydraulic control 7, and axis pressure adjuster 6 passes through upper load controller
41 and lower load controller 31 respectively drives loading axis 4 and lower loading axis 3 moves toward one another or counter motion, load control up and down
Device can be accomplished uniformly to pressurize in harmony, compression rate can be adjusted according to test requirements document by axis pressure adjuster control.
Total hydraulic control 7 is equipped with the hydralic pressure gauge 71 and manual pressure button 72 to match with 502, hydraulic storehouse number,
The pressure in each hydraulic storehouse can be found out from hydralic pressure gauge, and can be finely adjusted by manual pressure button, it can be achieved that different hydraulic
Storehouse provides material different pressure, and multiaxis is made to have different stress.
The number in hydraulic storehouse 502 is 10 to 30, and structure having the same.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. the multiaxial experiment device of material damage feature under a kind of analog complex stress condition, including testing stand (1), the examination
Platform (1) is tested equipped with bracket (2) and regulating device, which is characterized in that the upper end of the bracket (2) is equipped with upper load controller
(41), upper loading axis (4) are equipped in the upper load controller (41), are located at below bracket (2) on the testing stand (1) and set
Have a lower load controller (31), be equipped with lower loading axis (3) in the lower load controller (31), the upper loading axis (4) and under
Loading axis (3) is correspondingly arranged, and is equipped with multiaxis confining pressure on the testing stand (1) between upper loading axis (4) and lower loading axis (3)
Mechanism (5), multiaxis confining pressure mechanism (5) include hydraulic pumping device (54), hydraulic tube (55), inner membrance (51), outer wall (52) and
Partition (53), the inner membrance (51) besieged city region form test storehouse (501), multiple partitions (53) be set to inner membrance (51) and
Between outer wall (52), and abut against to form multiple hydraulic storehouses (502), the hydraulic storehouse with inner membrance (51) and outer wall (52) respectively
(502) it is connected by hydraulic tube (55) with hydraulic pumping device (54).
2. the multiaxial experiment device of material damage feature under analog complex stress condition according to claim 1, special
Sign is that testing stand (1) upper end is equipped with backing plate (500), and multiaxis confining pressure mechanism (5) is set on backing plate (500).
3. the multiaxial experiment device of material damage feature under analog complex stress condition according to claim 1, special
Sign is, the upper loading axis (4), lower loading axis (3) and test storehouse (501) central axes having the same.
4. the multiaxial experiment device of material damage feature under analog complex stress condition according to claim 1, special
Sign is, the lower end of the upper loading axis (4) is equipped with the first rigid gasket (42), and the upper end of the lower loading axis (3) is equipped with the
Two rigid gaskets (32).
5. the multiaxial experiment device of material damage feature under analog complex stress condition according to claim 1, special
Sign is that the regulating device includes axis pressure adjuster (6) and total hydraulic control (7), and axis pressure adjuster (6) passes through
Upper load controller (41) and lower load controller (31) respectively drive loading axis (4) and lower loading axis (3) moves toward one another or
Counter motion.
6. the multiaxial experiment device of material damage feature under analog complex stress condition according to claim 5, special
Sign is that total hydraulic control (7) is equipped with the hydralic pressure gauge (71) to match with hydraulic storehouse (502) number and adds manually
Press button (72).
7. the multiaxial experiment device of material damage feature under analog complex stress condition according to claim 1, special
Sign is that the number of the hydraulic storehouse (502) is 10 to 30, and structure having the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450959.8A CN110196191A (en) | 2019-05-28 | 2019-05-28 | The multiaxial experiment device of material damage feature under a kind of analog complex stress condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910450959.8A CN110196191A (en) | 2019-05-28 | 2019-05-28 | The multiaxial experiment device of material damage feature under a kind of analog complex stress condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110196191A true CN110196191A (en) | 2019-09-03 |
Family
ID=67753210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910450959.8A Pending CN110196191A (en) | 2019-05-28 | 2019-05-28 | The multiaxial experiment device of material damage feature under a kind of analog complex stress condition |
Country Status (1)
| Country | Link |
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| CN (1) | CN110196191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112664A (en) * | 2021-11-20 | 2022-03-01 | 中国人民解放军国防科技大学 | Constant confining pressure loading experimental device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5379645A (en) * | 1991-02-01 | 1995-01-10 | Heriot-Watt University | Test cell for applying directionally variable three dimensional stress fields to a test specimen |
| CN101398355A (en) * | 2008-10-31 | 2009-04-01 | 清华大学 | Three-axis infiltration experiment device |
| CN102252910A (en) * | 2011-06-10 | 2011-11-23 | 长江水利委员会长江科学院 | True triaxial testing device for servo control rock |
| CN105606455A (en) * | 2016-03-22 | 2016-05-25 | 西南石油大学 | Testing apparatus and method for mechanically simulating confining pressure of sleeve pipe |
| CN205426682U (en) * | 2016-03-16 | 2016-08-03 | 西安科技大学 | Cylindrical rock specimen confined pressure loading analogue test device |
| CN106092756A (en) * | 2016-06-07 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of hollow ring shear apparatus applying confined pressure |
| CN107101875A (en) * | 2017-06-15 | 2017-08-29 | 北京科技大学 | The universal high pressure confined pressure calibration instrument of many bores of hollow inclusion geostress survey self sealss |
| CN207570982U (en) * | 2017-12-01 | 2018-07-03 | 贵州大学 | A kind of true triaxial Seepage Experiment structure for applying non-uniform load |
| CN207570997U (en) * | 2017-12-19 | 2018-07-03 | 浙江大学 | A kind of stress state and the controllable hollow cylinder interface torsion shear apparatus of load path |
| CN109490086A (en) * | 2018-12-24 | 2019-03-19 | 山东科技大学 | A kind of supporting roadway surrounding rock strength test device and strength determining method |
-
2019
- 2019-05-28 CN CN201910450959.8A patent/CN110196191A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5379645A (en) * | 1991-02-01 | 1995-01-10 | Heriot-Watt University | Test cell for applying directionally variable three dimensional stress fields to a test specimen |
| CN101398355A (en) * | 2008-10-31 | 2009-04-01 | 清华大学 | Three-axis infiltration experiment device |
| CN102252910A (en) * | 2011-06-10 | 2011-11-23 | 长江水利委员会长江科学院 | True triaxial testing device for servo control rock |
| CN205426682U (en) * | 2016-03-16 | 2016-08-03 | 西安科技大学 | Cylindrical rock specimen confined pressure loading analogue test device |
| CN105606455A (en) * | 2016-03-22 | 2016-05-25 | 西南石油大学 | Testing apparatus and method for mechanically simulating confining pressure of sleeve pipe |
| CN106092756A (en) * | 2016-06-07 | 2016-11-09 | 中国科学院武汉岩土力学研究所 | A kind of hollow ring shear apparatus applying confined pressure |
| CN107101875A (en) * | 2017-06-15 | 2017-08-29 | 北京科技大学 | The universal high pressure confined pressure calibration instrument of many bores of hollow inclusion geostress survey self sealss |
| CN207570982U (en) * | 2017-12-01 | 2018-07-03 | 贵州大学 | A kind of true triaxial Seepage Experiment structure for applying non-uniform load |
| CN207570997U (en) * | 2017-12-19 | 2018-07-03 | 浙江大学 | A kind of stress state and the controllable hollow cylinder interface torsion shear apparatus of load path |
| CN109490086A (en) * | 2018-12-24 | 2019-03-19 | 山东科技大学 | A kind of supporting roadway surrounding rock strength test device and strength determining method |
Non-Patent Citations (3)
| Title |
|---|
| 李文璞: "采动影响下煤岩力学特性及瓦斯运移规律研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
| 李文璞: "采动影响下煤岩力学特性及瓦斯运移规律研究", 《中国博士学位论文全文数据库 工程科技I辑》, 15 May 2015 (2015-05-15) * |
| 樊世忠等: "《钻井液完井液及保护油气层技术》", 30 April 1996, pages: 567 - 578 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112664A (en) * | 2021-11-20 | 2022-03-01 | 中国人民解放军国防科技大学 | Constant confining pressure loading experimental device |
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