CN106644744A - Rock true triaxial test method capable of realizing external loading of test specimen - Google Patents
Rock true triaxial test method capable of realizing external loading of test specimen Download PDFInfo
- Publication number
- CN106644744A CN106644744A CN201710156400.5A CN201710156400A CN106644744A CN 106644744 A CN106644744 A CN 106644744A CN 201710156400 A CN201710156400 A CN 201710156400A CN 106644744 A CN106644744 A CN 106644744A
- Authority
- CN
- China
- Prior art keywords
- loading
- cylinder
- frame
- oil cylinder
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- 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
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- 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
- G01N2203/0298—Manufacturing or preparing specimens
-
- 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
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 rock true triaxial test method capable of realizing the external loading of a test specimen. An X-direction loading framework is moved out; a specimen assembly is installed; the specimen assembly is pushed into a Z-direction loading work table of a host machine, and is subjected to true triaxial loading by combining a Y-direction loading work table; in the loading process, micro displacement and applied loading force can be measured; after the loading test is completed, the loading work tables sequentially quit; the specimen assembly arranged on an installing trolley is dismounted; pipelines of equipment are closed, and power supplies of the equipment are turned off. The rock true triaxial test method has the advantages that a four-post structure is used in the perpendicular direction of a host machine; integrally cast loading frameworks are used in two horizontal directions; the device is stable in structure nd has high rigidity; the loading frameworks adopt a sliding design; the specimen loading and the debugging can be performed at the outside; the moving space is large; the installation and the operation are convenient.
Description
Technical field
The invention belongs to rock triaxial test apparatus field, be related to it is a kind of can exterior sample rock true triaxial test side
Method.
Background technology
Under natural endowment, the earth's crust and engineering rock mass are deformed and destroy under complicated combined stress state.
Rock mass is a kind of complicated geologic body, and in complicated 3-D stree field, rock mass damage is often as answering for its preservation
Power state changes what is caused.Normal triaxial rock mechanics experiment is typically all to apply certain confined pressure, Ran Houbao to rock
Holding confined pressure constant (i.e. σ 2=σ 3) increase maximum principal stress σ 1 destroys rock, and this test method can only study axial symmetry
Stress state, be not suitable for intermediate principal stress to rock mass strength and deformation impact.True triaxial test can solve conventional three
The evolution problem of the complicated stress environment that shaft experiment can not reflect, by principal stress σ 1, the independent change of σ 2, σ 3, can embody
The actual load-bearing situation of rock mass.
The content of the invention
The technical problem to be solved is the shortcoming for overcoming prior art, there is provided it is a kind of can exterior sample rock
Stone true triaxial test method, the main frame vertical direction of the present invention adopts four-column type structure, two horizontal directions to adopt one piece casting
Loading frame, the apparatus structure is stable, rigidity is big；Loading frame can carry out filling sample and tune using slidably designing in outside
Examination, activity space is big, is easily installed and operates.
In order to solve above technical problem, the present invention provide it is a kind of can exterior sample rock true triaxial test method, bag
Include following concrete steps：
Step（One）, check whether circuit, pipeline connect intact and debugged；
Step（Two）, by driving Y-direction bracing frame push unit Y-direction loading frame is promoted, by Y-direction loading workbench propulsion Z-direction
In loading workbench；
Step（Three）, sample is assembled into on request sample component, rock sample installation carriage is retreated to into X to the branch of bracing frame side
On slide rail, and on rock sample installation carriage, then will be equipped with the rock sample installation carriage of sample component X is pushed by branch's slide rail
To in loading frame；
Step（Four）, together with rock sample installation carriage, by X to loading frame along X to bracing frame on X push away to frame guide rail
In entering Z-direction loading workbench；
Step（Five）, oil cylinder under driving axial, moved upwards by axial lower piston rod and axial lower piston, promote Z-direction to push
Block is moved up, and is risen so as to lift the rock sample installation carriage for being loaded with sample component, until the center of sample component and level set
The X for putting is to the first load cylinder, X to the second load cylinder and Y-direction oil cylinder in same level；
Step（Six）, driving axial upper cylinder so that Z-direction upper holder block is moved downward, until contact sample component upper surface, lead to
Cross axially lower oil cylinder and axial upper cylinder to fix sample component together with rock sample installation carriage；
Step（Seven）, drive X to the first load cylinder, X to the second load cylinder, connecting rod and Y-direction oil cylinder, so as to promote X to
First pressure transmission post, X contact respectively four side surfaces of sample component to pressing plate, the briquetting of Y-direction first and the briquetting of Y-direction second；
Step（Eight）, due to X be disturbance oil cylinder to the first load cylinder, if disturbance loading need not be carried out, axially lower oil cylinder, X
It is motionless to the first load cylinder and connecting rod, by driving axial upper cylinder, X to the second load cylinder and Y-direction oil cylinder to examination
Sample component carries out load test；If desired disturbance loading is carried out, then axially lower oil cylinder and connecting rod are motionless, by driving axial
Oil cylinder, X to the first load cylinder, X carry out load test to sample component, and record reality to the second load cylinder and Y-direction oil cylinder
Test data；
Step（Nine）, in loading procedure, due to self-balancing effect, X to loading frame and Y-direction loading frame are sent out in the horizontal direction
Raw micro-displacement, and from X to displacement measuring device and Y-direction displacement measuring device measure small displacement respectively, and from X to first
Sensor and X measure the loading force that X applies to loading workbench to second sensor, and by Y-direction first sensor Y-direction loading is measured
The loading force that workbench applies, by Z-direction first sensor the loading force that Z-direction loading workbench applies is measured；
Step（Ten）, after the completion of load test, according to whether carry out disturbance loading, withdraw first X to the first load cylinder, X to
The loading of the second load cylinder and Y-direction oil cylinder, or X is withdrawn first to the loading of the second load cylinder and Y-direction oil cylinder；Withdraw again
The loading of axial upper cylinder, then X to loading frame and Y-direction loading frame shed self-balancing effect automatically return to naturalness position
Place is put, axially lower oil cylinder declines until falling the bottom that Z-direction loads workbench, and the rock sample installation carriage for being loaded with sample component falls
In X in loading work；
Step（11）, drive X to bracing frame push unit by X to loading frame together be loaded with sample component rock sample install it is little
Car together elapses the outside afterbody to X to bracing frame, and the rock sample installation carriage for being loaded with sample component is retracted into into X to bracing frame
On branch's slide rail of side；Y-direction bracing frame push unit is driven to elapse Y-direction loading frame to the outside afterbody of Y-direction bracing frame；
Step（12）, the sample component removed and installed on dolly, and the pipeline and power supply of pass hull closure.
The invention has the beneficial effects as follows：
The rock true triaxial test system of present invention design, main frame vertical direction adopts four-column type structure, two horizontal directions to adopt
Cast-in-block loading frame is used, the version is aesthetic in appearance, rigidity is big；Control system is complete using original-pack German DO LI of import
Digital servo controller, the control system control accuracy is high, defencive function is complete, unfailing performance is strong, and can realize test force,
The closed loop control of three kinds of modes such as deformation, displacement, and taking over seamlessly for three kinds of control modes can be completed.Electrohydraulic servo valve is adopted
With the electrohydraulic servo valve of MOOG companies of the U.S., with response it is fast, contamination resistance is strong the features such as.The computer system of assay device
Using state-of-the-art association's main frame in the market, with good man machine interface, test force, displacement, deformation can be shown（Hang down
Nogata is to, two horizontal directions）, control mode, various tests such as loading speed and measurement parameter and various trial curves.Examination
Result of the test can be shown after the completion of testing, tracing analysiss are carried out, test report is printed, data derive the form such as text and excel.
It is very simple and convenient using operating using advanced controller in combination with electronic computer.
Description of the drawings
Fig. 1 is the top view of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is structural representations of the X to loading workbench；
Fig. 4 is the structural representation that Y-direction loads workbench；
Fig. 5 is the structural representation that Z-direction loads workbench；
Wherein, 1-X is to loading workbench, 2-Y to loading workbench, 3-Z to loading workbench, 4-X to bracing frame, 5-Y to
Support, 6-Z is to bracing frame, 7- rock sample installation carriages；To loading frame, 102- X are to loading frame wheel, 103- X for 101- X
To loading frame suspension ring, 104- lower cushion blocks, the upper cushion blocks of 105-, 106-X to First piston bar, 107-X to pressure transmission plate, 108-X to
First sensor, 109- spiral arms, to pressure transmission bar, to the first pressure transmission post, to pressure transmission interior axle, 113-X is to pressure for 112-X for 111-X for 110-X
Plate, to oscillating bearing, to second sensor, to second piston bar, 117-X is to displacement measuring device for 116- X for 115-X for 114-X；
201- connecting rods, to the first pressure transmission post, to the first oscillating bearing, to the first briquetting, 205-Y is to second for 204-Y for 203-Y for 202-Y
Briquetting, 206-Y to second joint bearing, 207-Y to first sensor, 208- Y-direction pressure transmission plates, 209-Y to displacement measurement are filled
Put, to piston rod, to oil cylinder, to bracing frame push unit, 213-Y is to loading frame for 212-Y for 211-Y for 210-Y；On 301- axial directions
Oil cylinder, the upper measuring systems of 302-, 303-Z to first sensor, 304-Z pressure transmission plates upwards, 305-Z oscillating bearings upwards,
306-Z to upper padding plate, 307-Z to upper holder block, the downward briquettings of 308-Z, 309- bottom measuring system, 310-Z to lower bolster,
311- axial directions lower piston rod, 312- oil fillers, 313- axial directions lower piston, the lower oil cylinder in 314- axial directions, 315- transition guides；401- X
To frame guide rail, 402-X is to bracing frame push unit.
Specific embodiment
Embodiment 1
The present embodiment provide it is a kind of can exterior sample rock actual triaxial testing apparatus, structure as shown in Figure 1 and Figure 2, including equal water
, to bracing frame 4 and Y-direction bracing frame 5, the vertical X of Z-direction bracing frame 6 is to bracing frame 4 and Y-direction for the X of flat setting and orthogonal installation
Support 5 is vertically arranged, X be provided with bracing frame 4 X to loading workbench 1, X to loading workbench 1 can along X to
The setting direction of support 4 enters line slip, and Y-direction loading workbench 2 is provided with Y-direction bracing frame 5, and Y-direction loading workbench 2 can be along Y
Enter line slip to the setting direction of bracing frame 5, Z-direction loading workbench 3 is installed on Z-direction bracing frame 6, Z-direction loading workbench 3 can
Setting direction along Z-direction bracing frame 6 enters line slip；
As shown in figure 3, X from X to loading workbench 1 including inner hollow to loading frame 101, X to loading frame 101 slidably
Installed in X on bracing frame 4, X is provided with X to the inside of loading frame 101 at rock sample position, X at rock sample position lower section set
There is lower cushion block 104, its top is provided with cushion block 105；X is at rock sample position along X to the both sides in the setting direction of bracing frame 4 point
Level is not provided with X to the first load cylinder and X to the second load cylinder, and X to the first load cylinder includes X to First piston bar
106, X to the end of First piston bar 106 connects X to pressure transmission plate 107, and X to pressure transmission plate 107 connects X to pressure transmission bar 110, and X is to pressure transmission
X is also equipped with plate 107 to first sensor 108, X to pressure transmission bar 110 connects X to pressure transmission interior axle 112, and X is to pressure transmission interior axle 112
Outside is provided with X to the first pressure transmission post 111, and, to the side wall connection spiral arm 109 of the first pressure transmission post 111, X is to the outer end of the first pressure transmission post 111 for X
The close X in portion is at rock sample position；X to the second load cylinder includes X to second piston bar 116, and X is to the end of second piston bar 116
X is to second sensor 115 for connection, and X installs X on the side wall of second piston bar 116 to displacement measuring device 117, and X to second passes
Sensor 115 connects X to oscillating bearing 114, and X to the end face of oscillating bearing 114 installs X to pressing plate 113, and X to the outer face of pressing plate 113 connects
Nearly X is at rock sample position；
As shown in figure 4, Y-direction loading workbench 2 includes the Y-direction loading frame 213 of inner hollow, Y-direction loading frame 213 is slidably
On Y-direction bracing frame 5, be provided with inside Y-direction loading frame 213 at Y-direction rock sample position, along Y-direction at Y-direction rock sample position
Respectively level is provided with connecting rod 201 and Y-direction oil cylinder 211, the one end of connecting rod 201 connection Y for both sides in the setting direction of bracing frame 5
To loading frame 213, Y-direction the is installed in its other end connection the first pressure transmission of Y-direction post 202, the outer end of the first pressure transmission of Y-direction post 202
One oscillating bearing 203, the outside of the first oscillating bearing of Y-direction 203 connects the first briquetting of Y-direction 204, the outboard end of the first briquetting of Y-direction 204
At the close Y-direction rock sample position in face；Y-direction oil cylinder 211 is fixedly mounted in Y-direction loading frame 213, and Y-direction oil cylinder 211 is lived including Y-direction
Stopper rod 210, the outer end connection Y-direction pressure transmission plate 208 of Y-direction piston rod 210, the opposite side connection Y-direction first of Y-direction pressure transmission plate 208
Sensor 207, installs Y-direction displacement measuring device 209, the outside peace of Y-direction first sensor 207 on the side wall of Y-direction pressure transmission plate 208
Equipped with Y-direction second joint bearing 206, the outer end of Y-direction second joint bearing 206 connects the second briquetting of Y-direction 205, the briquetting of Y-direction second
At the 205 close Y-direction rock sample position of end face outside；
As shown in figure 5, Z-direction loading workbench 3 is included at the Z-direction rock sample position located at middle part, at Z-direction rock sample position above set
Have axial upper cylinder 301, at Z-direction rock sample position below be provided with axially lower oil cylinder 314, the piston rod court of axial upper cylinder 301
Under outboard end connection Z-direction upload pressing plate 304, Z-direction uploads the lower surface connection Z-direction first sensor 303 of pressing plate 304, Z-direction
Upload and install displacement measuring device 302 on the side wall of pressing plate 304, the downside end face of Z-direction first sensor 303 is provided with Z-direction
Oscillating bearing 305, the downside of Z-direction upper joint bearing 305 connects Z-direction upper padding plate 306, the downside end face connection Z of Z-direction upper padding plate 306
To upper holder block 307；Axially lower oil cylinder 314 includes the axial lower piston 313 for linking together and axial lower piston rod 311, axially
The upside end face of lower piston rod 311 connects Z-direction lower bolster 310, and on the side wall of Z-direction lower bolster 310 the next measuring system is provided with
309, the upper surface of Z-direction lower bolster 310 connects Z-direction lower lock block 308.
Aforementioned displacements measurement apparatus can measure micro-displacement change using displacement transducer.Aforementioned X is to bracing frame 4
Side is connected with branch's slide rail, and to bracing frame 4, branch's slide rail is provided with rock sample and installs little the horizontally disposed and vertical X of branch's slide rail
Car 7, rock sample installation carriage 7 can slip into X in loading frame 101 along branch's slide rail.Aforementioned Z-direction bracing frame 6 vertically sets including 4
The identical column put.Aforementioned X to the lower section of loading frame 101 is provided with X to loading frame wheel 102, and its top is provided with X to loading
Framework suspension ring 103, X to the top of bracing frame 4 is provided with X to frame guide rail 401, and X to loading frame wheel 102 is led with X to framework
Rail 401 is engaged.Aforementioned X to the outboard end of bracing frame 4 is provided with X to bracing frame push unit 402, and the push unit is adopted
Passage hydraulic cylinder or servomotor, X to bracing frame push unit 402 connects X to loading frame 101.Aforementioned spiral arm 109 is arranged on
X is on the side wall of loading frame 101.
Y-direction bracing frame is installed between the aforementioned Y-direction loading side end of workbench 2 one and a side end of Y-direction bracing frame 5 to push away
Moving device 212, the push unit is using passage hydraulic cylinder or servomotor.The side wall of oil cylinder 314 is provided with oiling under aforementioned axial
Mouth 312.Parallel transition guide 315 is provided between aforementioned Y-direction loading workbench 2 and Y-direction bracing frame 5.
Embodiment 2
The present embodiment provide it is a kind of can exterior sample rock true triaxial test method, comprise the following specific steps that：
Step（One）, check whether circuit, pipeline connect intact and debugged；
Step（Two）, by driving Y-direction bracing frame push unit 212 promote Y-direction loading frame 213, Y-direction is loaded into workbench 2
In propulsion Z-direction loading workbench 3；
Step（Three）, sample is assembled on request sample component, by rock sample installation carriage 7 retreat to X to the side of bracing frame 4 point
Prop up on slide rail, and on rock sample installation carriage 7, then will be equipped with the rock sample installation carriage 7 of sample component by branch's slide rail
X is pushed in loading frame 101；
Step（Four）, together with rock sample installation carriage 7, by X to loading frame 101 along X to bracing frame 4 on X to framework
In the propulsion Z-direction loading workbench 3 of guide rail 401；
Step（Five）, oil cylinder 314 under driving axial, moved upwards by axial lower piston rod 311 and axial lower piston 313, push away
Dynamic Z-direction lower lock block 308 is moved up, and is risen so as to lift the rock sample installation carriage 7 for being loaded with sample component, until sample component
Center and horizontally disposed X are in same level to the first load cylinder, X to the second load cylinder and Y-direction oil cylinder 211
On；
Step（Six）, driving axial upper cylinder 301 so that Z-direction upper holder block 307 is moved downward, until contact sample component it is upper
Surface, is fixed sample component together with rock sample installation carriage 7 by axially lower oil cylinder 314 and axial upper cylinder 301；
Step（Seven）, drive X to the first load cylinder, X to the second load cylinder, connecting rod 201 and Y-direction oil cylinder 211, so as to push away
Dynamic X to the first pressure transmission post 111, X contacts respectively sample component to pressing plate 113, the first briquetting of Y-direction 204 and the second briquetting of Y-direction 205
Four side surfaces；
Step（Eight）, due to X be disturbance oil cylinder to the first load cylinder, if disturbance loading need not be carried out, axial lower oil cylinder
314th, X is motionless to the first load cylinder and connecting rod 201, by driving axial upper cylinder 301, X to the second load cylinder and Y
Load test is carried out to sample component to oil cylinder 211；If desired disturbance loading is carried out, then the lower oil cylinder 314 in axial direction and connecting rod 201
It is motionless, by driving axial upper cylinder 301, X to the first load cylinder, X to the second load cylinder and Y-direction oil cylinder 211 to sample
Component carries out load test, and records experimental data；
Step（Nine）, in loading procedure, due to self-balancing effect, X is to loading frame 101 and Y-direction loading frame 213 in level side
There is micro-displacement upwards, and from X to displacement measuring device 117 and Y-direction displacement measuring device 209 measure micro-displacement respectively
Amount, and the loading force that X applies to loading workbench 1 is measured to second sensor 115 from X to first sensor 108 and X, by Y-direction
First sensor 207 measures the loading force that Y-direction loading workbench 2 applies, and by Z-direction first sensor 303 Z-direction loading work is measured
The loading force that platform 3 applies；
Step（Ten）, after the completion of load test, according to whether carry out disturbance loading, withdraw first X to the first load cylinder, X to
The loading of the second load cylinder and Y-direction oil cylinder 211, or X is withdrawn first to the loading of the second load cylinder and Y-direction oil cylinder 211；
The loading of axial upper cylinder 301 is withdrawn again, and then X sheds self-balancing effect certainly to loading frame 101 and Y-direction loading frame 213
Dynamic to return at naturalness position, axially lower oil cylinder 314 declines until falling Z-direction loads the bottom of workbench 3, and is loaded with sample
The rock sample installation carriage 7 of component falls in X in loading work 1；
Step（11）, drive X to bracing frame push unit 402 by X to loading frame 101 together with the rock sample for being loaded with sample component
Installation carriage 7 together elapses the outside afterbody to X to bracing frame 4, and the rock sample installation carriage 7 for being loaded with sample component is retracted into
X is on branch's slide rail of the side of bracing frame 4；Y-direction bracing frame push unit 212 is driven Y-direction loading frame 213 to be elapsed to Y-direction
The outside afterbody of bracing frame 5；
Step（12）, the sample component removed and installed on dolly 7, and the pipeline and power supply of pass hull closure.
Above example technological thought only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (1)
1. it is a kind of can exterior sample rock true triaxial test method, comprise the following specific steps that：
Step（One）, check whether circuit, pipeline connect intact and debugged；
Step（Two）, by drive Y-direction bracing frame push unit（212）Promote Y-direction loading frame（213）, Y-direction is loaded into work
Platform（2）Propulsion Z-direction loading workbench（3）In；
Step（Three）, sample is assembled into on request sample component, by rock sample installation carriage（7）X is retreated to bracing frame（4）Side
Branch's slide rail on, and installed in rock sample installation carriage（7）On, then the rock sample installation carriage that will be equipped with sample component（7）Pass through
Branch's slide rail pushes X to loading frame（101）In；
Step（Four）, together with rock sample installation carriage（7）Together, by X to loading frame（101）Along X to bracing frame（4）On X
To frame guide rail（401）Propulsion Z-direction loading workbench（3）In；
Step（Five）, oil cylinder under driving axial（314）, by axial lower piston rod（311）With axial lower piston（313）Transport upwards
It is dynamic, promote Z-direction lower lock block（308）Move up, so as to lift the rock sample installation carriage for being loaded with sample component（7）Rise, until
The center of sample component and horizontally disposed X are to the first load cylinder, X to the second load cylinder and Y-direction oil cylinder（211）It is in
In same level；
Step（Six）, driving axial upper cylinder（301）So that Z-direction upper holder block（307）Move downward, until contact sample component
Upper surface, by axially lower oil cylinder（314）With axial upper cylinder（301）By sample component together with rock sample installation carriage（7）Gu
Live calmly；
Step（Seven）, drive X to the first load cylinder, X to the second load cylinder, connecting rod（201）And Y-direction oil cylinder（211）, from
And X is promoted to the first pressure transmission post（111）, X is to pressing plate（113）, the briquetting of Y-direction first（204）And the briquetting of Y-direction second（205）Respectively
Four side surfaces of contact sample component；
Step（Eight）, due to X be disturbance oil cylinder to the first load cylinder, if disturbance loading need not be carried out, axial lower oil cylinder
（314）, X is to the first load cylinder and connecting rod（201）It is motionless, by driving axial upper cylinder（301）, X to second loading
Oil cylinder and Y-direction oil cylinder（211）Load test is carried out to sample component；If desired disturbance loading is carried out, then the lower oil cylinder in axial direction（314）
And connecting rod（201）It is motionless, by driving axial upper cylinder（301）, X is to the first load cylinder, X to the second load cylinder and Y
To oil cylinder（211）Load test is carried out to sample component, and records experimental data；
Step（Nine）, in loading procedure, due to self-balancing effect, X is to loading frame（101）And Y-direction loading frame（213）In water
Square there is micro-displacement upwards, and respectively from X to displacement measuring device（117）And Y-direction displacement measuring device（209）Measure micro-
Thin tail sheep amount, and from X to first sensor（108）And X is to second sensor（115）X is measured to loading workbench（1）Apply
Loading force, by Y-direction first sensor（207）Measure Y-direction loading workbench（2）The loading force of applying, by Z-direction first sensor
（303）Measure Z-direction loading workbench（3）The loading force of applying；
Step（Ten）, after the completion of load test, according to whether carry out disturbance loading, withdraw first X to the first load cylinder, X to
Second load cylinder and Y-direction oil cylinder（211）Loading, or withdraw X first to the second load cylinder and Y-direction oil cylinder（211）'s
Loading；Axial upper cylinder is withdrawn again（301）Loading, then X is to loading frame（101）And Y-direction loading frame（213）Shed certainly
Balanced action is automatically returned at naturalness position, axially lower oil cylinder（314）Decline until falling Z-direction loading workbench（3）'s
Bottom, and it is loaded with the rock sample installation carriage of sample component（7）Fall in X to loading work（1）On；
Step（11）, drive X to bracing frame push unit（402）By X to loading frame（101）Together with being loaded with sample component
Rock sample installation carriage（7）Together elapse to X to bracing frame（4）Outside afterbody, and by be loaded with sample component rock sample install it is little
Car（7）X is retracted into bracing frame（4）On branch's slide rail of side；Drive Y-direction bracing frame push unit（212）Y-direction is loaded into frame
Frame（213）Elapse to Y-direction bracing frame（5）Outside afterbody；
Step（12）, remove and install dolly（7）On sample component, and the pipeline and power supply of pass hull closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156400.5A CN106644744B (en) | 2017-03-16 | 2017-03-16 | It is a kind of can exterior sample rock true triaxial test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710156400.5A CN106644744B (en) | 2017-03-16 | 2017-03-16 | It is a kind of can exterior sample rock true triaxial test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644744A true CN106644744A (en) | 2017-05-10 |
| CN106644744B CN106644744B (en) | 2019-03-05 |
Family
ID=58847326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710156400.5A Active CN106644744B (en) | 2017-03-16 | 2017-03-16 | It is a kind of can exterior sample rock true triaxial test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644744B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152141A (en) * | 2017-12-15 | 2018-06-12 | 浙江大学自贡创新中心 | A kind of rock mechanics true triaxial experimental provision |
| CN109580369A (en) * | 2018-11-29 | 2019-04-05 | 吉林省金力试验技术有限公司 | One kind is for large-scale earthwork horizontal plane variable loading system and its test method |
| CN112730079A (en) * | 2020-12-23 | 2021-04-30 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Rock true triaxial dynamic compression shear test device and method under deep complex structure condition |
| CN114659814A (en) * | 2022-02-25 | 2022-06-24 | 中国矿业大学 | Drilling surrounding rock loading device for drilling robot and hydraulic control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735548A (en) * | 2012-07-05 | 2012-10-17 | 重庆大学 | Multifunctional true triaxial flow solid coupling test system |
| CN103822833A (en) * | 2014-03-12 | 2014-05-28 | 中国水电顾问集团中南勘测设计研究院有限公司 | Size variable true triaxial test system |
| CN103969107A (en) * | 2014-05-06 | 2014-08-06 | 广西大学 | High-pressure servo dynamic true triaxial testing machine |
-
2017
- 2017-03-16 CN CN201710156400.5A patent/CN106644744B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735548A (en) * | 2012-07-05 | 2012-10-17 | 重庆大学 | Multifunctional true triaxial flow solid coupling test system |
| CN103822833A (en) * | 2014-03-12 | 2014-05-28 | 中国水电顾问集团中南勘测设计研究院有限公司 | Size variable true triaxial test system |
| CN103969107A (en) * | 2014-05-06 | 2014-08-06 | 广西大学 | High-pressure servo dynamic true triaxial testing machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152141A (en) * | 2017-12-15 | 2018-06-12 | 浙江大学自贡创新中心 | A kind of rock mechanics true triaxial experimental provision |
| CN108152141B (en) * | 2017-12-15 | 2024-02-09 | 浙江大学自贡创新中心 | Rock mechanics true triaxial experimental apparatus |
| CN109580369A (en) * | 2018-11-29 | 2019-04-05 | 吉林省金力试验技术有限公司 | One kind is for large-scale earthwork horizontal plane variable loading system and its test method |
| CN109580369B (en) * | 2018-11-29 | 2024-03-22 | 吉林省金力试验技术有限公司 | Large-scale earthwork horizontal plane variable loading system and test method thereof |
| CN112730079A (en) * | 2020-12-23 | 2021-04-30 | 山东黄金矿业科技有限公司深井开采实验室分公司 | Rock true triaxial dynamic compression shear test device and method under deep complex structure condition |
| CN114659814A (en) * | 2022-02-25 | 2022-06-24 | 中国矿业大学 | Drilling surrounding rock loading device for drilling robot and hydraulic control method |
| CN114659814B (en) * | 2022-02-25 | 2024-05-31 | 中国矿业大学 | Drilling surrounding rock loading device for drilling robot and hydraulic control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644744B (en) | 2019-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644744A (en) | Rock true triaxial test method capable of realizing external loading of test specimen | |
| CN105206142B (en) | A kind of experiment device for teaching for intuitively changing displacement method | |
| CN201876366U (en) | Static load test table for bogie of railway vehicle | |
| CN100582732C (en) | Large 3D multifunction soil tester | |
| CN102235943B (en) | Loading test device | |
| CN103512740B (en) | A kind of device bearing being carried out to force model multifunctional testing | |
| CN105783837B (en) | A kind of third generation automobile hub bearing end-play automatic measurement mechanism | |
| EP2372334A1 (en) | Vehicle-body integrated test bench | |
| CN106198258B (en) | Rock shear strength size effect testing machine | |
| CN109115510B (en) | Six-component force test bed and error determination method thereof | |
| CN110018056B (en) | Sandstone reservoir hole stability evaluation experimental device and method | |
| CN106706343A (en) | Radial and axial rigidity testing method and radial and axial rigidity testing fixture for elastic wheel | |
| CN109668775B (en) | Positioning and centering system and method of true triaxial Hopkinson pressure bar | |
| CN109506919A (en) | A kind of aircraft takeoffs and landings rack loading device and loading method | |
| CN108663274A (en) | The very heavy very useful three axis the static and dynamic experiment machine of one kind and test method | |
| CN206236339U (en) | One kind assembling girder construction experimental model | |
| CN110186746B (en) | Structure test loading device and test method for keeping lateral direction and axial direction vertical | |
| CN106644329B (en) | 120MN bridge support testing machine for high-precision dynamic measurement | |
| CN207456953U (en) | True triaxial dynamic pressure testing machine | |
| CN114088534A (en) | Three-dimensional rigid loading true triaxial apparatus | |
| CN209911105U (en) | Structural test loading device capable of keeping lateral direction and axial direction vertical | |
| CN106644731A (en) | Rock true triaxial test device capable of externally loading test specimen | |
| CN203534808U (en) | Device for static and dynamic multifunctional test of supporting seat | |
| CN105115685A (en) | Vehicle body mass center testing system and method based on overall vehicle vibration simulation test bench | |
| CN204807401U (en) | Wall body plane extra income tie load force transmission frame device that evenly loads |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |