CN108387452A - Triaxiality device and stress simulation system - Google Patents
Triaxiality device and stress simulation system Download PDFInfo
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- CN108387452A CN108387452A CN201810239532.9A CN201810239532A CN108387452A CN 108387452 A CN108387452 A CN 108387452A CN 201810239532 A CN201810239532 A CN 201810239532A CN 108387452 A CN108387452 A CN 108387452A
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- 238000004088 simulation Methods 0.000 title claims abstract description 55
- 239000011435 rock Substances 0.000 claims abstract description 58
- 238000012360 testing method Methods 0.000 claims abstract description 28
- 230000037081 physical activity Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—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
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses triaxiality device and stress simulation systems, are related to Geotechnical Engineering field.A kind of triaxiality device, triaxiality simulation test for country rock sample, it includes supporting body and two pressure textures being set to inside supporting body and multiple pressing plates, one pressure texture is arranged towards first direction and is oppositely arranged with pressing plate, one pressure texture is arranged towards second direction and is oppositely arranged with pressing plate, pressure apparatus is arranged towards third direction and is oppositely arranged with pressing plate, pressure apparatus is connected to two pressure textures, and a pressure texture can be driven to be moved along first direction, drive a pressure texture to move in a second direction.A kind of stress simulation system, which employs above-mentioned triaxiality devices.Triaxiality device provided by the invention and stress simulation system can complete the simulation of the power of three different directions of country rock sample by the load of power in one direction, can be simply completed the simulation of triaxiality.
Description
Technical field
The present invention relates to Geotechnical Engineering fields, in particular to triaxiality device and stress simulation system.
Background technology
The safety of geotechnical engineering is always the first concern problem of engineering circles, and the physical and mechanical property of material of rock and soil
It is one of the key factor for determining its safety.The physical and mechanical property of material of rock and soil is not only related with material category, also by
To the influence of its residing ambient stress.Meanwhile the construction of geotechnical engineering can influence the ambient stress of Engineering Zone rock-soil material again,
It is complex so as to cause ambient stress residing for material of rock and soil.Therefore, it is the actual physical power of reflection Project Areas rock-soil material
Learn characteristic, it is necessary to a kind of simple and direct device that can simulate different stress conditions is researched and developed, for the physics of country rock in research Practical Project
Mechanical characteristic provides reliable basis.
Current country rock triaxiality simulator generally uses three-dimensional to load, and testing equipment is heavy, and only limits several
The specific testing experiment of item (predominantly mechanical characteristic), it is not only time-consuming, also it is difficult to adapt to ground material under the conditions of triaxiality
The experimental study for expecting numerous important physical mechanical characteristics, such as the wetness control characteristic and temperature of rock-soil material under different stress
The experimental studies such as characteristic.
Invention content
The purpose of the present invention is to provide a kind of triaxiality devices, can be by the load of power in one direction
The simulation that can complete the power of three different directions of country rock sample, can be simply completed the simulation of triaxiality, and simple in structure,
It is easy to operate convenient for assembling, the operation of energy short form test.
Another object of the present invention is to provide a kind of stress simulation systems, can adding by power in one direction
The simulation for carrying the power that can complete three different directions of country rock sample, can be simply completed the simulation of triaxiality, and structure
Simply, it is convenient for assembling, easy to operate, the operation of energy short form test.
The present invention provides a kind of technical solution：
A kind of triaxiality device, is used for the triaxiality simulation test of country rock sample, and the triaxiality device includes
The supporting body and pressure apparatus being set to inside the supporting body, two pressure textures and multiple pressing plates, described in one of them
Pressure texture is arranged towards first direction and is oppositely arranged with a pressing plate, another described pressure texture direction second
Direction be arranged simultaneously be oppositely arranged with a pressing plate, the pressure apparatus towards third direction be arranged and with a pressing plate
It is oppositely arranged, the pressure apparatus is connected to two pressure textures, and the pressure apparatus can be moved along third direction, and band
It moves one of them described pressure texture to move along first direction, and another described pressure texture is driven to move in a second direction,
The first direction, the second direction and the third direction form angle, the pressure apparatus, two pressure two-by-two
Structure and multiple pressing plates surround the first accommodating space jointly, and first accommodating space is for housing the country rock sample.
Further, the second accommodating space, the pressure apparatus, two pressure knots are offered inside the supporting body
Structure and multiple pressing plates may be contained within inside second accommodating space, and second accommodating space has described in
The opening of third direction, one of them described pressing plate are detachably connected close to the opening and with the supporting body.
Further, mounting hole and mounting groove, the mounting hole and mounting groove difference are offered on the supporting body
Opposite two side walls of the supporting body close to the opening are offered, the pressing plate passes through the mounting hole and stretches into described
Mounting groove is to be connected to the supporting body.
Further, the pressure texture includes the first briquetting and the second briquetting, and first briquetting is connected to described hold
Carrier, second briquetting are connected to the pressure apparatus, and towards the pressure apparatus is provided on first briquetting
One inclined-plane, second briquetting are slidably connected to first inclined-plane.
Further, the second inclined-plane compatible with first inclined-plane, the pressure are provided on second briquetting
Structure further includes sliding rail, and the sliding rail is set to first inclined-plane, offers on second inclined-plane and is mutually fitted with the sliding rail
The sliding slot matched, the sliding rail are slidably connected to inside the sliding slot.
Further, there are one the pressing plate, institutes close to the setting of the side of first accommodating space for second briquetting
It states and is provided with roller bearing between the second briquetting and the pressing plate, the axis of the roller bearing is perpendicular to the third direction.
Further, the pressure apparatus includes push plate and actuator, and one end of the actuator is connected to the carrying
Body, the push plate are connected to the other end of the actuator, and the actuator can be pushed along the third direction described in push away
Plate, the push plate are connected to two pressure textures.
Further, the pressure apparatus further includes multiple supporting pieces, and multiple supporting pieces are removably attachable to institute
Side of the push plate far from the actuator, multiple supporting piece interval settings are stated, and multiple supporting pieces stretch to institute
It states inside the first accommodating space, the supporting piece is for squeezing the country rock sample.
Further, the triaxiality device further includes the first connector, corresponds to one of them described pressure texture
The pressing plate supporting body is connected to by first connector, and first connector be movably connected on it is described
Supporting body, first connector supporting body activity and can increase or reduce between the pressing plate and the supporting body relatively
Distance.
A kind of stress simulation system, including triaxiality device.The triaxiality device is used for the three-dimensional of country rock sample
Stress simulation test, the triaxiality device include supporting body and the pressure apparatus being set to inside the supporting body, two
A pressure texture and multiple pressing plates, one of them described pressure texture towards first direction be arranged and with a pressing plate phase
To setting, another described pressure texture is arranged towards second direction and is oppositely arranged with a pressing plate, the pressure dress
It sets and is arranged towards third direction and is oppositely arranged with a pressing plate, the pressure apparatus is connected to two pressure knots
Structure, the pressure apparatus can be moved along third direction, and one of them described pressure texture is driven to be moved along first direction, and band
It moves another described pressure texture to move in a second direction, the first direction, the second direction and the third direction two
Two form angle, and the pressure apparatus, two pressure textures and multiple pressing plates surround the first accommodating space, institute jointly
The first accommodating space is stated for housing the country rock sample.
Compared with prior art, the advantageous effect of triaxiality device provided by the invention and stress simulation system is：
Triaxiality device provided by the invention and stress simulation system can be moved by pressure apparatus along third direction, and
It drives a pressure texture to be moved along first direction, drives another pressure texture to move in a second direction, so that passing through one
The load of power can realize the simulation of tripartite direction upper stress on a direction, save a large amount of cost.Also, by only needing one
The load mode of a power so that it is simpler for the operation of stress simulation test, more convenient for carrying out simulation test.In addition, three
Dimension answers the structure of power apparatus and stress simulation system simple, is easily assembled to, can save a large amount of time cost.
Triaxiality device provided by the invention and stress simulation system can also can be realized by retracting the pressing plate of strip
Simulate the hole wall surrouding rock stress environment with free face nearby.Multiple samples can be unfolded simultaneously by retracting part supporting piece just to answer
The simulation of force environment can be effectively saved experimentation cost.By adjusting the second connector to adjust between the second briquetting and push plate
Distance, different power transmission coefficients just can be realized, to simulate different triaxiality environment.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range.It for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the first sectional view of triaxiality device that the first embodiment of the present invention provides；
Fig. 2 is the second sectional view of triaxiality device that the first embodiment of the present invention provides；
Fig. 3 is the triaxiality device third sectional view that the first embodiment of the present invention provides；
Fig. 4 is the partial structural diagram for the pressure texture that the first embodiment of the present invention provides.
Icon：10- triaxiality devices；11- country rock samples；100- supporting bodies；The second accommodating spaces of 110-；111- is opened
Mouthful；112- mounting holes；113- mounting grooves；The first accommodating spaces of 120-；The first connectors of 130-；200- pressure textures；210-
One briquetting；The first inclined-planes 211-；212- sliding rails；The second briquettings of 220-；The second inclined-planes 221-；222- sliding slots；230- roller bearings；300-
Pressing plate；400- pressure apparatus；410- push plates；411- supporting pieces；412- backing plates；420- actuators；The second connectors of 430-.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it is to be understood that, the instructions such as term "upper", "lower", "inner", "outside", "left", "right"
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when usually put
Orientation or positional relationship or the orientation or positional relationship that usually understands of those skilled in the art, be merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated equipment or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, " setting ", " even
Connect " etc. terms shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；Can be directly connected to, can also be indirectly connected with by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
The concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail.
First embodiment
Referring to Fig. 1, providing a kind of triaxiality device 10 in the present embodiment, the three-dimensional for being used for country rock sample 11 is answered
Power simulation test.Triaxiality device 10 can complete 11 3, country rock sample not by the load of power in one direction
The simulation of equidirectional power can be simply completed the simulation of triaxiality, and simple in structure, convenient for assembling, easy to operate, energy
The operation of short form test.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, triaxiality simulator includes supporting body 100, pressure apparatus 400, two
Pressure texture 200 and multiple pressing plates 300, wherein 400, two pressure textures 200 of pressure apparatus and multiple pressing plates 300 are respectively provided with
Inside supporting body 100, to be provided to 400, two pressure textures 200 of pressure apparatus and multiple pressing plates 300 by supporting body 100
Carrying ensures the stress for carrying out country rock sample 11 that 400, two pressure textures 200 of pressure apparatus and multiple pressing plates 300 can be stablized
Simulation test.One of pressure texture 200 is arranged towards first direction and is oppositely arranged with a pressing plate 300, another pressure
Power structure 200 is arranged towards second direction and is oppositely arranged with a pressing plate 300, and pressure apparatus 400 is arranged towards third direction
And it is oppositely arranged with a pressing plate 300 so that 400, two pressure textures 200 of pressure apparatus and multiple pressing plates 300 surround jointly
First accommodating space 120, wherein the first accommodating space 120 is for housing country rock sample 11.Also, first direction, second direction
Form angle two-by-two with third direction, i.e., form angle between first direction and second direction, first direction and third direction it
Between form angle, angle is formed between second direction and third direction.So that being realized by the power on three different directions
The simulation of stress on 11 3 different directions of country rock sample.
Wherein, what arrow referred in Fig. 1 is third direction, and what arrow in Fig. 2 referred to is first direction, the arrow in Fig. 3
What head referred to is second direction.
Also, the pressure texture 200 and corresponding pressing plate 300 in the present embodiment, being arranged towards first direction are mutual
Close side is mutually parallel, the pressure texture 200 and corresponding pressing plate 300 being arranged towards second direction side close to each other
Face is mutually parallel, and pressure apparatus 400 and the side close to each other of corresponding pressing plate 300 are mutually parallel, to form square
First accommodating space 120 of shape can simplify the behaviour of triaxiality simulation test in order to the progress of triaxiality simulation test
Make.
Wherein, pressure apparatus 400 is connected to two pressure textures 200, so that pressure apparatus 400 is moved along third direction
One of pressure texture 200 can be driven to be moved towards first direction when dynamic, another pressure texture 200 is moved towards second direction
It is dynamic, that is, realize the simulation test that three direction upper stresses can be completed by the load of power on a direction.
It should be noted that in the present embodiment, first direction, second direction and third direction are vertical two-by-two, so that
It is not had an impact mutually between three power on first direction, second direction and third direction, ensures power energy in each direction
The simulation of stress, the accuracy of proof stress simulation test are carried out independently of each other.
In addition, it is necessary to explanation, when pressure apparatus 400 is moved along third direction, towards the pressure knot of first direction
Structure 200 is moved towards first direction, is moved in a second direction towards the pressure texture 200 of second direction.
When country rock sample 11 is positioned over the first 120 inside of accommodating space so that country rock sample 11 fits in pressing plate 300,
And start pressure apparatus 400 so that pressure apparatus 400 moves along third direction and squeeze country rock sample 11, and makes wherein one
A pressure texture 200 moves along first direction and squeezes country rock sample 11, also makes another pressure texture 200 in a second direction
Country rock sample 11 is moved and squeezed, can realize the simulation to the stress on 11 3 different directions of country rock sample.
In the present embodiment, the second accommodating space 110,400, two pressure of pressure apparatus are offered inside supporting body 100
Structure 200 and multiple pressing plates 300 may be contained within inside the second accommodating space 110.Second accommodating space 110 has towards third party
Upward opening 111,111 the second accommodating space 110 of connection of opening and the external world.One of pressing plate 300 close to opening 111 and with
Supporting body 100 is detachably connected.Wherein, the pressing plate 300 being oppositely arranged with pressure apparatus 400 is close to 111 setting of opening.
It is dismantled by will be close to the pressing plate 300 at opening 111, it can be so that being positioned over enclosing inside the first accommodating space 120
Rock sample 11, without stress, can simulate the hole wall surrouding rock stress environment with free face nearby close to 111 sides of opening.Similarly,
It can be when needing the pressing plate 300, pressing plate 300, which is installed at opening 111, can simulate the simulation examination of 11 triaxiality of country rock sample
It tests.
Triaxiality device 10 further includes the first connector 130, corresponds to the pressing plate 300 of one of pressure texture 200
It is connected to supporting body 100 by the first connector 130, and the first connector 130 is movably connected on supporting body 100, also,
A connection piece 130 can 100 activity of opposite supporting body and increase or diminution the distance between pressing plate 300 and supporting body 100.That is,
In the present embodiment, the distance between pressing plate 300 and supporting body 100 can be adjusted by the first connector 130, so that pressing plate 300
Precompression can be provided to the country rock sample 11 inside the first accommodating space 120 to avoid enclosing to ensure the stability of country rock sample 11
Rock sample 11 is deviated or is fallen off.
Wherein, when needing to dismantle the pressing plate 300 of strip, first by the first connector 130 to country rock sample 11
There is provided precompression so that country rock sample 11 keeps stablizing, at this point, retracting the pressing plate 300 of strip, can simulate hole wall and nearby have
There is the surrouding rock stress environment of free face.
In addition, another 200 corresponding pressing plate 300 of pressure texture is then fixedly connected on supporting body 100, with to country rock sample
11 provide stable carrying, ensure the stability of triaxiality simulation test.
In the present embodiment, mounting hole 112 and mounting groove 113, mounting hole 112 and mounting groove are offered on supporting body 100
113 are opened on supporting body 100 respectively in the opposite two side walls at opening 111.Mounting hole 112 through side wall and with
Second accommodating space 110 is connected to, so that pressing plate 300 can be stretched to inside the first accommodating space 120 by mounting hole 112.Peace
Tankage 113 is then opened in the inside of 100 side wall of supporting body, that is, and mounting groove 113 is set to the internal perisporium of the second accommodating space 110,
So that stretching into the pressing plate 300 of the first accommodating space 120 can stretch into inside mounting groove 113, to pass through mounting hole 112 and mounting groove
113 enable pressing plate 300 to be steadily connected to supporting body 100, that is, can guarantee that pressing plate 300 can be tested to provide to country rock and stablize twelve Earthly Branches
Triaxiality simulation test is effectively performed in load.
In addition, in the present embodiment, be open 111 in-profile it is square.Corresponding to the pressing plate of pressure apparatus 400
300 be elongated plates, that is, 300 length of pressing plate for corresponding to pressure apparatus 400 is more than the length of side of 111 Internal peripheries of opening, and width is small
It can pass through so that pressing plate 300 can pass through mounting hole 112 and stretch into after mounting groove 113 in the length of side for 111 Internal peripheries that are open
The internal perisporium for being held in mounting hole 112 and mounting groove 113 is steadily connected to supporting body 100, and is provided surely to country rock sample 11
Fixed supporting force.
Pressure apparatus 400 includes push plate 410 and actuator 420, and one end of actuator 420 is connected to supporting body 100, push plate
410 are connected to the other end of actuator 420, and actuator 420 can push push plate 410 along third direction, so that push plate 410
The country rock sample 11 inside the first accommodating space 120 can be squeezed.Also, push plate 410 is connected to two pressure textures 200, so that
Obtaining push plate 410 can drive two pressure textures 200 to move while mobile, to carry out triaxiality simulation test.Wherein, it drives
Moving part 420 is connected to the bottom wall of 110 face of the second accommodating space opening 111, so that actuator 420 can push 410 court of push plate
To 111 movement of opening.
It should be noted that in the present embodiment, side of the push plate 410 far from actuator 420, two pressure textures 200
The first accommodating space 120 is surrounded jointly with multiple pressing plates 300.
In the present embodiment, actuator 420 uses hydraulic pushing device.It should be appreciated that in other examples, driving
Part 420 can equally use other devices, for example, pneumatic device, linear motor or active lever etc..
Further, pressure apparatus 400 further includes multiple supporting pieces 411, and multiple supporting pieces 411 are removably attachable to push away
Side of the plate 410 far from actuator 420.The setting of the interval of multiple supporting pieces 411, also, multiple supporting pieces 411 stretch to the first appearance
Inside 120 between emptying, so that country rock sample 11 can be supported by supporting piece 411 and provide extruding force to country rock sample 11.
It should be noted that in the present embodiment, multiple country rock samples can be placed inside the first accommodating space 120
11, it just can be held in multiple country rock samples 11 respectively by multiple supporting pieces 411, just can make between each country rock sample 11
Stress does not interfere, the accuracy of guarantee test.Also, one or more of which supporting piece 411 can be dismantled, so that
The simulation of multiple sample ambient stresses just can be unfolded not by the extruding of supporting piece 411 in part country rock sample 11 simultaneously, can be effective
Experimentation cost is saved on ground.
In addition, in the present embodiment, triaxiality device 10 further includes multiple backing plates 412.It is accommodating empty first when needing
Between 120 inside place multiple country rock samples 11 when, a backing plate 412 can be set between each two adjacent country rock sample 11,
So that not interfered between adjacent country rock sample 11, to ensure the accuracy of simulation test.
In the present embodiment, the pressure texture 200 that is arranged towards first direction and pressure texture 200 towards second direction
Structure is identical, then illustrates by taking the pressure texture 200 towards first direction as an example.
Fig. 1 and Fig. 4 are please referred to, pressure texture 200 includes the first briquetting 210 and the second briquetting 220, wherein first
Briquetting 210 is connected to supporting body 100, and the second briquetting 220 is connected to pressure apparatus 400, and is provided with court on the first briquetting 210
To the first inclined-plane 211 of pressure apparatus 400, the second briquetting 220 is slidably connected to the first inclined-plane 211.That is, in the present embodiment,
When pressure apparatus 400 is moved along third direction, pressure apparatus 400 can drive the second briquetting 220 to be moved towards the first inclined-plane 211
It is dynamic, then it can make the second briquetting 220 while being moved along third direction, the second briquetting 220 is moved simultaneously towards first direction,
Just the second briquetting 220 can be made to squeeze country rock sample 11.
It should be noted that in the present embodiment, the first inclined-plane 211 is parallel to second direction, can to fill when pressure
400 are set when driving the second briquetting 220 to be moved so that the second briquetting 220 is not in the offset in second direction, can be protected
Demonstrate,prove the stability of the second briquetting 220.
Further, in the present embodiment, compatible with the first inclined-plane 211 second is provided on the second briquetting 220 tiltedly
Face 221, by the mutual cooperation on the first inclined-plane 211 and the second inclined-plane 221, so that 220 energy of the first briquetting 210 and the second briquetting
Smoothly opposite sliding, and the sliding stability for ensureing the second briquetting 220 is contacted by face.
In addition, pressure texture 200 further includes sliding rail 212, sliding rail 212 is set to the first inclined-plane 211, and the second inclined-plane
Sliding slot 222 compatible with sliding rail 212 is offered on 221, so that sliding rail 212 can be slideably positioned in inside sliding slot 222, with logical
The setting for crossing sliding rail 212 and sliding slot 222 provides guiding role to the sliding between the first briquetting 210 and the second briquetting 220, into
One step avoids the offset generated between the first briquetting 210 and the second briquetting 220.
In the present embodiment, the extending direction of sliding rail 212 and straight line where straight line where first direction and third direction are total
With in the plane formed, the movement in second direction is generated to avoid the second briquetting 220.
It should be appreciated that in other embodiments, sliding rail 212 can be equally set on the second inclined-plane 221, similarly, the
Sliding slot 222 is opened up on one inclined-plane 211, same can realize realizes the first briquetting by the mutual cooperation of sliding rail 212 and sliding slot 222
210 and the second guiding role between briquetting 220.
In the present embodiment, pressure apparatus 400 further includes the second connector 430, and the second connector 430 is connected to push plate
410 and second between briquetting 220, and the second connector 430 can opposite push plate 410 move and adjust the second briquetting 220 and push away
The distance between plate 410.That is, in the present embodiment, by adjusting the second connector 430 to adjust the second briquetting 220 and push plate
The distance between 410, different power transmission coefficients just can be realized, to simulate different triaxiality environment.
In addition, in the present embodiment, the second briquetting 220 is provided with pressing plate 300 close to the side of the first accommodating space 120,
So that the second briquetting 220 squeezes country rock sample 11 by pressing plate 300, so that can extruding equably be provided to country rock sample 11
Power ensures the validity of triaxiality simulation test.Also, it in the present embodiment, is set between the second briquetting 220 and pressing plate 300
Be equipped with multiple roller bearings 230 so that the second briquetting 220 is along third direction when moving, can by roller bearing 230 and pressing plate 300 it
Between relatively move, avoid pressing plate 300 that the second briquetting 220 is followed to move the damage for causing country rock sample 11 along third direction, ensure
The success rate of triaxiality simulation test.
Wherein, the axis of roller bearing 230 is perpendicular to third direction, and roller bearing 230 extends in a second direction, so that second
The more smooth stabilization of relative movement between briquetting 220 and pressing plate 300.It should be appreciated that in other embodiments, the second briquetting 220
Other sliding part (not shown) can also be set between pressing plate 300, for example, ball etc..
The triaxiality device 10 provided in the present embodiment is moved by pressure apparatus 400 along third direction, and drives one
A pressure texture 200 is moved along first direction, drives another pressure texture 200 to move in a second direction, so that passing through one
The load of power can realize the simulation of tripartite direction upper stress on a direction, save a large amount of cost.Also, by only needing one
The load mode of a power so that it is simpler for the operation of stress simulation test, more convenient for carrying out simulation test.Also, it is logical
Cross retract strip pressing plate 300 can realize simulation hole wall nearby with free face surrouding rock stress environment.By retracting part
The simulation of multiple sample ambient stresses just can be unfolded in supporting piece 411 simultaneously, can be effectively saved experimentation cost.By adjusting second
Connector 430 just can realize different power transmission coefficients, to simulate to adjust the distance between the second briquetting 220 and push plate 410
Different triaxiality environment.Also, triaxiality device 10 provided in this embodiment is simple in structure, easy to operate, is easy to take
Band.
Second embodiment
A kind of stress simulation system (not shown) is provided in the present embodiment, it can adding by power in one direction
The simulation for carrying the power that can complete 11 3 different directions of country rock sample, can be simply completed the simulation of triaxiality, and tie
Structure is simple, easy to operate convenient for assembling, the operation of energy short form test.Wherein, the stress simulation system provided in the present embodiment is adopted
With offer volume triaxiality device 10 in first embodiment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of triaxiality device is used for the triaxiality simulation test of country rock sample, which is characterized in that the triaxiality
Device includes the supporting body and pressure apparatus being set to inside the supporting body, two pressure textures and multiple pressing plates, wherein
One pressure texture is arranged and is oppositely arranged with a pressing plate, another described pressure texture towards first direction
Towards second direction be arranged and be oppositely arranged with a pressing plate, the pressure apparatus towards third direction be arranged and with one
The pressing plate is oppositely arranged, and the pressure apparatus is connected to two pressure textures, and the pressure apparatus can be along third direction
It is mobile, and one of them described pressure texture is driven to be moved along first direction, and drive another described pressure texture along second
Direction is moved, and the first direction, the second direction and the third direction form angle, the pressure apparatus, two two-by-two
A pressure texture and multiple pressing plates surround the first accommodating space jointly, and first accommodating space is for accommodating described
Country rock sample.
2. triaxiality device according to claim 1, which is characterized in that it is accommodating to offer second inside the supporting body
Space, the pressure apparatus, two pressure textures and multiple pressing plates may be contained within inside second accommodating space,
And there is second accommodating space opening towards the third direction, one of them described pressing plate to be open simultaneously close to described
It is detachably connected with the supporting body.
3. triaxiality device according to claim 2, which is characterized in that offer mounting hole and peace on the supporting body
Tankage, the mounting hole and the mounting groove offer opposite two side walls of the supporting body close to the opening respectively,
The pressing plate passes through the mounting hole and stretches into the mounting groove to be connected to the supporting body.
4. triaxiality device according to claim 1, which is characterized in that the pressure texture includes the first briquetting and the
Two briquettings, first briquetting are connected to the supporting body, and second briquetting is connected to the pressure apparatus, first pressure
The first inclined-plane towards the pressure apparatus is provided on block, second briquetting is slidably connected to first inclined-plane.
5. triaxiality device according to claim 4, which is characterized in that be provided on second briquetting and described
Compatible second inclined-plane in one inclined-plane, the pressure texture further includes sliding rail, and the sliding rail is set to first inclined-plane, described
Sliding slot compatible with the sliding rail is offered on second inclined-plane, the sliding rail is slidably connected to inside the sliding slot.
6. triaxiality device according to claim 4, which is characterized in that second briquetting is accommodating close to described first
There are one the pressing plates for the side setting in space, and roller bearing is provided between second briquetting and the pressing plate, the roller bearing
Axis is perpendicular to the third direction.
7. triaxiality device according to claim 1, which is characterized in that the pressure apparatus includes push plate and driving
One end of part, the actuator is connected to the supporting body, and the push plate is connected to the other end of the actuator, and described
Actuator can push the push plate, the push plate to be connected to two pressure textures along the third direction.
8. triaxiality device according to claim 7, which is characterized in that the pressure apparatus further includes multiple supports
Part, multiple supporting pieces are removably attachable to side of the push plate far from the actuator, between multiple supporting pieces
Every setting, and multiple supporting pieces stretch to inside first accommodating space, and the supporting piece is for squeezing described enclose
Rock sample.
9. triaxiality device according to claim 1, which is characterized in that the triaxiality device further includes the first company
Fitting is connected to the supporting body corresponding to the pressing plate of pressure texture described in one of them by first connector,
And first connector is movably connected on the supporting body, and first connector relatively described supporting body activity and can increase
Add or reduce the distance between the pressing plate and the supporting body.
10. a kind of stress simulation system, which is characterized in that include the triaxiality as described in any one of claim 1-9
Device.
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| CN113791325A (en) * | 2021-08-05 | 2021-12-14 | 中国科学院微电子研究所 | Stress measuring device and method for semiconductor device |
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| CN108387452B (en) | 2023-11-17 |
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