CN107941625A - Rock full rigidity true triaxial system and deep rock mass temperature stress coupled simulation system - Google Patents
Rock full rigidity true triaxial system and deep rock mass temperature stress coupled simulation system Download PDFInfo
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- CN107941625A CN107941625A CN201711343690.0A CN201711343690A CN107941625A CN 107941625 A CN107941625 A CN 107941625A CN 201711343690 A CN201711343690 A CN 201711343690A CN 107941625 A CN107941625 A CN 107941625A
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- 239000011435 rock Substances 0.000 title claims abstract description 56
- 238000004088 simulation Methods 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 19
- 239000000523 sample Substances 0.000 description 34
- 238000005266 casting Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- 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
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating 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
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
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- 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 rock full rigidity true triaxial system and deep rock mass temperature stress coupled simulation system, it is related to geotechnical engineering field.A kind of rock full rigidity true triaxial system, including rigid true triaxial system and temperature control system, rigid true triaxial system includes the first loading axis perpendicular to each other, the second loading axis and the 3rd loading axis, drive system is connected to the first loading axis, the second loading axis and the 3rd loading axis, to drive the first loading axis to extend along respectively, direction is mobile, the second loading axis extends along direction movement or the 3rd loading axis extends along direction movement, and squeeze test sample, temperature control system are used to fit in test specimen and are heated to test specimen.A kind of deep rock mass temperature stress coupled simulation system, which employs above-mentioned rock full rigidity true triaxial system.Rock full rigidity true triaxial system provided by the invention and deep rock mass temperature stress coupled simulation system can realize the progress stress path simulated experiment under 800 DEG C of hot environment.
Description
Technical field
The present invention relates to geotechnical engineering field, in particular to rock full rigidity true triaxial system and deep rock mass temperature
Spend stress coupling simulation system.
Background technology
The simulation of true triaxial stress path is one of important laboratory facilities of study of rocks mechanical characteristic, and under the high temperature conditions
Stress path simulation experiment study is carried out to the rock mechanics under research deep special engineering geological conditions with very heavy
The meaning wanted.And with the exploitation of the resources such as shale gas in recent years, deep geothermal heat, urgent need one kind can mould at high temperature
Intend the device of different high-ground stress states, this is proposed no small challenge to experimental principle now and laboratory apparatus.It is big at present
The rock true triaxial laboratory apparatus that majority is used for simulating stress state is all to use Combined Loading mode, i.e., axially loaded for rigidity
Plate, in addition both sides four sides uses flexible board, or wherein corresponds to two sides rigid plate, and another pair answers two sides to use flexible board,
This just needs the injection hydraulic oil in balancing gate pit to realize the loading of confined pressure to rock sample, therefore can not simulate more than 200 DEG C
High temperature underground environment.
The content of the invention
It is an object of the invention to provide a kind of rock full rigidity true triaxial system, it can be real by rigid load mode
Stress path simulation experiment study is carried out in the environment of present 800 DEG C, and can ensure the reliable of simulated experiment in the case of a high temperature
Property.
Another object of the present invention is to provide a kind of deep rock mass temperature stress coupled simulation system, it passes through rigid
Load mode carries out stress path simulation experiment study in the environment of realizing 800 DEG C, and can ensure to simulate in the case of a high temperature
The reliability of experiment.
The present invention provides a kind of technical solution：
A kind of rock full rigidity true triaxial system, including rigid true triaxial system and temperature control system, the rigidity true triaxial
System includes the first loading axis, the second loading axis, the 3rd loading axis and drive system, and first loading axis, described second add
Carry axis and the 3rd loading axis it is vertical two-by-two, the drive system be connected to first loading axis, described second plus
Axis and the 3rd loading axis are carried, so that the drive system can drive first loading axis respectively along the described first loading
The extending direction of extending direction mobile, described second loading axis along second loading axis of axis moves or the 3rd loading
Axis is moved along the extending direction of the 3rd loading axis, so that first loading axis, second loading axis or described
Three loading axis can extrude the test specimen, and the temperature control system is used for the outside for fitting in the test specimen and to the examination
Test sample heating.
Further, the drive system includes the first actuator, the second actuator and the 3rd actuator, and described first drives
Moving part is connected to first loading axis, and second actuator is connected to second loading axis, and the 3rd actuator connects
It is connected to the 3rd loading axis.
Further, the rigid true triaxial system, which further includes, contains component, and the component that contains is used to contain the examination
Sample is tested, the component that contains is arranged between first loading axis, second loading axis and the 3rd loading axis, institute
Stating the first loading axis can be described along containing component described in the extension and extruding of first loading axis to extrude the test specimen
Second loading axis can extrude the test specimen along component is contained described in the extension and extruding of second loading axis, and described
Three loading axis can extrude the test specimen along component is contained described in the extension and extruding of the 3rd loading axis.
Further, the component that contains includes the first pressure part, the second pressure part and the 3rd pressure part, and described first holds
Casting die, second pressure part and the 3rd pressure part are mutually permanently connected, and first pressure part, described second hold
Casting die and the 3rd pressure part it is close to each other side it is vertical two-by-two, first pressure part, second pressure part and institute
State the 3rd pressure part side close to each other and be respectively facing first loading axis, second loading axis and the 3rd loading
Axis.
Further, the component that contains further includes the first pressing piece, the second pressing piece and the 3rd pressing piece, and described first
Pressing piece is used to fit in side of the test specimen relative to first pressure part, and first loading axis passes through described
First pressing piece extrudes the test specimen；Second pressing piece is used to fit in the test specimen relative to described second
The side of pressure part, second loading axis extrude the test specimen by second pressing piece；3rd pressing piece
For fitting in side of the test specimen relative to the 3rd pressure part, the 3rd loading axis is applied by the described 3rd
Casting die extrudes the test specimen.
Further, first pressure part side mutually close with first pressing piece is parallel to each other, and described second
The pressure part side mutually close with second pressing piece is parallel to each other, and the 3rd pressure part is mutually leaned on the 3rd pressing piece
Near side is parallel to each other.
Further, the temperature control system includes flexible heater muff and temperature-controlling cabinet, and the flexible heater muff is used
In the outside for fitting in the test specimen, the temperature-controlling cabinet is connected to the flexible heater muff, and the temperature-controlling cabinet is used for
Adjust the temperature in the flexible heater muff.
Further, the flexible heater muff includes flexible heater layer and flexible heat-insulating layer, the flexible heater layer
For fitting in the outside of the test specimen, and the flexible heater layer is connected to the temperature-controlling cabinet, the flexible heat-insulating
Layer fits in outside of the flexible heater layer relative to the test specimen.
Further, first through hole, the second through hole and third through-hole are offered on the flexible heater muff, described
One through hole is adapted with first loading axis, and first loading axis can stretch into the first through hole to extrude the test sample
Product；Second through hole is adapted with second loading axis, and second loading axis can stretch into second through hole to extrude
The test specimen；The third through-hole is adapted with the 3rd loading axis, and the 3rd loading axis can stretch into the described 3rd
Through hole is to extrude the test specimen.
A kind of deep rock mass temperature stress coupled simulation system, including control system and true triaxial side amount system, the rock
Stone full rigidity true triaxial system includes rigid true triaxial system and temperature control system, and the rigidity true triaxial system includes the first loading
Axis, the second loading axis, the 3rd loading axis and drive system, first loading axis, second loading axis and the described 3rd add
It is vertical two-by-two to carry axis, the drive system is connected to first loading axis, second loading axis and the described 3rd adds
Axis is carried, so that the drive system can drive first loading axis to be moved along the extending direction of first loading axis respectively
The extending direction of dynamic, described second loading axis along second loading axis moves or the 3rd loading axis adds along the described 3rd
The extending direction movement of axis is carried, so that first loading axis, second loading axis or the 3rd loading axis can extrude
The test specimen, the temperature control system are used for the outside for fitting in the test specimen and are heated to the test specimen.Institute
State control system and be connected to drive system and temperature control system, the control system is used to control drive system to drive institute respectively
State the first loading axis, second loading axis and the 3rd loading axis and apply pressure to the test specimen, and the control system
System is used for the temperature for detecting the temperature control system.
Compared with prior art, rock full rigidity true triaxial system provided by the invention and deep rock mass temperature stress coupled mode
The beneficial effect of plan system is：
Rock full rigidity true triaxial system provided by the invention and deep rock mass temperature stress coupled simulation system are by setting
Put the first loading axis driven independently of each other, the second loading axis and the 3rd loading axis, and pass through drive system driving the respectively
The extending direction of one loading axis along the first loading axis is moved with squeeze test sample, drives the second loading axis along the second loading axis
Extending direction movement is moved with squeeze test with squeeze test sample, the 3rd loading axis of driving along the extending direction of the 3rd loading axis
Sample, and the first loading axis, the second loading axis and the 3rd loading axis are vertical so that can be from three orthogonal sides two-by-two
To squeeze test sample, with the environment of realizing 800 DEG C by rigid load mode in three mutually orthogonal directions into
Row stress path simulation experiment study.In addition, heated up by temperature control system to test specimen, by the simulated environment of experiment
It is heated to the temperature specified.That is, rock full rigidity true triaxial system provided by the invention and deep rock mass temperature stress coupling are passed through
Conjunction simulation system carries out stress path simulation experiment study in the environment of being reliably achieved 800 DEG C.
Brief 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 illustrate only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of scope.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 structure diagram for the rock full rigidity true triaxial system that the first embodiment of the present invention provides；
Fig. 2 is the structure diagram for the rock full rigidity true triaxial system part that the first embodiment of the present invention provides；
Fig. 3 is the structural representation for the deep rock mass temperature stress coupled simulation system that the second embodiment of the present invention provides
Figure；
Fig. 4 is that the partial structurtes for the deep rock mass temperature stress coupled simulation system that the second embodiment of the present invention provides are shown
It is intended to.
Icon：10- rock full rigidity true triaxial systems；11- deep rock mass temperature stress coupled simulation systems；100- rigidity
True triaxial system；The first loading axis of 110-；The second loading axis of 120-；The 3rd loading axis of 130-；The first actuators of 141-；142-
Two actuators；The 3rd actuators of 143-；150- contains component；The first pressure parts of 151-；The second pressure parts of 152-；153- the 3rd is held
Casting die；The first pressing pieces of 154-；The second pressing pieces of 155-；The 3rd pressing pieces of 156-；200- temperature control systems；210- flexible heaters are protected
Temperature set；300- control systems；310- temperature sensors；320- pressure sensors；330- displacement sensors.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of 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 area is common
Technical staff's all other embodiments obtained without creative efforts, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents 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 instruction such as term " on ", " under ", " interior ", " outer ", "left", "right"
Orientation or position relationship be based on orientation shown in the drawings or position relationship, or the invention product using when usually put
Orientation or position relationship, or the orientation that usually understands of those skilled in the art or position relationship, be for only for ease of and retouch
State the present invention and simplify description, rather than indicate or imply that signified equipment or element there must be specific 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, and it is not intended that indicating or implying relatively important
Property.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, " setting ", " even
Connect " etc. term should be interpreted broadly, for example, " connection " can be fixedly connected or be detachably connected, or integratedly connect
Connect；Can mechanically connect or be electrically connected；Can be directly connected to, can also be indirectly connected with by intermediary, 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 embodiment of the present invention is described in detail.
First embodiment
Referring to Fig. 1, providing a kind of rock full rigidity true triaxial system 10 in the present embodiment, it is used to carry out stress road
Footpath simulation experiment study.Also, rock full rigidity true triaxial system 10 can realize 800 DEG C of environment by rigid load mode
Lower progress stress path simulation experiment study, and can ensure the reliability of simulated experiment in the case of a high temperature.
Fig. 1 and Fig. 2 are please referred to, wherein, rock full rigidity true triaxial system 10 includes rigid 100 He of true triaxial system
Temperature control system 200.Rigid true triaxial system 100 is used to provide rigid loading, to provide rigid extruding force to test specimen,
To simulate stress path.Temperature control system 200 is used to be heated to test specimen, so that the simulated environment temperature of test specimen
The temperature specified can be reached, in order to the simulation of experiment.
In the prior art, generally at least should there are one to test specimen for the simulation of stress path simulated experiment
Power simulation direction is flexible load mode, i.e. by injecting hydraulic oil, and the side by pressing to hydraulic oil in balancing gate pit
Formula indirectly pressurizes test specimen.Wherein, when needing to simulate the stress path simulated experiment under hot environment, hydraulic pressure
The situation that function is lost then occurs in oil in high temperature environments, is fatal for stress path simulation experiment study, leads often
Cause the failure of simulated experiment.
Rigid true triaxial system 100 includes the first loading axis 110, the second loading axis 120, the 3rd loading axis 130 and driving
System (figure is not marked).Wherein, the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 are vertical two-by-two, i.e., first adds
The extending direction for carrying the extending direction of axis 110, the extending direction of the second loading axis 120 and the 3rd loading axis 130 is vertical two-by-two.Separately
Outside, drive system is connected to the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130, so that drivetrain
System can drive the first loading axis 110 to be moved along the extending direction of the first loading axis 110 respectively, can drive 120 edge of the second loading axis
The extending direction movement of second loading axis 120, and extending direction of the 3rd loading axis 130 along the 3rd loading axis 130 can be driven
It is mobile, so that the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 can be from three mutually orthogonal directions
Extruding loading is carried out to test specimen, just can carry out stress path simulated experiment.
Wherein, the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 are rigid loading axis, so that
In temperature more than under 200 DEG C of hot environment, or even reach in temperature 800 DEG C of environment temperature and also can normally carry out stress
Path simulation is tested, while loading error or the error in arbitrary stress loading path will not occurs, just can be realized in temperature
Stress path simulated experiment can be also simulated under the hot environment of 800 DEG C of degree.
Wherein, drive system includes the first actuator 141, the second actuator 142 and the 3rd actuator 143.First driving
Part 141 is connected to the first loading axis 110, so that the first actuator 141 can drive the first loading axis 110 along the first loading axis
110 extending direction movement；Second actuator 142 is connected to the second loading axis 120, so that the second actuator 142 can drive
Second loading axis 120 is moved along the extending direction of the second loading axis 120；3rd actuator 143 is connected to the 3rd loading axis 130,
So that the 3rd actuator 143 can drive the 3rd loading axis 130 to be moved along the extending direction of the 3rd loading axis 130.Wherein, first
Loading axis 110, the second loading axis 120 and the 3rd loading axis 130 pass through the first actuator 141, the second actuator 142 and respectively
Three actuators 143 drive, so that the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 can independently drive
It is dynamic, i.e., so that the driving to the first loading axis 110, the driving to the second loading axis 120 and the driving phase to the 3rd loading axis 130
Do not had an impact mutually between mutually, ensure the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 respectively to test sample
The reliability and controllability of product pressure.
Further, rigid true triaxial system 100, which further includes, contains component 150, contains component 150 and is used to contain test sample
Product, and contain component 150 and be arranged between the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130, so that
First loading axis 110 can extrude along the extending direction of the first loading axis 110 and contain component 150 with squeeze test sample；So that the
Two loading axis 120 can extrude along the extending direction of the second loading axis 120 and contain component 150 with squeeze test sample；So that the 3rd
Loading axis 130 can extrude along the extending direction of the 3rd loading axis 130 and contain component 150 with squeeze test sample.
Wherein, containing component 150 includes the first pressure part 151, the second pressure part 152 and the 3rd pressure part 153.First holds
Casting die 151, the second pressure part 152 and the 3rd pressure part 153 are mutually permanently connected, and the first pressure part 151, the second pressure part
152 and the 3rd pressure part 153 it is close to each other side it is vertical two-by-two, and the first pressure part 151, the second pressure part 152 and
Three pressure parts 153 side close to each other is respectively facing the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130,
So that the first loading axis 110 test specimen in squeeze test sample can be resisted against on the first pressure part 151, to pass through first
The reaction force oppositely squeeze test sample that pressure part 151 produces, is realized to test specimen along 110 direction of the first loading axis
Extruding；Similarly, in squeeze test sample respectively, test specimen is born against for the second loading axis 120 and the 3rd loading axis 130
In the second pressure part 152 and the 3rd pressure part 153 so that the reaction force and the 3rd pressure part 153 that the second pressure part 152 produces
The reaction force of generation is respectively along the extending direction of the second loading axis 120 and the extending direction squeeze test of the 3rd loading axis 130
Sample, is tried with being separately implemented on the extending direction of the second loading axis 120 and being extruded on the extending direction of the 3rd loading axis 130
Test sample.
In the present embodiment, the first pressure part 151, the second pressure part 152 and the 3rd pressure part 153 side close to each other
It is collectively forming rectangular trihedral angle, i.e. the first pressure part 151 is connected with the second pressure part 152 and the 3rd pressure part 153 respectively, and second
Side of the pressure part 152 away from the first pressure part 151 is connected with side of the 3rd pressure part 153 away from the first pressure part 151,
In order to the positioning of test specimen.It should be appreciated that in other embodiments, also can be in the first pressure part 151 and the second pressure part
Gap is set between 152, gap either is set or in the second pressure-bearing between the first pressure part 151 and the 3rd pressure part 153
Gap is set between 152 and the 3rd pressure part 153 of part, or causes have between the first pressure part 151 and the 3rd pressure part 153
There is gap, or the first pressure part 151, the second pressure part between gap and the second pressure part 152 and the 3rd pressure part 153
152 and the 3rd are respectively provided with gap between pressure part 153.
In addition, containing component 150 further includes the first pressing piece 154, the second pressing piece 155 and the 3rd pressing piece 156, its
In, the first pressing piece 154 is used to fit in side of the test specimen relative to the first pressure part 151, so that the first loading axis
110 can be arranged at the first pressing piece 154 and the first pressure part by 154 squeeze test sample of the first pressing piece, i.e. test specimen
Between 151, the first pressing piece 154 is promoted to extrude test specimen by the first loading axis 110, and pass through the first pressure part
151 reaction forces produced cause 151 common squeeze test sample of the first pressing piece 154 and the first pressure part, to realize the
Test specimen is extruded on the extending direction of one loading axis 110.Similarly, the second pressing piece 155 is used to fit in test sample
Condition for the second pressure part 152 side so that the second loading axis 120 can pass through 155 squeeze test sample of the second pressing piece
Product, i.e. test specimen are arranged between the second pressing piece 155 and the second pressure part 152, and second is promoted by the second loading axis 120
Pressing piece 155 extrudes test specimen, and the second pressing piece of reaction force produced by the second pressure part 152
155 and 152 common squeeze test sample of the second pressure part, to realize on the extending direction of the second loading axis 120 to test sample
Product are extruded.3rd pressing piece 156 is used to fit in side of the test specimen relative to the 3rd pressure part 153, so that the
Three loading axis 130 can be arranged at the 3rd pressing piece 156 and by 156 squeeze test sample of the 3rd pressing piece, i.e. test specimen
Between three pressure parts 153, the 3rd pressing piece 156 is promoted to extrude test specimen by the 3rd loading axis 130, and pass through the
The reaction force that three pressure parts 153 produce causes 153 common squeeze test sample of the 3rd pressing piece 156 and the 3rd pressure part, with
Realization extrudes test specimen on the extending direction of the 3rd loading axis 130.
By setting the first pressing piece 154, the second pressing piece 155 and the 3rd pressing piece 156 to press test specimen,
So that the pressure that the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 produce test specimen is respectively by
One pressing piece 154, the second pressing piece 155 and the 3rd pressing piece 156 are evenly applied on test specimen, are ensured to test specimen
The reliability of pressure simulation stress path experiment.
In the present embodiment, the first pressure part 151 and the first pressing piece 154 side close to each other are parallel to each other, and second
152 and second pressing piece 155 of pressure part side close to each other is parallel to each other, the 3rd pressure part 153 and 156 phase of the 3rd pressing piece
Mutually close side is parallel to each other, so that the first pressing piece 154, the second pressing piece 155 and the 3rd pressing piece 156 are leading to respectively
The first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 is crossed to promote and be respectively facing the first pressure part 151, second
It can guarantee that the extruding on three directions will not mutually have an impact during 153 squeeze test sample of pressure part 152 and the 3rd pressure part,
The reliability of proof stress path simulation experiment.
Temperature control system 200 includes flexible heater muff 210 and temperature-controlling cabinet (not shown), and flexible heater muff 210 is used
In the outside for fitting in test specimen, to be heated to test specimen, by the ambient temperature of simulated experiment to the temperature specified
Degree, and environment temperature is held in by assigned temperature, proof stress patch test simulated environment temperature by flexible heater muff 210
The stability of degree, improves the reliability of stress path experimental simulation.Wherein, flexible heater muff 210 is connected with temperature-controlling cabinet, with
Pass through the temperature inside temperature-controlling cabinet adjustment control flexible heater muff 210.
It should be noted that wherein the environment temperature of simulated experiment can be heated to by flexible heater muff 210 from room temperature
Assigned temperature, its specific temperature can reach 800 DEG C of high temperature, and flexible heater muff 210 can be by the ring of simulated experiment
Arbitrary temp value of the border temperature in room temperature to 800 DEG C of sections, so that rock full rigidity true triaxial system 10 can be completed
Stress path simulated experiment under various temperature environment.
In the present embodiment, flexible heater muff 210 be used for fit in the first pressing piece 154, the second pressing piece 155,
3rd pressing piece 156, the first pressure part 151, the outside of the second pressure part 152 and the 3rd pressure part 153, and flexible heater is protected
Temperature set 210 is wrapped up in invest and contains the outside of component 150 and form confined space, to avoid there is heat-proof quality reduction, heat insulation effect drop
Low situation occurs.
Further, offered on flexible heater muff 210 first through hole (figure do not mark), the second through hole (figure is not marked) and
Third through-hole (figure do not mark), first through hole is adapted to the first loading axis 110, and the first loading axis 110 stretch into first through hole with
Squeeze test sample, i.e. the first loading axis 110 is held in the first pressing piece 154 through first through hole, to avoid the first loading axis
110 directly extrude flexible heater muff 210 and flexible heater muff 210 are caused to damage.Similarly, the second through hole and second
Loading axis 120 is adapted to, and the second loading axis 120 stretches into the second through hole with squeeze test sample, i.e. the second loading axis 120 is worn
Cross the second through hole and be held in the second pressing piece 155, flexible heater muff 210 is directly extruded to avoid the second loading axis 120 and
Flexible heater muff 210 is caused to damage.Third through-hole is adapted to the 3rd loading axis 130, and the 3rd loading axis 130 stretches into
Third through-hole is with squeeze test sample, i.e. and the 3rd loading axis 130 is held in the 3rd pressing piece 156 through third through-hole, to avoid
3rd loading axis 130 directly extrudes flexible heater muff 210 and flexible heater muff 210 is caused to damage.
Flexible heater muff 210 includes flexible heater layer (not shown) and flexible heat-insulating layer (not shown), flexible heater
Layer is used for the outside for fitting in test specimen, and in the present embodiment, flexible heater layer, which is used to fit in, contains the outer of component 150
Side, to heat to containing component 150 and indirectly heat the test specimen contained inside component 150, and flexible heater layer connects
Temperature-controlling cabinet is connected to, i.e., the temperature of flexible heater layer is adjusted by temperature-controlling cabinet.Flexible heat-insulating layer fit in flexible heater layer relative to
The outside of test specimen, to realize the purpose to simulated experimental environments insulation.
The rock full rigidity true triaxial system 10 provided in the present embodiment is by setting the drive independently of each other first loading
Axis 110, the second loading axis 120 and the 3rd loading axis 130, and the first loading axis 110 is driven along the by drive system respectively
The extending direction movement of one loading axis 110 drives the second loading axis 120 prolonging along the second loading axis 120 with squeeze test sample
Direction movement is stretched to move to extrude with squeeze test sample, the extending direction of the 3rd loading axis 130 along the 3rd loading axis 130 of driving
Test specimen, and the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 are vertical so that can be from three two-by-two
Mutually orthogonal direction squeeze test sample, to be realized in three mutually orthogonal directions by rigid load mode in temperature
Stress path simulation experiment study is carried out in the environment of 800 DEG C of degree.In addition, test specimen is risen by temperature control system 200
Temperature, assigned temperature is heated to by the simulated environment of experiment.
Second embodiment
Fig. 3 and Fig. 4 are please referred to, a kind of deep rock mass temperature stress coupled simulation system is provided in the present embodiment
11, it includes the rock full rigidity true triaxial system 10 provided in control system 300 and first embodiment.Control system 300 is divided
Drive system and temperature control system 200 are not connected to, and control system 300 is used to control drive system to drive the first loading axis respectively
110th, the second loading axis 120 and the 3rd loading axis 130 apply pressure to test specimen, and can pass through the control driving of control system 300
System drive the first loading axis 110, the second loading axis 120 and the 3rd loading axis 130 put on the pressure of test specimen.In addition,
Control system 300 is used for the temperature for detecting temperature control system 200, in order to detect and regulate and control the temperature of temperature control system 200 in real time.
In the present embodiment, control system 300 includes temperature sensor 310, multiple pressure sensors 320 and multiple displacements
Sensor 330, plurality of displacement sensor 330 is connected to the first pressing piece 154, the second pressing piece 155 and the 3rd is applied
Casting die 156, for the first pressing piece 154 of detection, the second pressing piece 155 and the 3rd pressing piece 156 respectively in the first loading axis
110th, the displacement that squeeze test sample produces under the promotion of the second loading axis 120 and the 3rd loading axis 130.In addition, multiple pressures
Force snesor 320 is connected to the first pressure part 151, the second pressure part 152 and the 3rd pressure part 153, pressure sensor 320
Test specimen is squeezed in the first pressure part 151 under the promotion of the first loading axis 110 for detecting the first pressing piece 154 respectively
On pressure, test specimen is squeezed on the second pressure part 152 by the second pressing piece 155 under the promotion of the second loading axis 120
Pressure and the 3rd pressing piece 156 test specimen is squeezed on the 3rd pressure part 153 under the promotion of the 3rd loading axis 130
Pressure.In addition, control system 300 controls the environment temperature of simulated experiment by temperature control system 200, temperature sensor 310 connects
Flexible heater muff 210 is connected to, to detect the temperature of flexible heater muff 210.
The thermal expansion force of rock is referred in deep rock mass structure or localized hyperthermia's underground structure, caused by high temperature
Rock mass expands and extrudes the power of surrounding rock body generation, is the composition portion that can not ignore in the crustal stress under high temperature geological conditions
Point.
Wherein, in the present embodiment, by keeping the first pressing piece 154, the second pressing piece 155 and the 3rd pressing piece 156
Relative to the displacement of test specimen, the environment temperature of simulated experiment is lifted by temperature control system 200, can be by heating before and after
Pressure comparison can then measure laboratory sample generation thermal expansion force.Can middle offer through this embodiment deep rock mass temperature
Stress coupling simulation system 11 directly measures the thermal expansion force of test specimen.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of rock full rigidity true triaxial system, it is characterised in that described firm including rigid true triaxial system and temperature control system
Property true triaxial system includes the first loading axis, the second loading axis, the 3rd loading axis and drive system, first loading axis, institute
State the second loading axis and the 3rd loading axis is vertical two-by-two, the drive system is connected to first loading axis, institute
The second loading axis and the 3rd loading axis are stated, so that the drive system can drive first loading axis respectively described in
The extending direction of extending direction mobile, described second loading axis along second loading axis of first loading axis moves or described
3rd loading axis is moved along the extending direction of the 3rd loading axis so that first loading axis, second loading axis or
3rd loading axis described in person can extrude the test specimen, and the temperature control system is for fitting in the outside of the test specimen simultaneously
Heated to the test specimen.
2. rock full rigidity true triaxial system according to claim 1, it is characterised in that the drive system includes first
Actuator, the second actuator and the 3rd actuator, first actuator are connected to first loading axis, second driving
Part is connected to second loading axis, and the 3rd actuator is connected to the 3rd loading axis.
3. rock full rigidity true triaxial system according to claim 1, it is characterised in that the rigidity true triaxial system is also
Including containing component, the component that contains is used to contain the test specimen, and the component that contains is arranged at first loading
Between axis, second loading axis and the 3rd loading axis, first loading axis can be along the extension of first loading axis
And contain component described in extruding to extrude the test specimen, second loading axis can along second loading axis extension simultaneously
Component is contained described in extruding to extrude the test specimen, the 3rd loading axis can along the 3rd loading axis extension and squeeze
Component is contained described in pressure to extrude the test specimen.
4. rock full rigidity true triaxial system according to claim 3, it is characterised in that the component that contains includes first
Pressure part, the second pressure part and the 3rd pressure part, first pressure part, second pressure part and the 3rd pressure part phase
Mutually it is fixedly connected, and first pressure part, second pressure part and the 3rd pressure part side two close to each other
Two is vertical, and first pressure part, second pressure part and the 3rd pressure part side close to each other are respectively facing institute
State the first loading axis, second loading axis and the 3rd loading axis.
5. rock full rigidity true triaxial system according to claim 4, it is characterised in that the component that contains further includes
One pressing piece, the second pressing piece and the 3rd pressing piece, first pressing piece are used to fit in the test specimen relative to institute
The side of the first pressure part is stated, first loading axis extrudes the test specimen by first pressing piece；Described second
Pressing piece is used to fit in side of the test specimen relative to second pressure part, and second loading axis passes through described
Second pressing piece extrudes the test specimen；3rd pressing piece is used to fit in the test specimen relative to the described 3rd
The side of pressure part, the 3rd loading axis extrude the test specimen by the 3rd pressing piece.
6. rock full rigidity true triaxial system according to claim 5, it is characterised in that first pressure part and described
The mutually close side of first pressing piece is parallel to each other, and second pressure part side mutually close with second pressing piece is mutual
Parallel, the 3rd pressure part side mutually close with the 3rd pressing piece is parallel to each other.
7. rock full rigidity true triaxial system according to claim 1, it is characterised in that the temperature control system includes flexibility
Heating and thermal insulation covers and temperature-controlling cabinet, and the flexible heater muff is used for the outside for fitting in the test specimen, the temperature-controlling cabinet
The flexible heater muff is connected to, the temperature-controlling cabinet is used to adjust the temperature in the flexible heater muff.
8. rock full rigidity true triaxial system according to claim 7, it is characterised in that the flexible heater muff bag
Flexible heater layer and flexible heat-insulating layer are included, the flexible heater layer is used for the outside for fitting in the test specimen, and described
Flexible heater layer is connected to the temperature-controlling cabinet, and the flexible heat-insulating layer fits in the flexible heater layer relative to the test sample
The outside of product.
9. rock full rigidity true triaxial system according to claim 7, it is characterised in that on the flexible heater muff
First through hole, the second through hole and third through-hole are offered, the first through hole is adapted with first loading axis, and described first
Loading axis can stretch into the first through hole to extrude the test specimen；Second through hole is mutually fitted with second loading axis
Match somebody with somebody, second loading axis can stretch into second through hole to extrude the test specimen；The third through-hole and the described 3rd
Loading axis is adapted, and the 3rd loading axis can stretch into the third through-hole to extrude the test specimen.
10. a kind of deep rock mass temperature stress coupled simulation system, it is characterised in that including control system and such as claim 1-
True triaxial side amount system in 9 described in any one, the control system is connected to drive system and temperature control system, described
Control system is used to control drive system to drive first loading axis, second loading axis and the 3rd loading axis respectively
Apply pressure to the test specimen, and the control system is used for the temperature that detects the temperature control system.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632462A (en) * | 2019-01-10 | 2019-04-16 | 北京理工大学 | A kind of material constitutive test method under complex stress condition |
| CN112014224A (en) * | 2020-07-31 | 2020-12-01 | 中国科学院武汉岩土力学研究所 | Method for testing three-dimensional thermal expansion stress of rock and soil material under three-dimensional stress condition |
| CN112964569A (en) * | 2021-02-19 | 2021-06-15 | 河南城建学院 | Full-automatic temperature control true triaxial apparatus |
| CN114441317A (en) * | 2020-11-06 | 2022-05-06 | 中国石油化工股份有限公司 | Shale hydration expansion stress testing device and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504356A (en) * | 2009-03-06 | 2009-08-12 | 中国科学院武汉岩土力学研究所 | Self-balancing rock full end face true three-axial compression test apparatus |
| CN203287254U (en) * | 2013-06-20 | 2013-11-13 | 张帆 | Rock hot-set coupling experiment system |
| CN104655495A (en) * | 2015-02-13 | 2015-05-27 | 太原理工大学 | High temperature and high pressure coal and rock true triaxial fracturing and seepage test device and test method |
| CN104677815A (en) * | 2015-03-06 | 2015-06-03 | 西南石油大学 | True triaxial rock parameter test system |
| CN105181471A (en) * | 2015-09-11 | 2015-12-23 | 中国矿业大学 | Rock true triaxial test system with CT (Computed Tomography) real-time scanning system and method |
| CN106370581A (en) * | 2016-09-29 | 2017-02-01 | 中国科学院武汉岩土力学研究所 | True triaxial shear rock mass shearing seepage test device suitable for high seepage pressure, and test method of test device |
| CN106840892A (en) * | 2017-03-20 | 2017-06-13 | 中国矿业大学 | A kind of vertical sound loading tester of coal petrography sample true triaxial |
| CN106932433A (en) * | 2017-02-28 | 2017-07-07 | 湖北工业大学 | The true triaxial device and method of thermal conductivity factor under test rock temperature and STRESS VARIATION |
| CN207689286U (en) * | 2017-12-13 | 2018-08-03 | 中国科学院武汉岩土力学研究所 | Rock full rigidity true triaxial system and deep rock mass temperature stress coupled simulation system |
-
2017
- 2017-12-13 CN CN201711343690.0A patent/CN107941625A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504356A (en) * | 2009-03-06 | 2009-08-12 | 中国科学院武汉岩土力学研究所 | Self-balancing rock full end face true three-axial compression test apparatus |
| CN203287254U (en) * | 2013-06-20 | 2013-11-13 | 张帆 | Rock hot-set coupling experiment system |
| CN104655495A (en) * | 2015-02-13 | 2015-05-27 | 太原理工大学 | High temperature and high pressure coal and rock true triaxial fracturing and seepage test device and test method |
| CN104677815A (en) * | 2015-03-06 | 2015-06-03 | 西南石油大学 | True triaxial rock parameter test system |
| CN105181471A (en) * | 2015-09-11 | 2015-12-23 | 中国矿业大学 | Rock true triaxial test system with CT (Computed Tomography) real-time scanning system and method |
| CN106370581A (en) * | 2016-09-29 | 2017-02-01 | 中国科学院武汉岩土力学研究所 | True triaxial shear rock mass shearing seepage test device suitable for high seepage pressure, and test method of test device |
| CN106932433A (en) * | 2017-02-28 | 2017-07-07 | 湖北工业大学 | The true triaxial device and method of thermal conductivity factor under test rock temperature and STRESS VARIATION |
| CN106840892A (en) * | 2017-03-20 | 2017-06-13 | 中国矿业大学 | A kind of vertical sound loading tester of coal petrography sample true triaxial |
| CN207689286U (en) * | 2017-12-13 | 2018-08-03 | 中国科学院武汉岩土力学研究所 | Rock full rigidity true triaxial system and deep rock mass temperature stress coupled simulation system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632462A (en) * | 2019-01-10 | 2019-04-16 | 北京理工大学 | A kind of material constitutive test method under complex stress condition |
| CN112014224A (en) * | 2020-07-31 | 2020-12-01 | 中国科学院武汉岩土力学研究所 | Method for testing three-dimensional thermal expansion stress of rock and soil material under three-dimensional stress condition |
| CN114441317A (en) * | 2020-11-06 | 2022-05-06 | 中国石油化工股份有限公司 | Shale hydration expansion stress testing device and method |
| CN112964569A (en) * | 2021-02-19 | 2021-06-15 | 河南城建学院 | Full-automatic temperature control true triaxial apparatus |
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