CN207689286U - 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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- CN207689286U CN207689286U CN201721748992.1U CN201721748992U CN207689286U CN 207689286 U CN207689286 U CN 207689286U CN 201721748992 U CN201721748992 U CN 201721748992U CN 207689286 U CN207689286 U CN 207689286U
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Abstract
The utility model discloses rock full rigidity true triaxial system and deep rock mass temperature stress coupled simulation systems, are 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, the second loading axis and third loading axis perpendicular to each other, drive system is connected to the first loading axis, the second loading axis and third loading axis, to drive the first loading axis to extend along, direction is mobile, the second loading axis extends along direction movement or third loading axis extends along direction movement, and squeeze test sample, temperature control system is for fitting in test specimen and being heated to test specimen.A kind of deep rock mass temperature stress coupled simulation system, which employs above-mentioned rock full rigidity true triaxial systems.Rock full rigidity true triaxial system provided by the utility model 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 utility model is related to geotechnical engineering fields, in particular to rock full rigidity true triaxial system and deep rock
Temperature 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 along 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 the Combined Loading mode that uses, i.e., axially loaded for rigidity
Plate, in addition both sides four sides is all made of flexible board, or in which corresponding two sides rigid plate, another pair answer two sides to use flexible board,
This just needs to inject load of the hydraulic oil to rock sample realization confining pressure in balancing gate pit, therefore can not simulate at 200 DEG C or more
High temperature underground environment.
Utility model content
The purpose of this utility model is to provide a kind of rock full rigidity true triaxial systems, pass through the load mode of rigidity
It can realize and carry out stress path simulation experiment study in the environment of 800 DEG C, and can ensure simulated experiment in the case of a high temperature
Reliability.
The another object of the utility model is to provide a kind of deep rock mass temperature stress coupled simulation system, by rigid
Property load mode can realize 800 DEG C in the environment of carry out stress path simulation experiment study, and can ensure in the case of a high temperature
The reliability of simulated experiment.
The utility model 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, third loading axis and drive system, and first loading axis, described second add
Carry axis and the third loading axis it is vertical two-by-two, the drive system be connected to first loading axis, described second plus
Axis and the third loading axis are carried, so that the drive system can respectively drive first loading axis along first load
The extending direction movement of axis, second loading axis are moved along the extending direction of second loading axis or third load
Axis is moved along the extending direction of the third loading axis, so that first loading axis, second loading axis or described
Three loading axis can squeeze the test specimen, and the temperature control system is used to fit in the outside of the test specimen and to the examination
Test sample heating.
Further, the drive system includes the first actuator, the second actuator and third actuator, and described first drives
Moving part is connected to first loading axis, and second actuator is connected to second loading axis, and the third actuator connects
It is connected to the third loading axis.
Further, the rigid true triaxial system further includes containing component, and the component that contains is for containing the examination
Sample is tested, the component that contains is set between first loading axis, second loading axis and the third loading axis, institute
Component can be contained described in the extension and extruding along first loading axis to squeeze the test specimen by stating the first loading axis, described
Second loading axis can contain component described in the extension and extruding along second loading axis to squeeze the test specimen, and described
Three loading axis can contain component to squeeze the test specimen described in the extension and extruding along the third loading axis.
Further, the component that contains includes the first pressure part, the second pressure part and third pressure part, and described first holds
Casting die, second pressure part and the third pressure part are mutually permanently connected, and first pressure part, described second hold
Casting die and the third pressure part it is close to each other side it is vertical two-by-two, first pressure part, second pressure part and institute
It states third pressure part side close to each other and is respectively facing first loading axis, second loading axis and third load
Axis.
Further, the component that contains further includes the first pressing piece, the second pressing piece and third pressing piece, and described first
Pressing piece passes through described for fitting in side of the test specimen relative to first pressure part, first loading axis
First pressing piece squeezes the test specimen;Second pressing piece is for fitting in the test specimen relative to described second
The side of pressure part, second loading axis squeeze the test specimen by second pressing piece;The third pressing piece
For fitting in side of the test specimen relative to the third pressure part, the third loading axis is applied by the third
Casting die squeezes the test specimen.
Further, first pressure part side mutually close with first pressing piece is mutually parallel, and described second
The pressure part side mutually close with second pressing piece is mutually parallel, and the third pressure part is mutually leaned on the third pressing piece
Close side is mutually parallel.
Further, the temperature control system includes flexible heater muff and temperature-controlling cabinet, and the flexible heater heat preservation is applied mechanically
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
Outside for fitting in 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 squeeze the test sample
Product;Second through-hole is adapted with second loading axis, and second loading axis can stretch into second through-hole to squeeze
The test specimen;The third through-hole is adapted with the third loading axis, and the third loading axis can stretch into the third
Through-hole is to squeeze the test specimen.
System, the rock are measured in a kind of deep rock mass temperature stress coupled simulation system, including control system and true triaxial side
Stone full rigidity true triaxial system includes rigid true triaxial system and temperature control system, and the rigidity true triaxial system includes the first load
Axis, the second loading axis, third loading axis and drive system, first loading axis, second loading axis and the third add
Load axis is vertical two-by-two, and the drive system is connected to first loading axis, second loading axis and the third and adds
Axis is carried, is moved along the extending direction of first loading axis so that the drive system can respectively drive first loading axis
Dynamic, described second loading axis is moved along the extending direction of second loading axis or the third loading axis adds along the third
The extending direction movement for carrying axis, so that first loading axis, second loading axis or the third loading axis can squeeze
The test specimen, the temperature control system are used to fit in the outside of the test specimen and are heated to the test specimen.Institute
It states control system and is connected to drive system and temperature control system, the control system respectively drives institute for controlling drive system
It states the first loading axis, second loading axis and the third loading axis and applies pressure to the test specimen, and the control is
The temperature united for detecting the temperature control system.
Compared with prior art, rock full rigidity true triaxial system provided by the utility model and deep rock mass temperature stress coupling
Closing the advantageous effect of simulation system is:
Rock full rigidity true triaxial system provided by the utility model and deep rock mass temperature stress coupled simulation system are logical
The first loading axis, the second loading axis and third loading axis that setting drives independently of each other are crossed, and is driven respectively by drive system
Dynamic first loading axis is moved along the extending direction of the first loading axis with squeeze test sample, and the second loading axis of driving is along the second load
The extending direction of axis is moved with squeeze test sample, and driving third loading axis is moved along the extending direction of third loading axis to squeeze
Test specimen, and the first loading axis, the second loading axis and third loading axis are vertical so that can be mutually perpendicular to from three two-by-two
Direction squeeze test sample, the load mode to pass through rigidity in three mutually orthogonal directions realizes 800 DEG C of environment
Lower progress stress path simulation experiment study.In addition, heated up to test specimen by temperature control system, the simulation that will be tested
Environment is heated to specified temperature.That is, passing through rock full rigidity true triaxial system provided by the utility model and deep rock mass temperature
Degree stress coupling simulation system carries out stress path simulation experiment study in the environment of capable of being reliably achieved 800 DEG C.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as.For those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the rock full rigidity true triaxial system that the first embodiment of the utility model provides;
Fig. 2 is the structural representation for the rock full rigidity true triaxial system part that the first embodiment of the utility model provides
Figure;
Fig. 3 is that the structure for the deep rock mass temperature stress coupled simulation system that the second embodiment of the utility model provides is shown
It is intended to;
Fig. 4 is the part knot for the deep rock mass temperature stress coupled simulation system that the second embodiment of the utility model provides
Structure schematic diagram.
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-;130- third loading axis;The first actuators of 141-;142-
Two actuators;143- third actuators;150- contains component;The first pressure parts of 151-;The second pressure parts of 152-;153- thirds are held
Casting die;The first pressing pieces of 154-;The second pressing pieces of 155-;156- third pressing pieces;200- temperature control systems;210- flexible heaters are protected
Temperature set;300- control systems;310- temperature sensors;320- pressure sensors;330- displacement sensors.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
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 should be understood that term "upper", "lower", "inner", "outside", "left", "right" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings or the utility model product use when
The orientation or positional relationship that the orientation or positional relationship or those skilled in the art usually put usually understand, be only for
Described convenient for description the utility model and simplifying, do not indicate or imply the indicated equipment or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present 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 should also be noted that, unless otherwise clearly defined and limited, " setting ",
Terms such as " connections " shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or one
Ground connects;It can be mechanical connection, can also be electrical connection;Can be directly connected to, can also by between intermediary in succession
It connects, can be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be
The concrete meaning of above-mentioned term in the present invention.
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model 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
Diameter simulation experiment study.Also, rock full rigidity true triaxial system 10 can realize 800 DEG C of environment by the load mode of rigidity
Lower progress stress path simulation experiment study, and can ensure the reliability of simulated experiment in the case of a high temperature.
Please refer to Fig. 1 and Fig. 2, 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 for providing rigid load, to provide the extruding force of rigidity to test specimen,
To simulate stress path.Temperature control system 200 to test specimen for being heated, so that the simulated environment temperature of test specimen
Specified temperature can be reached, in order to the simulation of experiment.
In the prior art, for the simulation of stress path simulated experiment, generally test specimen is at least answered in the presence of one
It is load mode flexible that power, which simulates direction, that is, by injecting hydraulic oil, and the side by pressing to hydraulic oil in balancing gate pit
Formula indirectly pressurizes to test specimen.Wherein, when needing to simulate the stress path simulated experiment under hot environment, hydraulic pressure
Oil then will appear the case where function is lost under high temperature environment, 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, third loading axis 130 and driving
System (figure is not marked).Wherein, the first loading axis 110, the second loading axis 120 and third 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 third 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 third loading axis 130, so that driving system
System can respectively drive the first loading axis 110 and be moved along the extending direction of the first loading axis 110, can drive 120 edge of the second loading axis
The extending direction of second loading axis 120 moves, and third loading axis 130 can be driven along the extending direction of third loading axis 130
It is mobile, so that the first loading axis 110, the second loading axis 120 and third loading axis 130 can be from three mutually orthogonal directions
Extruding load 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 third 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 third 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;Third actuator 143 is connected to third loading axis 130,
So that third actuator 143 can drive third loading axis 130 to be moved along the extending direction of third loading axis 130.Wherein, first
Loading axis 110, the second loading axis 120 and third 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 third loading axis 130 can independently drive
It is dynamic, that is, make driving, the driving to the second loading axis 120 and the driving phase to third loading axis 130 to the first loading axis 110
It is not had an impact mutually between mutually, ensures the first loading axis 110, the second loading axis 120 and third loading axis 130 respectively to test sample
The reliability and controllability of product pressure.
Further, rigid true triaxial system 100 further includes containing component 150, contains component 150 for containing test sample
Product, and contain component 150 and be set between the first loading axis 110, the second loading axis 120 and third loading axis 130, so that
First loading axis 110 can squeeze 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 squeeze along the extending direction of the second loading axis 120 and contain component 150 with squeeze test sample;Make third
Loading axis 130 can squeeze along the extending direction of third loading axis 130 and contain component 150 with squeeze test sample.
Wherein, it includes the first pressure part 151, the second pressure part 152 and third pressure part 153 to contain component 150.First holds
Casting die 151, the second pressure part 152 and third pressure part 153 are mutually permanently connected, and the first pressure part 151, the second pressure part
152 and third 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 third 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 generates 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 third loading axis 130
In the second pressure part 152 and third pressure part 153 so that the reaction force and third pressure part 153 that the second pressure part 152 generates
The reaction force of generation is respectively along the extending direction of the second loading axis 120 and the extending direction squeeze test of third loading axis 130
Sample is tried with being separately implemented on the extending direction of the second loading axis 120 and being squeezed on the extending direction of third loading axis 130
Test sample.
In the present embodiment, the first pressure part 151, the second pressure part 152 and the side close to each other of third pressure part 153
Rectangular trihedral angle is collectively formed, that is, the first pressure part 151 is connect with the second pressure part 152 and third pressure part 153 respectively, and second
Side of the pressure part 152 far from the first pressure part 151 is connected with side of the third pressure part 153 far from the first pressure part 151,
In order to the positioning of test specimen.It should be appreciated that in other embodiments, it also can be in the first pressure part 151 and the second pressure part
Gap is set between 152, gap is either set between the first pressure part 151 and third pressure part 153 or in the second pressure-bearing
Gap is set between part 152 and third pressure part 153, or makes have between the first pressure part 151 and third 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 third pressure part 153
Gap is all had between 152 and third pressure part 153.
In addition, it further includes the first pressing piece 154, the second pressing piece 155 and third pressing piece 156 to contain component 150,
In, the first pressing piece 154 is for fitting in side of the test specimen relative to the first pressure part 151, so that the first loading axis
110 can be set to 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 pushed to squeeze test specimen by the first loading axis 110, and pass through the first pressure part
151 reaction forces generated make 151 common squeeze test sample of the first pressing piece 154 and the first pressure part, to realize the
Test specimen is squeezed on the extending direction of one loading axis 110.Similarly, the second pressing piece 155 is for fitting 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 set between the second pressing piece 155 and the second pressure part 152, and second is pushed by the second loading axis 120
Pressing piece 155 squeezes test specimen, and makes the second pressing piece by the reaction force that the second pressure part 152 generates
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 squeezed.Third pressing piece 156 is used to fit in side of the test specimen relative to third pressure part 153, so that the
Three loading axis 130 can be set to third pressing piece 156 and by 156 squeeze test sample of third pressing piece, i.e. test specimen
It between three pressure parts 153, pushes third pressing piece 156 to squeeze test specimen by third loading axis 130, and passes through the
The reaction force that three pressure parts 153 generate makes 153 common squeeze test sample of third pressing piece 156 and third pressure part, with
Realization squeezes test specimen on the extending direction of third loading axis 130.
It is pressed to test specimen by the way that the first pressing piece 154, the second pressing piece 155 and third pressing piece 156 is arranged,
So that the pressure that generates to test specimen of the first loading axis 110, the second loading axis 120 and third loading axis 130 is respectively by the
One pressing piece 154, the second pressing piece 155 and third 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 mutually parallel, and second
Pressure part 152 and the second pressing piece 155 side close to each other are mutually parallel, 156 phase of third pressure part 153 and third pressing piece
Mutually close side is mutually parallel, so that the first pressing piece 154, the second pressing piece 155 and third pressing piece 156 are leading to respectively
The first loading axis 110, the second loading axis 120 and third loading axis 130 is crossed to push 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 when 153 squeeze test sample of pressure part 152 and third 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, the environment temperature of simulated experiment is heated to specified temperature
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 connect with temperature-controlling cabinet, with
Pass through the temperature inside temperature-controlling cabinet adjusting 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, 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 for fit in the first pressing piece 154, the second pressing piece 155,
The outside of third pressing piece 156, the first pressure part 151, the second pressure part 152 and third pressure part 153, and flexible heater is protected
Temperature set 210 is wrapped up in invest and contains 150 outside of component 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, that is, the first loading axis 110 is held in the first pressing piece 154 across first through hole, to avoid the first loading axis
110 directly squeeze flexible heater muff 210 and are damaged to flexible heater muff 210.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, that is, 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 squeezed to avoid the second loading axis 120 and
Flexible heater muff 210 is damaged.Third through-hole is adapted to third loading axis 130, and third loading axis 130 stretches into
Third through-hole is with squeeze test sample, that is, and third loading axis 130 is held in third pressing piece 156 across third through-hole, to avoid
Third loading axis 130 directly squeezes flexible heater muff 210 and is damaged to flexible heater muff 210.
Flexible heater muff 210 includes flexible heater layer (not shown) and flexible heat-insulating layer (not shown), flexible heater
Outside of the layer for fitting in test specimen, in the present embodiment, flexible heater layer, which is used to fit in, contains the outer of component 150
Side, with component 150 heats and indirectly heating contains the test specimen inside component 150, and flexible heater layer company to containing
It is connected to temperature-controlling cabinet, i.e., adjusts the temperature of flexible heater layer by temperature-controlling cabinet.Flexible heat-insulating layer fit in flexible heater layer relative to
The outside of test specimen, to realize the purpose kept the temperature to simulated experimental environments.
The rock full rigidity true triaxial system 10 provided in the present embodiment is by being arranged the drive independently of each other first load
Axis 110, the second loading axis 120 and third loading axis 130, and drive the first loading axis 110 along the by drive system respectively
The extending direction of one loading axis 110 is moved with squeeze test sample, drives the second loading axis 120 prolonging along the second loading axis 120
Direction movement is stretched with squeeze test sample, and driving third loading axis 130 is moved along the extending direction of third loading axis 130 to squeeze
Test specimen, and the first loading axis 110, the second loading axis 120 and third loading axis 130 are vertical so that can be from three two-by-two
Mutually orthogonal direction squeeze test sample is realized with the load mode by rigidity in three mutually orthogonal directions in temperature
Stress path simulation experiment study is carried out in the environment of 800 DEG C of degree.In addition, being risen to test specimen by temperature control system 200
The simulated environment of experiment is heated to assigned temperature by temperature.
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 comprising the rock full rigidity true triaxial system 10 provided in control system 300 and first embodiment.Control system 300 is divided
It is not connected to drive system and temperature control system 200, control system 300 respectively drives the first loading axis for controlling drive system
110, the second loading axis 120 and third 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 third loading axis 130 are applied to the pressure of test specimen.In addition,
Control system 300 is used to detect the temperature of 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 are connected to the first pressing piece 154, the second pressing piece 155 and third and apply
Casting die 156, for the first pressing piece 154 of detection, the second pressing piece 155 and third pressing piece 156 respectively in the first loading axis
110, the displacement that squeeze test sample generates under the promotion of the second loading axis 120 and third loading axis 130.In addition, multiple pressures
Force snesor 320 is connected to the first pressure part 151, the second pressure part 152 and third pressure part 153, pressure sensor 320
Test specimen is extruded 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 extruded under the promotion of the second loading axis 120 on the second pressure part 152 by the second pressing piece 155
Pressure and third pressing piece 156 test specimen is extruded on third pressure part 153 under the promotion of third 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
It is connected to flexible heater muff 210, to detect the temperature of flexible heater muff 210.
The thermal expansion force of rock refers in deep rock mass structure or localized hyperthermia's underground structure, caused by high temperature
Rock mass expands and squeezes 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 third pressing piece 156
Relative to the displacement of test specimen, the environment temperature of simulated experiment is promoted by temperature control system 200, can be by heating before and after
Pressure comparison can then measure laboratory sample generation thermal expansion force.Can through this embodiment in provide deep rock mass temperature
Stress coupling simulation system 11 directly measures the thermal expansion force of test specimen.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rock full rigidity true triaxial system, which is characterized in that described rigid including rigid true triaxial system and temperature control system
Property true triaxial system include the first loading axis, the second loading axis, third loading axis and drive system, first loading axis, institute
It states the second loading axis and the third loading axis is vertical two-by-two, the drive system is connected to first loading axis, institute
The second loading axis and the third loading axis are stated, so that the drive system can respectively drive first loading axis described in
The extending direction of first loading axis is mobile, second loading axis is moved along the extending direction of second loading axis or described
Third loading axis is moved along the extending direction of the third loading axis so that first loading axis, second loading axis or
Third loading axis energy squeeze test sample described in person, the temperature control system are used to fit in the outside of the test specimen and to institutes
State test specimen heating.
2. rock full rigidity true triaxial system according to claim 1, which is characterized in that the drive system includes first
Actuator, the second actuator and third actuator, first actuator are connected to first loading axis, second driving
Part is connected to second loading axis, and the third actuator is connected to the third loading axis.
3. rock full rigidity true triaxial system according to claim 1, which is characterized 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 set to first load
Between axis, second loading axis and the third loading axis, first loading axis can be along the extension of first loading axis
And described in squeezing contain component to squeeze the test specimen, second loading axis can along second loading axis extension simultaneously
Component is contained described in extruding to squeeze the test specimen, the third loading axis can along the third loading axis extension and squeeze
Component is contained described in pressure to squeeze the test specimen.
4. rock full rigidity true triaxial system according to claim 3, which is characterized in that the component that contains includes first
Pressure part, the second pressure part and third pressure part, first pressure part, second pressure part and the third pressure part phase
It is mutually fixedly connected, and first pressure part, second pressure part and third pressure part side two close to each other
Two is vertical, and first pressure part, second pressure part and third pressure part side close to each other are respectively facing institute
State the first loading axis, second loading axis and the third loading axis.
5. rock full rigidity true triaxial system according to claim 4, which is characterized in that the component that contains further includes
One pressing piece, the second pressing piece and third pressing piece, first pressing piece is for fitting in the test specimen relative to institute
The side of the first pressure part is stated, first loading axis squeezes the test specimen by first pressing piece;Described second
Pressing piece passes through described for fitting in side of the test specimen relative to second pressure part, second loading axis
Second pressing piece squeezes the test specimen;The third pressing piece is for fitting in the test specimen relative to the third
The side of pressure part, the third loading axis squeeze the test specimen by the third pressing piece.
6. rock full rigidity true triaxial system according to claim 5, which is characterized in that first pressure part and described
The mutually close side of first pressing piece is mutually parallel, and second pressure part side mutually close with second pressing piece is mutual
Parallel, the third pressure part side mutually close with the third pressing piece is mutually parallel.
7. rock full rigidity true triaxial system according to claim 1, which is characterized in that the temperature control system includes flexibility
Heating and thermal insulation covers and temperature-controlling cabinet, and the flexible heater muff is used to fit in the outside of the test specimen, the temperature-controlling cabinet
It is connected to the flexible heater muff, 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, which is characterized in that the flexible heater muff packet
Flexible heater layer and flexible heat-insulating layer are included, the flexible heater layer is used to fit in the outside of 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, which is characterized 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 squeeze the test specimen;Second through-hole is mutually fitted with second loading axis
Match, second loading axis can stretch into second through-hole to squeeze the test specimen;The third through-hole and the third
Loading axis is adapted, and the third loading axis can stretch into the third through-hole to squeeze the test specimen.
10. a kind of deep rock mass temperature stress coupled simulation system, which is characterized in that including control system and such as claim 1-
System is measured in true triaxial side described in any one of 9, and the control system is connected to drive system and temperature control system, described
Control system respectively drives first loading axis, second loading axis and the third loading axis for controlling drive system
Apply pressure to the test specimen, and the control system is used to detect the temperature of the temperature control system.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107941625A (en) * | 2017-12-13 | 2018-04-20 | 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 |
CN109632511A (en) * | 2019-01-27 | 2019-04-16 | 贵州工程应用技术学院 | A kind of rock mechanics imitative experimental appliance |
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2017
- 2017-12-13 CN CN201721748992.1U patent/CN207689286U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107941625A (en) * | 2017-12-13 | 2018-04-20 | 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 |
CN109632511A (en) * | 2019-01-27 | 2019-04-16 | 贵州工程应用技术学院 | A kind of rock mechanics imitative experimental appliance |
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