CN104535409B - A kind of multiphase coupled dynamic test system and method for more of true triaxial - Google Patents
A kind of multiphase coupled dynamic test system and method for more of true triaxial Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title abstract description 7
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- 239000007789 gas Substances 0.000 claims abstract description 60
- 230000002925 chemical effect Effects 0.000 claims abstract description 25
- 230000002277 temperature effect Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000011888 foil Substances 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 33
- 238000009863 impact test Methods 0.000 claims description 31
- 238000002474 experimental method Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 12
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- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
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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
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Abstract
The invention discloses a kind of more multiphase coupled dynamic test system and methods of true triaxial, the both ends of one end of incident bar and one end of transmission bar respectively with three axle loading devices are fixed；Three described axle loading devices are hexahedron, including three groups of pressure apparatus being oppositely arranged two-by-two；Pressurization and unloading can be individually controlled each face of rock sample, and can arbitrarily change six oil cylinder prestressing force loaded values, foil gauge is housed on incident bar and transmission bar, mechanical property when being easy to measure rock sample impact；Temperature effect pilot system and chemical effect pilot system are added in addition, pass through the temperature and a variety of chemical solvents of injection and various gases of regulating system, temperature field, chemical fields residing for change rock sample, in combination with the stress field suffered by rock sample, so as to obtain mechanical characteristics of the rock sample under the more multiphase coupled effects such as stress field, temperature field, chemical fields, solid, liquid, gas, data and theories integration are provided for follow-up research.
Description
Technical field
The present invention relates to a kind of more multiphase coupled dynamic test system and methods of true triaxial, belong to Mechanics Performance Testing
Technical field.
Background technology
The three-dimensional dynamic character experimental study of rock material is a field critically important in rock impact dynamics, and
The focus studied at present.By summarizing the development status of three axle SHPB (Hopkinson pressure bar) rock mechanics experiment machines, and
The characteristics of all kinds of testing machines, is compared.Three axle SHPB of comprehensive analysis experiment research papers, it is common to summarize some
It is regular：1. in the case where confined pressure is certain, the dynamic compression strength of rock can increase with the increase of strain rate, show
Linear function or exponential function increase form, and fragility weakens, and plasticity dramatically increases；2. in the certain situation of strain rate
Under, compressive strength of rock can increase with the increase of confined pressure, and linear relationship is than more significant；3. during rock coupled static-dynamic loadingi,
In the timing of axle pressure one, the sound composite axial compression intensity of rock can increase with the increase of confined pressure, show approximately linear increase
Trend；When confined pressure is fixed, compression strength shows the trend of first increases and then decreases with the increase of axial static pressure.Due to SHPB
The characteristics of experimental rig and rock material itself, at present in some basic problems, such as loading stress waveform, specimen size requirement
Etc., qualitative comparison can only be also carried out without unified test specification requirement, number of test results, can not be on unified yardstick
Carry out quantitative analysis.
At present, Split Hopkinson Bar (SHPB) device is still research strain rate section 101-103s-1Rock type materials
The classical test system of dynamic property.The device is initially proposed by B.Hopkinson, perfect by Davis and Kolsky, gradually
Form modern conventional SHPB systems.Conventional SHPB devices are mainly used in the test of the single shaft dynamic compressive property of material.
But in most cases, rock and Other Engineering material are often in multidirectional stressed state.Therefore, ground on SHPB devices
The three-dimensional dynamic character for studying carefully rock type materials is necessary.
Existing normal triaxial SHPB testing machines are the operation principle design with reference to static test- machine, i.e., are tried in common SHPB
Test on the basis of machine, the device of design one plus confined pressure, carry out impact test after applying confined pressure, this mode is referred to as false three axle rocks
Stone dynamic test device, it is all identical that its confined pressure applied upwards pressure in two axles, and confined pressure unloading is also same
When unload；But this be under ideal situation, and ore deposit actual conditions difference it is bigger, most of situation rock is each under mine
The power that individual direction is subject to is different, and all directions typically will not also unload simultaneously during pressure release, can so cause sample
Experiment it is larger with actual gap so that test measurement not comprehensively, can not be provided for follow-up study data support.Under other mine
Its mechanical property of rock and residing environment also have substantial connection, such as temperature, humidity, the concentration of gas, liquid pH value etc. all
The mechanical property of rock can be influenceed, actual conditions could really measure required rock mechanics number only close under mine
According to the Protective Research for the bump being easy to suffered by follow-up rock.Therefore how more real ore deposit subsurface environment is being simulated
Carry out the problem of dynamic rock mechanics experiment is industry urgent need to resolve.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of more multiphase coupled dynamic tests of true triaxial
System and method, not only the prestressed loading to each face of rock sample can individually control pressurization and unloading, while can make rock
The environment that stone sample is under simulation mine is tested, and makes the situation of experiment similar to actual conditions, improves test sample institute
Data and data that actual conditions under ore deposit obtain it is closer.
To achieve these goals, the technical solution adopted by the present invention is：More multiphase coupled dynamics of this kind of true triaxial
Pilot system, including experiment axle, hydraulic system, bullet, infrared tachymeter, dynamic strain indicator, digital oscilloscope and data processing
System, bullet are on same axis with experiment axle, and described experiment axle includes three axle loading devices, incident bar, transmission bar, suction
Put away sports equipment and absorber, the both ends of one end of incident bar and one end of transmission bar respectively with three axle loading devices are fixed；Transmission bar
The other end is compressed with absorbing rod and absorber and is in absorbing rod and absorber on same axis successively；Described three axles loading
Device is hexahedron, including three groups of pressure apparatus being oppositely arranged two-by-two；Six described pressure apparatus completely or partially cover
Rock sample, the pressure apparatus all covered to rock sample apply be it is pre- answer pressure, and the pressure apparatus that part covers to
What rock sample applied is pre- to answer shearing force；Each pressure apparatus is respectively equipped with a solenoid electric valve and connected with hydraulic system
Connect, solenoid electric valve is connected with data handling system；Infrared tachymeter is arranged between bullet and incident bar, incident bar and transmission
Foil gauge is housed on bar, foil gauge is connected with dynamic strain indicator, digital oscilloscope respectively with infrared tachymeter, dynamic strain indicator and
Data handling system connects；Totally three, described experiment axle, respectively X-axis, Y-axis and Z axis.
Further, in addition to temperature effect pilot system, described temperature effect pilot system include thermal-insulating body, temperature
Sensor and thermocouple, temperature sensor and thermocouple are connected with data handling system respectively.Increase temperature effect pilot system
It can guarantee that rock sample is at various temperature to be tested, draw corresponding data.
Further, in addition to chemical effect pilot system, described chemical effect pilot system include anticorrosion casing and
PH value detection means, described pH value detection means are arranged in anti-corrosion case body, pH value detection means and data handling system
Connection.Increase chemical effect pilot system can be such that rock sample is under solution different various PH to be tested, then drawn
Corresponding data.
Further, the anticorrosion casing in described chemical effect pilot system is provided with air inlet and gas outlet, in air inlet
A detection of gas flow rate device is respectively provided with mouth and gas outlet, anticorrosion box house is provided with gas concentration detection apparatus, institute
The detection of gas flow rate device and gas concentration detection apparatus stated are connected with data handling system respectively.Increase air inlet and outlet
Mouthful, rock sample can be made to be under various gas stations and tested, then draw corresponding data.
Further, in addition to spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, spectroanalysis instrument, mass spectrometer
It is connected with diffraction analysis instrument with data handling system.It is easy to the rock sample of collection to carry out compound mensuration, and carries out classification processing.
Further, described pressure apparatus is one or more hydraulic jacks.
Further, described hydraulic system includes six hydraulic pumps, and each hydraulic pump is connected with a pressure apparatus respectively；
Ensure that each hydraulic pump supplies a pressure apparatus using six hydraulic pumps, be easy to the independent control of pressure apparatus.
A kind of multiphase coupled dynamic test method of more of true triaxial, is concretely comprised the following steps：
Ith, rock sample impact test：
A. the rock sample of collection is analyzed by spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, it is determined that
The component of various materials, is then classified in each rock sample；Due to the different meetings of the component of various materials in rock sample
The mechanical property of rock sample is influenceed, after spectroanalysis instrument, mass spectrometer and diffraction analysis instrument analysis measure, division group
Divide scope, rock sample is classified, carry out the experiment of rock sample respectively, improve experiment accuracy；
B. sorted rock sample is placed in three axle loading devices, consolidated after then adjusting the angle between three axles
It is fixed；Required angle of attack can be arbitrarily adjusted, is easy to measure in all directions to the mechanical property after the impact of rock sample；
C. each pressure apparatus on three axle loading devices is controlled to apply prestressing force to rock sample by data handling system；
Due to using individually controlling, can thus control pressure value and the pressure prestressed time of each pressure apparatus, while can
Individually carry out the unloading of pressure；
D. the incident direction of one or more bullets is set, impact test, infrared tachymeter collection are carried out to rock sample
To data, the pressure value of each pressure apparatus sends data processing in the dynamic strain indicator data and hydraulic system that collect
System is analyzed and processed, and result is shown by display device；By the impact of one or more bullets, simulate
When impact or multiple directions of the rock sample by direction are impacted, the situation of its mechanical property；
E. when bullet carries out impact test to rock sample, each pressure apparatus is applied into prestressing force to rock sample and entered
The one or more unloadings of row, the data and liquid that the data then collected again by infrared tachymeter, dynamic strain indicator collect
The pressure value of each pressure apparatus sends data handling system to and analyzed and processed in pressure system；By to pressure apparatus one
Or multiple unloadings, can the ground pressure of simulation rock sample in one direction be released or when the ground pressure of multiple directions is released, its
The situation of mechanical property；
F. repeat the above steps B~E, and the angle value, each pressure apparatus between adjustable three axles apply pre- to rock
Stress value, the incidence rate of one or two or three bullets and the quantity of each pressure apparatus unloading pressure at the trial, most
The mechanical property parameters of the rock sample that various components are different under various different situations are drawn by data handling system afterwards, it is wrapped
Include the measure of the pulling force to rock sample, pressure, torsion, shearing force and bending force；
IIth, the rock sample impact test in chemical effect system：
A. experimental rig is placed in chemical effect system, after being immersed in the solution of different PH to rock sample
The rock sample impact test in step I is carried out, real-time pH value is passed to by data handling system by PH detection means, entered
And draw the mechanical property parameters of the rock sample under each pH value solution；
It is each to being injected in liquor box body by air inlet when experimental rig b. being immersed in into the solution in chemical effect system
The rock sample impact test in step I is carried out after kind gas, by the detection of gas flow rate for being arranged on air inlet and gas outlet
Device record injects gas and excludes the flow value of gas, and the gas in the real-time detection container casing of gas concentration detection apparatus is dense
Angle value, the data of above-mentioned measurement are passed into data handling system, and then drawn in various gases and its different concentration
Situation and draw rock sample to the rock sample under the absorbing state of various gases by the uninterrupted situation of inlet and outlet
Mechanical property parameters；The gas of injection can be methane, gas, nitrogen and oxygen etc., because rock sample is to various gas meetings
Have absorption, its absorb after mechanical property can change, can so draw it is various in the case of rock sample mechanical property；
IIIth, the rock sample impact test in temperature effect system：Experimental rig is placed in temperature effect system, led to
Data handling system control thermocouple heating is crossed, rock sample is at a variety of temperature the rock carried out in step I
Sample impact test, draw the mechanical property parameters of the rock sample under various temperature conditions；
IVth, rock sample impact test under integrated environment：Experimental rig is placed on temperature effect system and chemical effect
In system, the rock sample impact test in step I is carried out in the case of can simulating closest to ore deposit subsurface environment, can integrate and draw
It is above-mentioned it is various in the case of rock sample mechanical property parameters；, can be by data handling system if measured value is abnormal
Warning device, related personnel is prompted to carry out timely processing；
Vth, comprehensive analysis processing：The various data that above-mentioned each step is drawn carry out synthesis, then analysis contrast
The mechanical property parameters that rock sample is drawn in each environment, draw under various environment to the shadow of rock sample mechanical property
The situation of sound.
Compared with prior art, the present invention using three axle loading devices, data handling system, chemical effect pilot system and
Temperature effect sample system is combined, and realizes the loading procedure of true triaxial, and traditional Hopkinson system is merely able to one-dimensional
Or tested in the case of confined pressure, but this does not accomplish that true triaxial loads, the system can not only realize X-axis, Y-axis and Z axis
The independent loads of three axial directions, and the independent loads process in same axially distinct direction can be realized, it is achieved thereby that true three
The loading of axle；Traditional device is merely able to the impact in a direction in addition, and the present invention can impact while three axial directions, and three
Individual axial angle can be adjusted arbitrarily as needed；By the way that reversely coaxial loading is changed to non co axial Opposite side loading so as to enter
Row press, cut, be curved, turn round etc. with impact combine, can make rock sample be in simulate mine under environment tested, make the feelings of experiment
Condition is similar to actual conditions, and raising test sample the data obtained and the data that actual conditions under ore deposit obtain are closer.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the electrical schematic diagram of the experiment axle of the present invention；
Fig. 3 is the structural representation that three axle loading devices all cover in the present invention；
Fig. 4 is the structural representation that three axle loading device parts cover in the present invention；
Fig. 5 is the structural representation of temperature effect system in the present invention；
Fig. 6 is the structural representation of chemical effect system in the present invention；
Fig. 7 is the overall electrical schematic diagram of the present invention.
In figure：1st, bullet, 2, incident bar, 3, three axle loading devices, 4, transmission bar, 5, absorbing rod, 6, absorber, 7, insulation
Casing, 8, temperature sensor, 9, thermocouple, 10, anticorrosion casing, 11, gas concentration detection apparatus, 12, detection of gas flow rate
Device, 13, pH value detection means.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 7, the present invention include experiment axle, hydraulic system, bullet 1, infrared tachymeter, dynamic strain indicator,
Digital oscilloscope and data handling system, bullet 1 are on same axis with experiment axle, and described experiment axle loads including three axles
Device 3, incident bar 2, transmission bar 4, absorbing rod 5 and absorber 6, one end of incident bar 2 and one end of transmission bar 4 respectively with three axles
The both ends of loading device 3 are fixed；The other end of transmission bar 4 compressed successively with absorbing rod 5 and absorber 6 and with absorbing rod 5 and inhale
Device 6 is received to be on same axis；Three described axle loading devices 3 are hexahedron, including three groups of pressure dresses being oppositely arranged two-by-two
Put；Six described pressure apparatus all or part overlying rock samples, each pressure apparatus are respectively equipped with an Electromagnetic Control
Valve is simultaneously connected with hydraulic system, and solenoid electric valve is connected with data handling system；Infrared tachymeter is arranged on bullet 1 and incident bar
Between 2, foil gauge is housed on incident bar 2 and transmission bar 4, foil gauge is connected with dynamic strain indicator, digital oscilloscope respectively with it is red
Outer tachymeter, dynamic strain indicator connect with data handling system；Totally three, described experiment axle, respectively X-axis, Y-axis and Z axis.
Further, in addition to temperature effect pilot system, described temperature effect pilot system include thermal-insulating body 7, temperature
Degree sensor 8 and thermocouple 9, temperature sensor 8 and thermocouple 9 are connected with data handling system respectively.Increase temperature effect examination
Check system can guarantee that rock sample is at various temperature and be tested, and draw corresponding data.
Further, in addition to chemical effect pilot system, described chemical effect pilot system include anticorrosion casing 10
With pH value detection means 13, described pH value detection means 13 is arranged in anticorrosion casing 10, pH value detection means 13 and number
Connected according to processing system.Increase chemical effect pilot system can be such that rock sample is under solution different various PH to be tried
Test, then draw corresponding data.
Further, the anticorrosion casing 10 in described chemical effect pilot system is provided with air inlet and gas outlet, is entering
A detection of gas flow rate device 12 is respectively provided with gas port and gas outlet, the inside of anticorrosion casing 10 is provided with gas concentration detection dress
11 are put, described detection of gas flow rate device 12 and gas concentration detection apparatus 11 are connected with data handling system respectively.Increase
Air inlet and gas outlet, rock sample can be made to be under various gas stations and tested, then draw corresponding data.
Further, in addition to spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, spectroanalysis instrument, mass spectrometer
It is connected with diffraction analysis instrument with data handling system.It is easy to the rock sample of collection to carry out compound mensuration, and carries out classification processing.
Further, described pressure apparatus is one or more hydraulic jacks.
Further, described hydraulic system includes six hydraulic pumps, and each hydraulic pump is connected with a pressure apparatus respectively；
Ensure that each hydraulic pump supplies a pressure apparatus using six hydraulic pumps, be easy to the independent control of pressure apparatus.
A kind of multiphase coupled dynamic test method of more of true triaxial, is concretely comprised the following steps：
Ith, rock sample impact test：
A. the rock sample of collection is analyzed by spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, it is determined that
The component of various materials, is then classified in each rock sample；Due to the different meetings of the component of various materials in rock sample
The mechanical property of rock sample is influenceed, after spectroanalysis instrument, mass spectrometer and diffraction analysis instrument analysis measure, division group
Divide scope, rock sample is classified, carry out the experiment of rock sample respectively, improve experiment accuracy；
B. sorted rock sample is placed in three axle loading devices 3, consolidated after then adjusting the angle between three axles
It is fixed；Required angle of attack can be arbitrarily adjusted, is easy to measure in all directions to the mechanical property after the impact of rock sample；
C. each pressure apparatus on three axle loading devices 3 is controlled to apply pre- answer to rock sample by data handling system
Power；Due to using individually control, can thus control the pressure value of each pressure apparatus and press the prestressed time, simultaneously
The unloading of pressure can individually be carried out；
D. the incident direction of one or more bullets 1 is set, impact test, infrared tachymeter collection are carried out to rock sample
To data, the pressure value of each pressure apparatus sends data processing in the dynamic strain indicator data and hydraulic system that collect
System is analyzed and processed, and result is shown by display device；By the impact of one or more bullets, simulate
When impact or multiple directions of the rock sample by direction are impacted, the situation of its mechanical property；
E. when bullet 1 carries out impact test to rock sample, each pressure apparatus is applied into prestressing force to rock sample
Carry out one or more unloadings, data that the data that are then collected again by infrared tachymeter, dynamic strain indicator collect and
The pressure value of each pressure apparatus sends data handling system to and analyzed and processed in hydraulic system；By to pressure apparatus one
Individual or multiple unloading, can the ground pressure of simulation rock sample in one direction be released or when the ground pressure of multiple directions is released,
The situation of its mechanical property；
F. repeat the above steps B~E, and the angle value, each pressure apparatus between adjustable three axles apply pre- to rock
Stress value, the incidence rate of one or two or three bullets 1 and the quantity of each pressure apparatus unloading pressure at the trial, most
The mechanical property parameters of the rock sample that various components are different under various different situations are drawn by data handling system afterwards, it is wrapped
Include the measure of the pulling force to rock sample, pressure, torsion, shearing force and bending force；
IIth, the rock sample impact test in chemical effect system：
A. experimental rig is placed in chemical effect system, after being immersed in the solution of different PH to rock sample
The rock sample impact test in step I is carried out, real-time pH value is passed to by data handling system by PH detection means 13,
And then draw the mechanical property parameters of the rock sample under each pH value solution；
It is each to being injected in liquor box body by air inlet when experimental rig b. being immersed in into the solution in chemical effect system
The rock sample impact test in step I is carried out after kind gas, by the detection of gas flow rate for being arranged on air inlet and gas outlet
The record of device 12 injects gas and excludes the flow value of gas, the gas in the real-time detection container casing of gas concentration detection apparatus 11
Bulk concentration value, the data of above-mentioned measurement are passed into data handling system, and then drawn in various gases and its different dense
The situation of degree and the situation for the flow for passing through inlet and outlet draw rock sample to the rock sample under the absorbing state of various gases
Mechanical property parameters；The gas of injection can be methane, gas, nitrogen and oxygen etc., because rock sample is to various gases
Have absorption, its absorb after mechanical property can change, can so draw it is various in the case of rock sample mechanical property
Energy；
IIIth, the rock sample impact test in temperature effect system：Experimental rig is placed in temperature effect system, led to
Cross data handling system control thermocouple 9 to heat, rock sample is at a variety of temperature the rock carried out in step I
Sample impact test, draw the mechanical property parameters of the rock sample under various temperature conditions；
IVth, rock sample impact test under integrated environment：Experimental rig is placed on temperature effect system and chemical effect
In system, the rock sample impact test in step I is carried out in the case of can simulating closest to ore deposit subsurface environment, can integrate and draw
It is above-mentioned it is various in the case of rock sample mechanical property parameters；, can be by data handling system if measured value is abnormal
Warning device, related personnel is prompted to carry out timely processing；
Vth, comprehensive analysis processing：The various data that above-mentioned each step is drawn carry out synthesis, then analysis contrast
The mechanical property parameters that rock sample is drawn in each environment, draw under various environment to the shadow of rock sample mechanical property
The situation of sound.
Claims (5)
1. a kind of multiphase coupled dynamic test method of more of true triaxial, the dynamic test system of use includes experiment axle, liquid
Pressure system, bullet（1）, infrared tachymeter, dynamic strain indicator, digital oscilloscope, spectroanalysis instrument, mass spectrometer, diffraction point
Analyzer and data handling system, bullet（1）It is in experiment axle on same axis, described experiment axle includes three axle loading devices
（3）, incident bar（2）, transmission bar（4）, absorbing rod（5）And absorber（6）, incident bar（2）One end and transmission bar（4）One end
Respectively with three axle loading devices（3）Both ends fix；Transmission bar（4）The other end successively with absorbing rod（5）And absorber（6）Pressure
Tight and and absorbing rod（5）And absorber（6）On same axis；Three described axle loading devices（3）For hexahedron, including three
The pressure apparatus that group is oppositely arranged two-by-two；Six described pressure apparatus all or part overlying rock samples, each pressure dress
Put and be respectively equipped with a solenoid electric valve and be connected with hydraulic system, solenoid electric valve is connected with data handling system, described
Pressure apparatus is one or more hydraulic jacks；Infrared tachymeter is arranged on bullet（1）With incident bar（2）Between, incident bar（2）
And transmission bar（4）Upper that foil gauge be housed, foil gauge is connected with dynamic strain indicator, digital oscilloscope respectively with infrared tachymeter, move
State deformeter connects with data handling system；Spectroanalysis instrument, mass spectrometer and diffraction analysis instrument and data handling system connect
Connect, totally three, described experiment axle, respectively X-axis, Y-axis and Z axis, it is characterised in that concretely comprise the following steps：
Ith, rock sample impact test：
A. the rock sample of collection is analyzed by spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, determined each
The component of various materials, is then classified in rock sample；
B. sorted rock sample is placed on three axle loading devices（3）In, fixed after then adjusting the angle between three axles；
C. three axle loading devices are controlled by data handling system（3）Upper each pressure apparatus applies prestressing force to rock sample；
D. one or more bullets are set（1）Incident direction, impact test is carried out to rock sample, infrared tachymeter collects
Data, the pressure value of each pressure apparatus sends data processing system in the dynamic strain indicator data and hydraulic system that collect
System is analyzed and processed, and result is shown by display device；
E. when bullet carries out impact test to rock sample, each pressure apparatus is applied into prestressing force to rock sample and carries out one
Individual or multiple unloadings, the data and hydraulic pressure system that the data then collected again by infrared tachymeter, dynamic strain indicator collect
The pressure value of each pressure apparatus sends data handling system to and analyzed and processed in system；
F. repeat the above steps B~E, adjust three axles between angle value, each pressure apparatus rock is applied prestress value,
One or two or three bullets（1）Incidence rate and the quantity of each pressure apparatus unloading pressure at the trial, finally lead to
The mechanical property parameters that data handling system draws the rock sample that various components are different under various different situations are crossed, it includes pair
The pulling force of rock sample, pressure, torsion, the measure of shearing force and bending force；
IIth, the rock sample impact test in chemical effect system：
A. pilot system is placed in chemical effect system, it is laggard by the solution that different PH is immersed in rock sample
Rock sample impact test in row step I, passes through PH detection means（13）Real-time pH value is passed into data handling system,
And then draw the mechanical property parameters of the rock sample under each pH value solution；
When pilot system b. being immersed in into the solution in chemical effect system, by air inlet to anticorrosion casing（10）Interior note
Enter the rock sample impact test carried out after various gases in step I, by the gas flow for being arranged on air inlet and gas outlet
Detection means（12）Record injection gas and the flow value for excluding gas, gas concentration detection apparatus（11）Detection anticorrosion in real time
Casing（10）Interior gas concentration value, the data of above-mentioned measurement are passed into data handling system, and then drawn in various gas
The situation of body and its different concentration and draw absorbing state of the rock sample to various gases by the traffic conditions of inlet and outlet
Under rock sample mechanical property parameters；
IIIth, the rock sample impact test in temperature effect system：
Pilot system is placed in temperature effect system, thermocouple is controlled by data handling system（9）Heating, tries rock
Sample is at a variety of temperature the rock sample impact test carried out in step I, draws the rock under various temperature conditions
The mechanical property parameters of sample；
IVth, rock sample impact test under integrated environment：
Pilot system is placed in temperature effect system and chemical effect system, in the case of simulating closest to ore deposit subsurface environment
Carry out the rock sample impact test in step I, it is comprehensive draw it is above-mentioned it is various in the case of rock sample mechanical property parameters；
If measured value is abnormal, by the warning device in data handling system, related personnel is prompted to carry out timely processing；
Vth, comprehensive analysis processing：The various data that above-mentioned each step is drawn carry out synthesis, then analysis contrast rock
The mechanical property parameters that sample is drawn in each environment, draw the influence feelings to rock sample mechanical property under various environment
Condition.
A kind of 2. multiphase coupled dynamic test method of more of true triaxial according to claim 1, it is characterised in that institute
The temperature effect system stated includes thermal-insulating body（7）, temperature sensor（8）And thermocouple（9）, temperature sensor（8）And thermoelectricity
It is even（9）It is connected respectively with data handling system.
A kind of 3. multiphase coupled dynamic test method of more of true triaxial according to claim 1, it is characterised in that institute
The chemical effect system stated includes anticorrosion casing（10）With pH value detection means（13）, described pH value detection means（13）If
Put in anticorrosion casing（10）It is interior, pH value detection means（13）It is connected with data handling system.
4. the multiphase coupled dynamic test method of more of a kind of true triaxial according to claim 3, it is characterised in that described
Chemical effect system in anticorrosion casing（10）Provided with air inlet and gas outlet, one is respectively provided with air inlet and gas outlet
Individual detection of gas flow rate device（12）, anticorrosion casing（10）Inside is provided with gas concentration detection apparatus（11）, described gas
Flow detector（12）And gas concentration detection apparatus（11）It is connected respectively with data handling system.
A kind of 5. multiphase coupled dynamic test method of more of true triaxial according to claim 1, it is characterised in that institute
The hydraulic system stated includes six hydraulic pumps, and each hydraulic pump is connected with a pressure apparatus respectively.
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| PCT/CN2015/082590 WO2016110067A1 (en) | 2015-01-08 | 2015-06-29 | True triaxial multi-field multi-phase coupling dynamic test system and method |
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