CN104897458B - A kind of multiphase multi- scenarios method anchoring body combined deformation test method - Google Patents
A kind of multiphase multi- scenarios method anchoring body combined deformation test method Download PDFInfo
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- CN104897458B CN104897458B CN201510218850.3A CN201510218850A CN104897458B CN 104897458 B CN104897458 B CN 104897458B CN 201510218850 A CN201510218850 A CN 201510218850A CN 104897458 B CN104897458 B CN 104897458B
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- anchor
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- anchoring assembly
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- 238000004873 anchoring Methods 0.000 title claims abstract description 129
- 238000010998 test method Methods 0.000 title claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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- 230000003019 stabilising Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
Abstract
The invention discloses a kind of multiphase multi- scenarios method anchoring body combined deformation pilot system and methods, three axis loading devices are matched with anchor pole or anchor cable testing machine for mechanical properties, the three axis loading devices are hexahedron, the pressure apparatus being oppositely arranged two-by-two including three groups, each pressure apparatus are respectively equipped with a solenoid electric valve and connect with hydraulic system；Coal petrography sample in anchoring assembly can be applied in prestressed situation, carry out the mechanical tests such as tension and compression, torsion, bending and the shearing of anchor pole or anchor cable；In addition Multi anchorage effect test can be carried out to anchoring assembly；Equipment further includes temperature effect pilot system and chemical effect pilot system simultaneously, pass through the temperature and the various chemical solvents of injection and gas of regulating system, change temperature field, chemical fields locating for sample, to carry out mechanical test of the anchoring assembly under the more multiphase coupled effects such as stress field, temperature field, chemical fields, solid, liquid, gas, theories integration is provided for subsequent research and engineering design.
Description
Technical field
The present invention relates to a kind of multiphase multi- scenarios method anchoring body combined deformation test methods, belong to mechanics performance testing technology
Field.
Background technique
In geotechnical engineering, using anchor pole or anchorage cable anchoring technology, using anchor pole or anchor cable will be crushed or unstable ground
Body links together with Rock And Soil is stablized, the overall stability of Lai Tigao engineering rock mass, significantly saving engineering material, is conducive to apply
Work safety has become one of the geotechnical engineering problems most efficient method for improving geotechnical engineering stability and solving complexity.With
Traditional method for protecting support such as spray anchor linked network is compared, and anchor pole or cable bolting can in time and rapidly can provide after Rock And Soil excavation
Rock And Soil is initiatively reinforced in supporting, efficiently controls Rock And Soil deformation, is protected original intensity on stratum, is improved weakness or potential
The shearing strength of sliding surface develops Rock And Soil stress state towards stabilising direction, can be effectively prevented Rock And Soil fall damage etc.
Advantage.Therefore, anchor pole or anchorage cable anchoring technology are widely used in the tunnels such as mine, traffic, water conservancy and hydropower, geology, side slope, massif
In reinforcing engineering.
The detection of present anchor pole or anchor cable ontology mainly uses anchor pole or anchor cable testing machine for mechanical properties to anchor pole or anchor
Suo Benti carries out tension and compression, torsion, bending and the test of shearing force, and since situation is complicated under mine, anchor pole or anchor cable are in underground
Stress condition generally also to power suffered by the rock or coal body after anchoring the case where it is related, can bear to draw after anchor pole or anchorage cable anchoring
Power, torsion, bending force and cross shear, there is no one kind at present can be simultaneously to the anchor pole or anchor cable (i.e. anchoring group after anchoring
It is fit) carry out the test of above-mentioned power；Anchor pole or anchor cable experiment will lead to using current this testing machine and practical gap is larger, make
The not comprehensive of test measurement is obtained, data support can not be provided for follow-up study；In addition the rock under mine or coal body its mechanical property
Performance and locating environment after energy and anchor pole or anchorage cable anchoring also have substantial connection, such as temperature, humidity, the concentration of gas, liquid
Body pH value etc. can all influence to anchor the mechanical property of assembly, and actual conditions could really measure institute only close under mine
The mechanical property of the anchor pole assembly needed, convenient for the practical application of anchor pole or anchor cable under mine.
Summary of the invention
In view of the above existing problems in the prior art, the present invention provides a kind of multiphase multi- scenarios method anchoring body combined deformation surveys
Method for testing can carry out the mechanical test of tension and compression, torsion, bending and shearing to anchoring assembly, while can make to anchor at assembly
Tested in the environment simulated under mine, make test the case where it is similar to actual conditions, improve test sample the data obtained and
The data that actual conditions obtain under mine are closer.
To achieve the goals above, the technical solution adopted by the present invention is that: the combination of this kind of multiphase multi- scenarios method anchoring body becomes
Shape pilot system, including anchor pole or anchor cable testing machine for mechanical properties, three axis loading devices, data processing system, display device, report
Alarm device, data transmission device, scanning monitoring device and anchoring assembly monitor system, the setting of three axis loading devices in anchor pole or
One end of anchor cable testing machine for mechanical properties, the three axis loading devices are hexahedron, the pressure being oppositely arranged two-by-two including three groups
Power device, each pressure apparatus are respectively equipped with a solenoid electric valve and connect with hydraulic system, at solenoid electric valve and data
The connection of reason system；Data processing system is filled with anchoring assembly monitoring system, warning device, display device, data transmission respectively
It sets and is connected with scanning monitoring device.
It further, further include cabinet and temperature effect pilot system, the temperature effect pilot system includes that temperature passes
Sensor, thermocouple and coolant liquid blowing device, temperature sensor, thermocouple and coolant liquid blowing device are arranged in cabinet, temperature
Degree sensor, thermocouple and coolant liquid blowing device are connect with data processing system respectively.Increase temperature effect pilot system energy
Guarantee that the coal petrography sample of anchoring assembly is at various temperature to be tested, obtains corresponding data.
It further, further include chemical effect pilot system, the chemical effect pilot system includes pH value detection device,
The pH value detection device is arranged in cabinet, and pH value detection device is connect with data processing system.Increase chemical effect examination
Check system can be such that the coal petrography sample for anchoring assembly is under various PH different solution to be tested, then obtain corresponding number
According to.
Further, the cabinet in the chemical effect pilot system is equipped with air inlet and air outlet, in air inlet and goes out
A detection of gas flow rate device is respectively provided at port, box house is equipped with gas concentration detection apparatus, the gas flow
Detection device and gas concentration detection apparatus are connect with data processing system respectively.Increase air inlet and air outlet, can make to anchor
The coal petrography sample of assembly is under various gas stations and is tested, and then obtains corresponding data.
It further, further include spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, spectroanalysis instrument, mass spectrometer
It is connect with diffraction analysis instrument with data processing system.Compound mensuration is carried out convenient for the coal petrography sample of acquisition, and carries out classification processing.
Further, the scanning monitoring device can be infrared monitoring device, acoustic emission monitor(ing) device, nondestructive inspection prison
Survey one of device, CT scanning device, radar monitoring device or multiple combinations；Anchoring can be obtained using different monitoring devices
Various situations inside assembly are convenient for subsequent research.
Further, anchoring assembly monitoring system includes anchoring assembly axial direction monitoring device and anchoring assembly
Mechanics parameter acquisition device；Anchoring assembly axial direction monitoring device can acquire test when anchoring assembly axial load and
Axial displacement data；Anchoring assembly mechanics parameter acquisition device can acquire test when anchoring assembly suffered by torque,
The mechanics parameters such as shearing stress in torsion power, moment of flexure, shearing, bending normal stresses, bending shear stress, shear stress are convenient for subsequent analysis.
Further, the pressure apparatus is one or more hydraulic cylinders.
Further, the hydraulic system includes six hydraulic pumps, and each hydraulic power unit connects with a pressure apparatus respectively
It connects.Guarantee that each hydraulic pump supplies a pressure apparatus using six hydraulic pumps, convenient for the independent control of pressure apparatus.
A kind of multiphase multi- scenarios method anchoring body combined deformation test method, specific steps are as follows:
I, assembly mechanical property test is anchored:
A. it is analyzed, is determined by the coal petrography sample of spectroanalysis instrument, mass spectrometer and diffraction analysis instrument to acquisition
The component of various substances, then classifies in each coal petrography sample；Due to the component difference meeting of various substances in coal petrography sample
The mechanical property for influencing coal petrography sample, after the analysis measurement of spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, division group
Divide range, classify to coal petrography sample, carries out the mechanical property test of the anchoring assembly with different coal petrography samples respectively,
Improve test accuracy；
B. anchor pole or anchor cable are classified according to material, shape, helicitic texture and Anchor Agent type, makes sorted anchor
Bar or anchor cable without differences；Since the difference of the material of anchor pole or anchor cable, shape, helicitic texture and Anchor Agent type is all to anchoring
The mechanical property of assembly has an impact, therefore classification is tested；
C. sorted coal petrography sample and the fixation of anchor cable or anchor pole are formed into anchoring assembly；
D. the coal petrography sample parts for anchoring assembly are placed in three axis loading devices, then adjust the angle between three axis
It is fixed after degree；Required prestressed load angle can arbitrarily be adjusted；
E. each pressure apparatus on three axis loading devices is controlled by data processing system and prestressing force is applied to coal petrography sample；
Due to thus can control pressure value and the pressure prestressed time of each pressure apparatus using individually control, while can
Individually carry out the unloading of pressure；
F. the anchor pole or anchor cable part that anchor assembly are placed in the anchor cable experiment of anchor pole or anchor cable testing machine for mechanical properties
Position；
G. anchor pole or anchor cable testing machine for mechanical properties to the anchor pole of anchoring assembly or anchor cable part carry out tension and compression, torsion,
One or more combined mechanical tests of bending and shearing, while being controlled on three axis loading devices respectively by data processing system
A pressure apparatus applies prestressing force to the coal petrography sample parts of anchoring assembly；Then by anchor pole or anchor cable testing machine for mechanical properties
To data, the scanning collected data of monitoring device of pressure, twisting resistance, bending force and shearing force that anchor pole or anchor cable apply
And the pressure value of each pressure apparatus sends data processing system to and is analyzed and processed in hydraulic system；
H. repeat the above steps D~G, and the angle value, each pressure apparatus between adjustable three axis apply rock pre-
Stress value, anchor pole or anchor cable testing machine for mechanical properties to the pressure of anchor pole or anchor cable, twisting resistance, bending force and shear force value,
Anchoring assembly is formed using single or more anchor pole or anchor cable and coal petrography sample, in more anchor poles or one end and the coal of anchor cable
When rock sample anchors, the other end is connect by bolt with fixed plate, fixed plate with anchor pole or anchor cable testing machine for mechanical properties
Connection, then can adjust the length of each anchor pole or anchor cable between coal petrography sample and fixed plate by bolt；Finally by number
Coal petrography samples in the case of applying power of all sizes and different using various components is obtained according to processing system, is anchored
The mechanical property test of assembly, by using infrared monitoring device, acoustic emission monitor(ing) device, nondestructive inspection monitoring device, CT
One of scanning means, radar monitoring device or multiple combinations obtain crack, section and crack hair inside anchoring assembly
Educate the corresponding test data of situation；
II, the anchoring assembly mechanical property test after slip casting is carried out to coal petrography sample:
1. monitoring coal petrography sample internal crack position after testing in above-mentioned steps I, anchoring is combined using drilling apparatus
Coal petrography sample in body drills；
2. mechanics are combined in the anchoring carried out in step I by drilling slip casting into coal petrography sample internal crack, after stopping
Performance test obtains the mechanical property parameters of the anchoring assembly in slip casting；
III, assembly mechanical property test is anchored in chemical effect system:
A. anchoring assembly is placed in chemical effect system, by the solution for being immersed in different PH to coal petrography sample
The anchoring assembly mechanical property test in step I and II is carried out afterwards, and real-time pH value is passed to by number by PH detection device
According to processing system, and then obtain the mechanical property parameters that assembly is anchored under each pH value solution；
It is various to being injected in cabinet by air inlet when anchoring assembly being b. immersed in the solution in chemical effect system
The anchoring assembly mechanical property test in step I and II is carried out after gas, by the gas that air inlet and air outlet are arranged in
Flow detector record injects gas and excludes the flow value of gas, in gas concentration detection apparatus real-time detection container box
Gas concentration value, the data of above-mentioned measurement are passed into data processing system, and then obtain in various gases and its difference
Concentration the case where and obtain coal petrography sample to the anchoring group under the absorbing state of various gases by the traffic conditions of inlet and outlet
The test parameters of fit mechanical property；
IV, assembly mechanical property test is anchored in temperature effect system:
Anchoring assembly is placed in temperature effect system, thermocouple is controlled by data processing system and is heated or cooled
The freezing of liquid blowing device makes coal petrography sample be at a variety of different temperature the anchoring combination mechanics carried out in step I and II
Performance test obtains the mechanical property parameters that assembly is anchored under various temperature conditions；
V, assembly mechanical property test is anchored under integrated environment:
Anchoring assembly is placed in temperature effect system and chemical effect system, analog is closest to mine subsurface environment
In the case where carry out anchoring assembly mechanical property test in step I and II, can integrate and obtain and cast anchor in above-mentioned various situations
Gu the mechanical property parameters of assembly；If measuring numerical exception, can be prompted related by the warning device in data processing system
Personnel are handled in time；
VI, comprehensive analysis processing: the various data that above-mentioned each step is obtained carry out synthesis, then analysis comparison
The mechanical property parameters that anchoring assembly is obtained in each environment obtain under various environment to anchoring assembly mechanical property
Influence situation.
Compared with prior art, the present invention using three axis loading devices, data processing system, chemical effect pilot system and
Temperature effect sample system combines that the coal petrography sample in anchoring assembly can be applied and carries out tension and compression in prestressed situation, turns round
Turn, bending and shearing force mechanical test；In addition the anchoring assembly test of Multi anchorage effect can be carried out, and due to using temperature
Effect test system and chemical effect pilot system, by the temperature of regulating system and a variety of different chemical solvents of injection and each
Kind gas, changes temperature field, chemical fields locating for rock sample, in combination with stress field suffered by rock sample, to obtain anchoring combination
Mechanical characteristics of the body under the more multiphase coupled effects such as stress field, temperature field, chemical fields, solid, liquid, gas are subsequent research
Data are provided to support.In addition the mechanical property parameters of anchoring assembly of the measurement coal petrography sample in slip casting, while can make
The case where environment that the coal petrography sample of anchoring assembly is under simulation mine is tested, makes test is similar to actual conditions,
Raising test sample the data obtained and the data that actual conditions under mine obtain are closer.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 be Fig. 1 A to partial sectional view；
Fig. 3 is the anchoring assembly schematic diagram that single anchor rod is formed in the present invention；
Fig. 4 is the B of Fig. 3 to cross-sectional view；
Fig. 5 is the anchoring assembly schematic diagram that more anchor poles are formed in the present invention；
Fig. 6 is the structural schematic diagram of temperature effect system in the present invention；
Fig. 7 is the structural schematic diagram of chemical effect system in the present invention；
Fig. 8 is whole electrical schematic diagram of the invention.
In figure: 1, three axis loading device, 2, anchor cable testing machine for mechanical properties, 3, cabinet, 4, temperature sensor, 5, thermoelectricity
It is even, 6, detection of gas flow rate device, 7, gas concentration detection apparatus, 8, pH value detection device, 9, coolant liquid blowing device.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figures 1 to 8, the present invention includes anchor pole or anchor cable testing machine for mechanical properties, three axis loading devices 1, data
Processing system, display device, warning device, data transmission device, scanning monitoring device and anchoring assembly monitor system, three axis
One end of anchor pole or anchor cable testing machine for mechanical properties 2 is arranged in loading device 1, and the three axis loading devices 1 are hexahedron, packet
Three groups of pressure apparatus being oppositely arranged two-by-two are included, each pressure apparatus is respectively equipped with a solenoid electric valve and connects with hydraulic system
It connects, solenoid electric valve is connect with data processing system；Data processing system is filled with anchoring assembly monitoring system, alarm respectively
It sets, display device, data transmission device are connected with scanning monitoring device.
It further, further include cabinet 3 and temperature effect pilot system, the temperature effect pilot system includes that temperature passes
Sensor 4, thermocouple 5 and coolant liquid blowing device 9, temperature sensor 4, thermocouple 5 and coolant liquid blowing device 9 are arranged in cabinet
In 3, temperature sensor 4, thermocouple 5 and coolant liquid blowing device 9 are connect with data processing system respectively.Increase temperature effect examination
Check system can guarantee that the coal petrography sample of anchoring assembly is at various temperature and be tested, and obtain corresponding data.
It further, further include chemical effect pilot system, the chemical effect pilot system includes pH value detection device
8, the pH value detection device 8 is arranged in cabinet 3, and pH value detection device 8 is connect with data processing system.Increase chemistry effect
It answers pilot system that the coal petrography sample for anchoring assembly can be made be under various PH different solution to be tested, then obtain accordingly
Data.
Further, the cabinet in the chemical effect pilot system is equipped with air inlet and air outlet, in air inlet and goes out
It is respectively provided with a detection of gas flow rate device 6 at port, is equipped with gas concentration detection apparatus 7, the gas stream inside cabinet 3
Amount detecting device 6 and gas concentration detection apparatus 7 are connect with data processing system respectively.Increase air inlet and air outlet, can make
The coal petrography sample of anchoring assembly, which is under various gas stations, to be tested, and then obtains corresponding data.
It further, further include spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, spectroanalysis instrument, mass spectrometer
It is connect with diffraction analysis instrument with data processing system.Compound mensuration is carried out convenient for the coal petrography sample of acquisition, and carries out classification processing.
Further, the scanning monitoring device can be infrared monitoring device, acoustic emission monitor(ing) device, nondestructive inspection prison
Survey one of device, CT scanning device, radar monitoring device or multiple combinations；Anchoring can be obtained using different monitoring devices
Various situations inside assembly are convenient for subsequent research.
Further, anchoring assembly monitoring system includes anchoring assembly axial direction monitoring device and anchoring assembly
Mechanics parameter acquisition device；Anchoring assembly axial direction monitoring device can acquire test when anchoring assembly axial load and
Axial displacement data；Anchoring assembly mechanics parameter acquisition device can acquire test when anchoring assembly suffered by torque,
The mechanics parameters such as shearing stress in torsion power, moment of flexure, shearing, bending normal stresses, bending shear stress, shear stress are convenient for subsequent analysis.
Further, the pressure apparatus is one or more hydraulic cylinders.
Further, the hydraulic system includes six hydraulic pumps, and each hydraulic power unit connects with a pressure apparatus respectively
It connects.Guarantee that each hydraulic pump supplies a pressure apparatus using six hydraulic pumps, convenient for the independent control of pressure apparatus.
A kind of multiphase multi- scenarios method anchoring body combined deformation test method, specific steps are as follows:
I, assembly mechanical property test is anchored:
A. it is analyzed, is determined by the coal petrography sample of spectroanalysis instrument, mass spectrometer and diffraction analysis instrument to acquisition
The component of various substances, then classifies in each coal petrography sample；Due to the component difference meeting of various substances in coal petrography sample
The mechanical property for influencing coal petrography sample, after the analysis measurement of spectroanalysis instrument, mass spectrometer and diffraction analysis instrument, division group
Divide range, classify to coal petrography sample, carries out the mechanical property test of the anchoring assembly with different coal petrography samples respectively,
Improve test accuracy；Above-mentioned coal petrography sample also can be replaced material similar with coal petrography sample and be tested；
B. anchor pole or anchor cable are classified according to material, shape, helicitic texture and Anchor Agent type, makes sorted anchor
Bar or anchor cable without differences；Since the difference of the material of anchor pole or anchor cable, shape, helicitic texture and Anchor Agent type is all to anchoring
The mechanical property of assembly has an impact, therefore classification is tested；
C. sorted coal petrography sample and the fixation of anchor cable or anchor pole are formed into anchoring assembly；
D. the coal petrography sample parts for anchoring assembly are placed in three axis loading devices 1, are then adjusted between three axis
It is fixed after angle；Required prestressed load angle can arbitrarily be adjusted；
E. each pressure apparatus on three axis loading devices 1 is controlled by data processing system to answer the application of coal petrography sample in advance
Power；Due to thus can control pressure value and the pressure prestressed time of each pressure apparatus, simultaneously using individually control
The unloading of pressure can individually be carried out；
F. the anchor pole or anchor cable part that anchor assembly are placed in the anchor cable experiment of anchor pole or anchor cable testing machine for mechanical properties
Position；
G. anchor pole or 2 pairs of anchor cable testing machine for mechanical properties anchoring assembly anchor poles or anchor cable part carry out tension and compression, torsion,
One or more combined mechanical tests of bending and shearing, while being controlled on three axis loading devices 1 by data processing system
Each pressure apparatus applies prestressing force to the coal petrography sample parts of anchoring assembly；Then by anchor pole or anchor cable mechanical property test
Data, the scanning monitoring device of pressure, twisting resistance, bending force and shearing force that machine 2 applies anchor pole or anchor cable are collected
The pressure value of each pressure apparatus sends data processing system to and is analyzed and processed in data and hydraulic system；
H. repeat the above steps D~G, and the angle value, each pressure apparatus between adjustable three axis apply rock pre-
Stress value, anchor pole or anchor cable testing machine for mechanical properties 2 to the pressure of anchor pole or anchor cable, twisting resistance, bending force and shear force value,
Anchoring assembly is formed using single or more anchor pole or anchor cable and coal petrography sample, in more anchor poles or one end and the coal of anchor cable
When rock sample anchors, the other end is connect by bolt with fixed plate, fixed plate with anchor pole or anchor cable testing machine for mechanical properties 2
Connection, then can adjust the length of each anchor pole or anchor cable between coal petrography sample and fixed plate by bolt；Finally by number
Coal petrography samples in the case of applying power of all sizes and different using various components is obtained according to processing system, is anchored
The mechanical property test of assembly, by using infrared monitoring device, acoustic emission monitor(ing) device, nondestructive inspection monitoring device, CT
One of scanning means, radar monitoring device or multiple combinations obtain crack, section and crack hair inside anchoring assembly
Educate the corresponding test data of situation；
II, the anchoring assembly mechanical property test after slip casting is carried out to coal petrography sample:
1. monitoring coal petrography sample internal crack position after testing in above-mentioned steps I, anchoring is combined using drilling apparatus
Coal petrography sample in body drills；
2. mechanics are combined in the anchoring carried out in step I by drilling slip casting into coal petrography sample internal crack, after stopping
Performance test obtains the mechanical property parameters of the anchoring assembly in slip casting；
III, assembly mechanical property test is anchored in chemical effect system:
A. anchoring assembly is placed in chemical effect system, by the solution for being immersed in different PH to coal petrography sample
The anchoring assembly mechanical property test in step I and II is carried out afterwards, and real-time pH value is passed to by number by PH detection device 8
According to processing system, and then obtain the mechanical property parameters that assembly is anchored under each pH value solution；
It is each to being injected in cabinet 3 by air inlet when anchoring assembly being b. immersed in the solution in chemical effect system
The anchoring assembly mechanical property test in step I and II is carried out after kind gas, by the gas that air inlet and air outlet are arranged in
The record of body flow detector 6 injection gas and the flow value for excluding gas, 7 real-time detection container case of gas concentration detection apparatus
The data of above-mentioned measurement are passed to data processing system by intracorporal gas concentration value, so obtain in various gases and its
The case where different concentration and obtain coal petrography sample to the anchor under the absorbing state of various gases by the traffic conditions of inlet and outlet
Gu the test parameters of assembly mechanical property；
IV, assembly mechanical property test is anchored in temperature effect system:
Anchoring assembly is placed in temperature effect system, is heated by data processing system control thermocouple 5 or cold
But liquid blowing device 9 freezes, and coal petrography sample is made to be at a variety of different temperature the anchoring combination physical strength carried out in step I and II
Performance test is learned, obtains the mechanical property parameters for anchoring assembly under various temperature conditions；
V, assembly mechanical property test is anchored under integrated environment:
Anchoring assembly is placed in temperature effect system and chemical effect system, analog is closest to mine subsurface environment
In the case where carry out anchoring assembly mechanical property test in step I and II, can integrate and obtain and cast anchor in above-mentioned various situations
Gu the mechanical property parameters of assembly；If measuring numerical exception, can be prompted related by the warning device in data processing system
Personnel are handled in time；
VI, comprehensive analysis processing: the various data that above-mentioned each step is obtained carry out synthesis, then analysis comparison
The mechanical property parameters that anchoring assembly is obtained in each environment obtain under various environment to anchoring assembly mechanical property
Influence situation.
Claims (1)
1. a kind of test method of multiphase multi- scenarios method anchoring body combined deformation pilot system, which is characterized in that used multiphase
Multi- scenarios method anchoring body combined deformation test macro, the multiphase multi- scenarios method anchoring body combined deformation test macro are suitable for viscous
The anchoring assembly of eliminant anchor pole or anchorage cable anchoring, the anchoring assembly test that Multi anchorage effect can be carried out, including anchor pole or anchor cable
Testing machine for mechanical properties, which is characterized in that further include three axis loading devices (1), data processing system, display device, alarm dress
Set, data transmission device, scanning monitoring device and anchoring assembly monitoring system, the setting of three axis loading devices (1) in anchor pole or
One end of anchor cable testing machine for mechanical properties (2), the three axis loading devices (1) are hexahedron, including three groups set relatively two-by-two
The pressure apparatus set, each pressure apparatus are respectively equipped with a solenoid electric valve and connect with hydraulic system, solenoid electric valve with
Data processing system connection；Data processing system monitors system, warning device, display device, data with anchoring assembly respectively
Transmitting device is connected with scanning monitoring device；
The specific steps of the test method of the multiphase multi- scenarios method anchoring body combined deformation pilot system are as follows:
I, assembly mechanical property test is anchored:
A. it is analyzed, is determined each by the coal petrography sample of spectroanalysis instrument, mass spectrometer and diffraction analysis instrument to acquisition
The component of various substances, then classifies in coal petrography sample；
B. anchor pole or anchor cable are classified according to material, shape, helicitic texture and Anchor Agent type, make sorted anchor pole or
Anchor cable without differences；
C. sorted coal petrography sample and the fixation of anchor cable or anchor pole are formed into anchoring assembly；
D. the coal petrography sample parts for anchoring assembly are placed in three axis loading devices (1), then adjust the angle between three axis
It is fixed after degree；
E. each pressure apparatus on three axis loading devices (1) is controlled by data processing system and prestressing force is applied to coal petrography sample；
F. the anchor pole or anchor cable part that anchor assembly are placed in the anchor cable experiment position of anchor pole or anchor cable testing machine for mechanical properties；
G. anchor pole or anchor cable testing machine for mechanical properties (2) carry out tension and compression, torsion, curved to the anchor pole of anchoring assembly or anchor cable part
The mechanical test of bent and shearing multiple combinations, while each pressure on three axis loading devices (1) is controlled by data processing system
Power device applies prestressing force to the coal petrography sample parts of anchoring assembly；Then by anchoring assembly monitor system by anchor pole or
The data of pressure, twisting resistance, bending force and shearing force that anchor cable testing machine for mechanical properties (2) applies anchor pole or anchor cable are swept
The pressure value for retouching each pressure apparatus in the collected data of monitoring device and hydraulic system sends data processing system progress to
Analysis processing；
H. repeat the above steps D~G, adjust three axis between angle value, each pressure apparatus rock is applied prestress value,
Anchor pole or anchor cable testing machine for mechanical properties (2) use the pressure of anchor pole or anchor cable, twisting resistance, bending force and shear force value
More anchor poles or anchor cable and coal petrography sample form anchoring assembly, anchor in one end of more anchor poles or anchor cable and coal petrography sample
When, the other end is connect by bolt with fixed plate, and fixed plate is connect with anchor pole or anchor cable testing machine for mechanical properties (2), so
The length of each anchor pole or anchor cable between coal petrography sample and fixed plate is adjusted by bolt afterwards；Finally by data processing system
It obtains coal petrography samples in the case of applying power of all sizes and different using various components, carries out the power of anchoring assembly
Performance test is learned, by using infrared monitoring device, acoustic emission monitor(ing) device, nondestructive inspection monitoring device, CT scanning device, thunder
Up to one of monitoring device or multiple combinations, the phase of crack inside anchoring assembly, section and fractured situation is obtained
Answer test data；
II, the anchoring assembly mechanical property test after slip casting is carried out to coal petrography sample:
1. coal petrography sample internal crack position is monitored after testing in above-mentioned steps I, using drilling apparatus in anchoring assembly
Coal petrography sample drill；
2. carrying out the anchoring assembly mechanical property in step I by drilling slip casting into coal petrography sample internal crack, after stopping
Test obtains the mechanical property parameters of the anchoring assembly in slip casting；
III, assembly mechanical property test is anchored in chemical effect system:
A. anchoring assembly is placed in chemical effect system, it is laggard by the solution for being immersed in different PH to coal petrography sample
Real-time pH value is passed to data by PH detection device (8) by the anchoring assembly mechanical property test in row step I and II
Processing system, and then obtain the mechanical property parameters that assembly is anchored under each pH value solution；
It is various to injection in cabinet (3) by air inlet when anchoring assembly being b. immersed in the solution in chemical effect system
The anchoring assembly mechanical property test in step I and II is carried out after gas, by the gas that air inlet and air outlet are arranged in
Flow detector (6) record injection gas and the flow value for excluding gas, gas concentration detection apparatus (7) real-time detection container
The data of above-mentioned measurement are passed to data processing system by the intracorporal gas concentration value of case, so obtain in various gases and
The case where its different concentration and obtain coal petrography sample under the absorbing state of various gases by the traffic conditions of inlet and outlet
Anchor the test parameters of assembly mechanical property；
IV, assembly mechanical property test is anchored in temperature effect system:
Anchoring assembly is placed in temperature effect system, is heated or cooled by data processing system control thermocouple (5)
Liquid blowing device (9) freezing makes coal petrography sample be at a variety of different temperature the anchoring combination physical strength carried out in step I and II
Performance test is learned, obtains the mechanical property parameters for anchoring assembly under various temperature conditions；
V, assembly mechanical property test is anchored under integrated environment:
Anchoring assembly is placed in temperature effect system and chemical effect system, the case where simulation is closest to mine subsurface environment
The lower anchoring assembly mechanical property test carried out in step I and II, comprehensive obtain anchor assembly in above-mentioned various situations
Mechanical property parameters；If measuring numerical exception, related personnel can be prompted to carry out by the warning device in data processing system
Processing in time；
VI, comprehensive analysis processing: the various data that above-mentioned each step is obtained carry out synthesis, then analysis comparison anchoring
The mechanical property parameters that assembly is obtained in each environment obtain under various environment to the shadow of anchoring assembly mechanical property
Ring situation.
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| PCT/CN2015/082728 WO2016173112A1 (en) | 2015-04-30 | 2015-06-30 | Multiphase and multi-field coupling anchoring assembly deformation test system and method |
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| CN108088746A (en) * | 2017-12-19 | 2018-05-29 | 江苏师范大学 | A kind of metal tension and torsion deformation mechanics and characteristics of Acoustic Emission test and analysis method |
| CN108444842A (en) * | 2018-03-09 | 2018-08-24 | 江苏师范大学 | A kind of method for building up of material during tensile-torsion combined deformation strength condition |
| CN108776177A (en) * | 2018-07-31 | 2018-11-09 | 安徽理工大学 | A kind of acoustic emission system and method differentiating engineering site different layers position lithology |
| CN109854298B (en) * | 2018-12-11 | 2020-06-26 | 河南理工大学 | Method for determining time and range of secondary support of roadway |
| CN111189706A (en) * | 2020-01-16 | 2020-05-22 | 南京卡恩姆航空科技有限公司 | System and method applied to small sample mechanical property test |
| CN111829894B (en) * | 2020-06-24 | 2022-02-08 | 山东大学 | Rock-soil multi-field measurement test system and method |
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| CN102776900A (en) * | 2012-06-12 | 2012-11-14 | 中国科学院武汉岩土力学研究所 | Anchor system working mechanism two-dimensional test method |
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| JP2003139673A (en) * | 2001-10-31 | 2003-05-14 | Bosai Giken Kogyo:Kk | Anchor test equipment and method |
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| CN102776900A (en) * | 2012-06-12 | 2012-11-14 | 中国科学院武汉岩土力学研究所 | Anchor system working mechanism two-dimensional test method |
| CN103234830A (en) * | 2013-05-23 | 2013-08-07 | 湖南科技大学 | Anchoring property experiment platform of anchor rod |
| CN103398901A (en) * | 2013-08-08 | 2013-11-20 | 中国科学院武汉岩土力学研究所 | Indoor pull-out test apparatus for anchor rod |
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| CN104535409A (en) * | 2015-01-08 | 2015-04-22 | 中国矿业大学 | True triaxial multi-field multi-phase coupling dynamic test system and method |
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