CN106546485A - A kind of alternating layers rock mass layer manages the multiple dimensioned assay method of micro structure non-compatible deformation - Google Patents
A kind of alternating layers rock mass layer manages the multiple dimensioned assay method of micro structure non-compatible deformation Download PDFInfo
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- CN106546485A CN106546485A CN201610981969.0A CN201610981969A CN106546485A CN 106546485 A CN106546485 A CN 106546485A CN 201610981969 A CN201610981969 A CN 201610981969A CN 106546485 A CN106546485 A CN 106546485A
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- 238000010218 electron microscopic analysis Methods 0.000 claims abstract description 5
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0641—Indicating or recording means; Sensing means using optical, X-ray, ultraviolet, infrared or similar detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
Abstract
The present invention provides a kind of alternating layers rock mass layer reason micro structure non-compatible deformation multiple dimensioned assay method, comprises the steps：S1, micro-scale layer reason Analysis of Dislocation：The microstructure deformation of electron-microscopic analysis layer reason is combined with tension and compression load apparatus in situ using Electronic Speculum, focused ion beam cutting technique analysis rock mass crystal grain, interlayer and layer reason interface microfissure shape characteristic is recycled；S2, the reason deformation quantitative analysis of meso-scale layer：Layer is carried out with the tension and compression load apparatus super depth-of-field microscope of combination in situ using Electronic Speculum ought to force deformation test；S3, the reason diversity deformation analysis of macro-scale layer：Carrying out alternating layers rock mass uniaxial compression and shearing test carries out macroscopic deformation analysis；S4, set up alternating layers rock mass layer manage microcosmic dislocation deformation to macroscopical crack propagation non-compatible deformation model.The present invention can be realized systematically studying the physical property and Distortion Disciplinarian of alternating layers rock mass from the multiple dimensioned non-compatible deformation characteristic for determining different layers reason construction, be conducive to effectively analyzing the stability and seal of underground storage.
Description
Technical field
The present invention relates to beded rock mass deformation technology field, and in particular to a kind of alternating layers rock mass layer reason micro structure non-coordinating becomes
The multiple dimensioned assay method of shape.
Background technology
Beded rock mass manages upper and lower two kinds of rock mass structures transitivity difference because of layer, often causes underground rock engineering to damage broken
Bad key factor.By taking the bedded salt rock in beded rock mass as an example：Bedded salt rock self structure feature and sedimentary structure are characterized in that
The basis of its mechanical behavior is determined, rock mass crack initiation rule is analyzed in terms of microcosmic and foundation is provided for macroscopic analyses.For single salt
Rock stratum, the achievement in research that Chinese scholars are carried out are a lot, are found by studying, and the deformation mechanism of this kind of rock mass of rock salt is mainly by more
Caused by crystal structure, such as dislocation movement by slip, polycrystallization, crystal boundary migration, pressure solution and the crystal boundary micro rupture under low confined pressure etc..Mud stone or
Gypsum Fibrosum rock mass is easily softened by water, easy delamination failure during stress.CT scan technology, Electronic Speculum and mercury injection method can test bedded salt
Microscopical structure and porosity that in rock, rock salt is mingled with mud stone, but the deformation of the diversity between two kinds of rock mass cannot be analyzed simultaneously.
Mismatch on mud stone and salt rock mechamics characteristic causes the two near interface mud stone body equivalent should by cross directional stretch
Power is acted on.Lithology difference cause rock stratification destruction performance different characteristic, the mechanical characteristic difference existed between rock salt and interlayer and
The creep rate of deformation, rock salt and interlayer differs nearly 2 magnitudes, and this causes the destructive process of the rock mass of salt containing interlayer quite multiple
It is miscellaneous, affect bank safety.
The present inventor has found that through research the mechanical attribute of beded rock mass is subject to component, depositional environment, geology to drill
The factors such as change affect, and the intensity of bed plane is also have, and Research Points are in bedded salt rock entirety, and have ignored layer reason
The related physical mechanical characteristic of itself.Take suitable means systematic study alternating layers rock mass layer reason microstructure characteristic, occurrence construction
The physical property such as rule and Distortion Disciplinarian, are beneficial to effectively analyze the stability and seal of underground storage.
The content of the invention
The Research Points to beded rock mass existed for prior art and have ignored layer reason itself in beded rock mass entirety
The technical problem of related physical mechanical characteristic, the present invention provide a kind of alternating layers rock mass layer reason micro structure non-compatible deformation multiple dimensioned survey
Determine method, the method takes suitable means systematically to study the things such as alternating layers rock mass layer reason microstructure characteristic, occurrence structural law
Property and Distortion Disciplinarian, be conducive to effectively analyze underground storage stability and seal.
In order to solve above-mentioned technical problem, following technical scheme is present invention employs：
A kind of alternating layers rock mass layer manages the multiple dimensioned assay method of micro structure non-compatible deformation, and the assay method includes following step
Suddenly：
S1, micro-scale layer reason Analysis of Dislocation：Electron-microscopic analysis layer is combined with tension and compression load apparatus in situ using Electronic Speculum
The microstructure deformation of reason, recycles focused ion beam cutting technique analysis rock mass crystal grain, interlayer and layer reason interface microfissure
Shape characteristic, discloses micro-crack crack initiation rule；
S2, the reason deformation quantitative analysis of meso-scale layer：Super depth-of-field microscope is combined with tension and compression load apparatus in situ using Electronic Speculum
Carry out layer ought to force deformation test, the layer ought to force deformation test using super depth of field three-dimensional microscopy system realize, it is described surpass
Depth of field three-dimensional microscopy system includes pedestal, the super depth-of-field microscope, gas blow pipe and support on the pedestal, described
Electronic Speculum original position tension and compression load apparatus are fixed with frame, Electronic Speculum original position tension and compression load apparatus are provided with groove, in the groove
Test specimen is installed, the test specimen can apply stress by the stress module located at the groove left and right sides, and the bottom of the groove sets
Have to the heater of test specimen heating, the imaging lens of the super depth-of-field microscope are located above test specimen, and the gas blow pipe is used to arrange
Except the chip that loading is produced；Using the three-dimensional imaging Survey Software in super depth-of-field microscope during test, quantitative analyses rock mass, folder
Layer, the stress process variances deformation characteristics of alternating layers rock test piece, so as to quantitative analysiss layer manages regional deformation rule；
S3, the reason diversity deformation analysis of macro-scale layer：Carry out the uniaxial compression test of alternating layers rock mass and shearing test, test specimen
Strain-type sensor is installed on mud stone vertical direction, while spotting scaming is done to test specimen using CT scanner, according to described
Loading procedure middle level is managed at different conditions for strain-type sensor Monitoring Data and CT scanner scanogram comprehensive analysis
The deformation difference of both sides rock mass, recycles the three-dimensional laser scanner analysis layer reason plane of fracture pattern of micron accuracies；
S4, with reference to aforementioned microcosmic dislocation, it is thin see deformation and macroscopic deformation characteristic, alternating layers are set up by modeling software Matlab
Rock mass layer manages microcosmic dislocation deformation to macroscopical crack propagation non-compatible deformation model.
Further, the ultramicroscope adopts GATAN ultramicroscope.
Further, the super depth-of-field microscope is using the super depth of field three-dimensional microscope of Keyemce.
Compared with prior art, the multiple dimensioned measure side of alternating layers rock mass layer reason micro structure non-compatible deformation that the present invention is provided
Method, is analyzed from micro-scale layer reason dislocation, the reason deformation of meso-scale layer and the reason diversity deformation of macro-scale layer, and front
Alternating layers rock mass layer is set up on the basis of stating analysis and microcosmic dislocation deformation is managed to macroscopical crack propagation non-compatible deformation model, i.e., from many
Yardstick determines the non-compatible deformation characteristic of different layers reason construction, realize systematically study alternating layers rock mass layer reason microstructure characteristic,
The physical property such as occurrence structural law and Distortion Disciplinarian, are conducive to effectively analyzing the stability and seal of underground storage.
Description of the drawings
Fig. 1 is the super depth of field three-dimensional microscopy system structure diagram that the present invention is provided.
Fig. 2 is the multiple dimensioned assay method schematic flow sheet of alternating layers rock mass layer reason non-compatible deformation that the present invention is provided.
In figure, 1, pedestal；2nd, super depth-of-field microscope；3rd, gas blow pipe；4th, support；5th, Electronic Speculum original position tension and compression load apparatus；6、
Test specimen；7th, heater；8th, test Loading Control System；9th, super depth-of-field microscope image control system.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
In describing the invention, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ",
" on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the orientation of instruction such as " outward " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, and not
Be indicate or imply the device or element of indication must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In describing the invention, unless otherwise stated, " multiple " are meant that two or two
More than.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Refer to shown in Fig. 1, the present invention provides a kind of alternating layers rock mass layer reason micro structure non-compatible deformation multiple dimensioned measure side
Method, the assay method comprise the steps：
S1, micro-scale layer reason Analysis of Dislocation：Electron-microscopic analysis layer is combined with tension and compression load apparatus in situ using Electronic Speculum
The microstructure deformation of reason, recycling focused ion beam (Focused Ion beam, FIB) cutting technique analysis rock mass crystal grain,
Interlayer and layer reason interface microfissure shape characteristic, disclose micro-crack crack initiation rule；Wherein, utilization Electronic Speculum original position tension and compression
Load apparatus are specifically included with reference to the microstructure deformation that electron-microscopic analysis layer is managed：Crackle produce position, direction of crack propagation,
Evolution law of cracks；The utilization focused ion beam cutting technique analysis rock mass crystal grain, interlayer and layer reason interface microfissure shape
Looks feature is specifically included：Observation area is selected, carries out cutting using ion beam, electron-microscope scanning observation；
S2, the reason deformation quantitative analysis of meso-scale layer：Super depth-of-field microscope is combined with tension and compression load apparatus in situ using Electronic Speculum
Carry out layer ought to force deformation test, the layer ought to force deformation test using the super depth of field three-dimensional microscopy system realization, refer to
Shown in Fig. 2, the super depth of field three-dimensional microscopy system includes pedestal 1, super depth-of-field microscope 2 on the pedestal 1, blows
Trachea 3 and support 4, are fixed with Electronic Speculum original position tension and compression load apparatus 5, Electronic Speculum tension and compression load apparatus in situ 5 on the support 4
Groove is provided with, test specimen 6 is installed in the groove, the test specimen 6 can be applied by the stress module located at the groove left and right sides
Plus stress, the bottom of the groove is provided with to the heater 7 of the heating of test specimen 6, and the imaging lens of the super depth-of-field microscope 2 are located at
Above test specimen 6, the gas blow pipe 3 is used to exclude the chip that loading is produced；During test using the three-dimensional in super depth-of-field microscope into
As Survey Software, quantitative analyses rock mass, interlayer, the stress process variances deformation characteristics of alternating layers rock test piece, so as to measure
Change analysis layer reason regional deformation rule；Wherein, the stress process of the quantitative analyses rock mass, interlayer, alternating layers rock test piece
Diversity deformation characteristics are specifically included：The deformation of rock salt and the deformation of interlayer；The quantitative analysiss layer reason regional deformation rule tool
Body includes：Two kinds of rock relative deformations and Interface Crack propagation；It is right that the super depth of field three-dimensional microscopy system also includes
The Electronic Speculum original position tension and compression load apparatus 5 test Loading Control Systems 8 being controlled and super depth-of-field microscope 2 is controlled
Super depth-of-field microscope image control system 9；
S3, the reason diversity deformation analysis of macro-scale layer：Carry out the uniaxial compression test of alternating layers rock mass and shearing test, test specimen
Strain-type sensor is installed on mud stone vertical direction, while spotting scaming is done to test specimen using CT scanner, according to described
Loading procedure middle level is managed at different conditions for strain-type sensor Monitoring Data and CT scanner scanogram comprehensive analysis
The deformation difference of both sides rock mass, recycles the three-dimensional laser scanner analysis layer reason plane of fracture pattern of micron accuracies；Wherein, root
According to the strain-type sensor Monitoring Data and CT scanner scanogram comprehensive analysis loading procedure at different conditions
The deformation difference of middle level reason both sides rock mass is specifically included：The difference of two kinds of rock mass deformation amounts；The three of the utilization micron accuracies
Dimension laser scanner analysis layer reason plane of fracture pattern is specifically included：Surface of test piece three-dimensional appearance and deformed region distribution；
S4, with reference to aforementioned microcosmic dislocation, it is thin see deformation and macroscopic deformation characteristic, alternating layers are set up by modeling software Matlab
Rock mass layer manages microcosmic dislocation deformation to macroscopical crack propagation non-compatible deformation model.
Compared with prior art, the multiple dimensioned measure side of alternating layers rock mass layer reason micro structure non-compatible deformation that the present invention is provided
Method, is analyzed from micro-scale layer reason dislocation, the reason deformation of meso-scale layer and the reason diversity deformation of macro-scale layer, and front
Alternating layers rock mass layer is set up on the basis of stating analysis and microcosmic dislocation deformation is managed to macroscopical crack propagation non-compatible deformation model, i.e., from many
Yardstick determines the non-compatible deformation characteristic of different layers reason construction, realize systematically study alternating layers rock mass layer reason microstructure characteristic,
The physical property such as occurrence structural law and Distortion Disciplinarian, are conducive to effectively analyzing the stability and seal of underground storage.
Used as specific embodiment, the ultramicroscope adopts GATAN ultramicroscope, it is possible thereby to observation examination well
Part microstructure features and mineralogical composition.
Used as specific embodiment, the super depth-of-field microscope adopts the super depth of field three-dimensional microscope of Keyemce, thus, it is possible to reality
Existing various microscopics, from labor of the three-dimensional imaging of macro-scale to SEM；Many observation procedures are supported also simultaneously,
Including transillumination observation, polarizing illumination observation and differential interference observation.
Finally illustrate, above example is only unrestricted to illustrate technical scheme, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, which all should be covered at this
In the middle of the right of invention.
Claims (3)
1. a kind of alternating layers rock mass layer manages the multiple dimensioned assay method of micro structure non-compatible deformation, it is characterised in that the assay method
Comprise the steps：
S1, micro-scale layer reason Analysis of Dislocation：Electron-microscopic analysis layer reason is combined with tension and compression load apparatus in situ using Electronic Speculum
Microstructure deformation, recycles focused ion beam cutting technique analysis rock mass crystal grain, interlayer and layer reason interface microfissure pattern
Feature, discloses micro-crack crack initiation rule；
S2, the reason deformation quantitative analysis of meso-scale layer：Super depth-of-field microscope is combined with tension and compression load apparatus in situ using Electronic Speculum is carried out
Layer ought to force deformation test, the layer ought to force deformation test using the super depth of field three-dimensional microscopy system realization, the super depth of field
Three-dimensional microscopy system includes pedestal, the super depth-of-field microscope, gas blow pipe and support on the pedestal, on the support
Electronic Speculum original position tension and compression load apparatus are fixed with, Electronic Speculum original position tension and compression load apparatus are provided with groove, the groove to be installed
Have a test specimen, the test specimen can apply stress by the stress module located at the groove left and right sides, the bottom of the groove be provided with to
The heater of test specimen heating, the imaging lens of the super depth-of-field microscope are located above test specimen, and the gas blow pipe is used for exclusion and adds
Carry the chip for producing；Using the three-dimensional imaging Survey Software in super depth-of-field microscope during test, quantitative analyses rock mass, interlayer, mutually
The stress process variances deformation characteristics of layer rock test piece, so as to quantitative analysiss layer manages regional deformation rule；
S3, the reason diversity deformation analysis of macro-scale layer：Carry out the uniaxial compression test of alternating layers rock mass and shearing test, test specimen mud stone
Strain-type sensor is installed on vertical direction, while spotting scaming is done to test specimen using CT scanner, according to the strain
Both sides are managed in loading procedure middle level at different conditions for formula displacement transducer Monitoring Data and CT scanner scanogram comprehensive analysis
The deformation difference of rock mass, recycles the three-dimensional laser scanner analysis layer reason plane of fracture pattern of micron accuracies；
S4, with reference to aforementioned microcosmic dislocation, it is thin see deformation and macroscopic deformation characteristic, alternating layers rock mass is set up by modeling software Matlab
Layer reason microcosmic dislocation deformation is to macroscopical crack propagation non-compatible deformation model.
2. alternating layers rock mass layer according to claim 1 manages the multiple dimensioned assay method of micro structure non-compatible deformation, and its feature exists
In the ultramicroscope adopts GATAN ultramicroscope.
3. alternating layers rock mass layer according to claim 1 manages the multiple dimensioned assay method of micro structure non-compatible deformation, and its feature exists
In the super depth-of-field microscope is using the super depth of field three-dimensional microscope of Keyemce.
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Cited By (5)
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| CN110631936A (en) * | 2019-09-02 | 2019-12-31 | 中国矿业大学 | Quantitative evaluation test method for coal core damage |
| WO2020186437A1 (en) * | 2019-03-19 | 2020-09-24 | 中国矿业大学(北京) | Quantitative visualization experimentation system for induced-stress field in rock mass |
| CN111751258A (en) * | 2019-03-27 | 2020-10-09 | 中国石油化工股份有限公司 | Sample placing device for observing pore deformation and experimental method |
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| CN111751258A (en) * | 2019-03-27 | 2020-10-09 | 中国石油化工股份有限公司 | Sample placing device for observing pore deformation and experimental method |
| CN110631936A (en) * | 2019-09-02 | 2019-12-31 | 中国矿业大学 | Quantitative evaluation test method for coal core damage |
| CN110631936B (en) * | 2019-09-02 | 2021-02-23 | 中国矿业大学 | Quantitative evaluation test method for coal core damage |
| CN114279862A (en) * | 2021-11-17 | 2022-04-05 | 莆田学院 | Stress-strain three-dimensional test platform and test method |
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