CN106546485B - A kind of multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation - Google Patents
A kind of multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation Download PDFInfo
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- CN106546485B CN106546485B CN201610981969.0A CN201610981969A CN106546485B CN 106546485 B CN106546485 B CN 106546485B CN 201610981969 A CN201610981969 A CN 201610981969A CN 106546485 B CN106546485 B CN 106546485B
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- 238000012360 testing method Methods 0.000 claims abstract description 29
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- 238000007906 compression Methods 0.000 claims abstract description 18
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- 238000004445 quantitative analysis Methods 0.000 claims abstract description 11
- 238000002474 experimental method Methods 0.000 claims abstract description 10
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- 238000010884 ion-beam technique Methods 0.000 claims abstract description 7
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- 238000010218 electron microscopic analysis Methods 0.000 claims abstract description 5
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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
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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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
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- 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
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- 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
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- 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
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- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation, includes the following steps：S1, micro-scale stratification Analysis of Dislocation：Using the Electronic Speculum microstructure deformation of tension and compression load apparatus combination electron-microscopic analysis stratification in situ, focused ion beam cutting technique analysis rock mass crystal grain, interlayer and stratification interface microfissure shape characteristic are recycled；S2, meso-scale stratification deformation quantitative analysis：Using Electronic Speculum stratification stress deformation experiment is carried out in conjunction with super depth-of-field microscope with tension and compression load apparatus in situ；S3, macro-scale stratification otherness deformation analysis：Carry out alternating layers rock mass uniaxial compression and shearing test carries out macroscopic deformation analysis；S4, the microcosmic dislocation deformation of alternating layers rock mass stratification is established to macroscopical crack propagation non-compatible deformation model.The present invention can realize the physical property and Distortion Disciplinarian for systematically studying alternating layers rock mass from the multiple dimensioned non-compatible deformation characteristic for measuring different stratifications and constructing, and be conducive to the stability and seal of effectively analyzing underground storage.
Description
Technical field
The present invention relates to beded rock mass deformation technology fields, and in particular to a kind of non-coordinating change of alternating layers rock mass stratification micro-structure
The multiple dimensioned assay method of shape.
Background technology
Beded rock mass often causes underground rock engineering damage broken because of two kinds of rock mass structure transitivity difference above and below stratification
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
The basis for determining its mechanical behavior, analysis rock mass crack initiation rule provides foundation for macroscopic analysis in terms of microcosmic.For single salt
Rock stratum, domestic and foreign scholars carry out achievement in research it is very much, by the study found that the deformation mechanism of this kind of rock mass of rock salt 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 confining pressure.Mud stone or
Gypsum rock mass is easily softened by water, when stress easy delamination failure.CT scan technology, Electronic Speculum and mercury injection method can test bedded salt
The microscopical structure and porosity that rock salt is mingled with mud stone in rock, but the deformation of the otherness between two kinds of rock mass can not be analyzed simultaneously.
Mismatch on mud stone and salt rock mechamics characteristic causes the neighbouring mud stone body in the two interface is equivalent to be answered by cross directional stretch
Force effect.Lithology difference make rock stratification destroy performance different characteristic, between rock salt and interlayer existing mechanical characteristic difference and
The creep rate of deformation, rock salt and interlayer differs nearly 2 magnitudes, this makes the destructive process of the rock mass of salt containing interlayer quite multiple
It is miscellaneous, influence storage cavern safety.
The present inventor passes through the study found that the mechanical attribute of beded rock mass is drilled by component, depositional environment, geology
The factors such as changing influences, and the intensity of bed plane is also to have by force to have weak, and Research Points and have ignored stratification in bedded salt rock entirety
The related physical mechanical characteristic of itself.Take suitable means system research alternating layers rock mass stratification 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.
Invention content
For the Research Points of the existing technology to beded rock mass in beded rock mass entirety, and have ignored stratification itself
The technical issues of related physical mechanical characteristic, the present invention provide a kind of multiple dimensioned survey of alternating layers rock mass stratification micro-structure non-compatible deformation
Determine method, this method takes suitable means systematically to study the objects such as alternating layers rock mass stratification microstructure characteristic, occurrence structural law
Property and Distortion Disciplinarian, be conducive to effectively analyze underground storage stability and seal.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions：
A kind of multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation, the assay method include following step
Suddenly：
S1, micro-scale stratification Analysis of Dislocation：Utilize Electronic Speculum tension and compression load apparatus combination electron-microscopic analysis layer in situ
The microstructure deformation of reason recycles focused ion beam cutting technique analysis rock mass crystal grain, interlayer and stratification interface microfissure
Shape characteristic discloses micro-crack crack initiation rule；
S2, meso-scale stratification deformation quantitative analysis：Super depth-of-field microscope is combined using Electronic Speculum tension and compression load apparatus in situ
Stratification stress deformation experiment is carried out, stratification stress deformation experiment is realized using super depth of field three-dimensional microscopy system, described super
Depth of field three-dimensional microscopy system includes pedestal, super depth-of-field microscope, gas blow pipe and the holder being set on the pedestal, the branch
It is fixed with Electronic Speculum tension and compression load apparatus in situ on frame, Electronic Speculum tension and compression load apparatus in situ is equipped with groove, in the groove
Test specimen is installed, the test specimen can apply stress by the stress module at left and right sides of groove, and the bottom of the groove is set
There are the heater heated to test specimen, the imaging lens of the super depth-of-field microscope to be located above test specimen, the gas blow pipe is for arranging
The clast generated except load；Using the three-dimensional imaging Survey Software in super depth-of-field microscope, quantitative analysis rock mass, folder when experiment
The stress process variances deformation characteristics of layer, alternating layers rock test piece, to quantitative analysis stratification regional deformation rule；
S3, macro-scale stratification otherness deformation analysis：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
Strain-type sensor monitoring data and CT scanner scan image comprehensive analysis stratification in loading procedure at different conditions
The deformation difference of both sides rock mass recycles the three-dimensional laser scanner of micron accuracies to analyze stratification plane of fracture pattern；
S4, in conjunction with aforementioned microcosmic dislocation, it is thin see deformation and macroscopic deformation characteristic, alternating layers are established by modeling software Matlab
The microcosmic dislocation deformation of rock mass stratification is to macroscopical crack propagation non-compatible deformation model.
Further, the electron microscope uses GATAN electron microscopes.
Further, the super depth-of-field microscope uses the super depth of field three-dimensional microscope of Keyemce.
Compared with prior art, the multiple dimensioned measurement side of alternating layers rock mass stratification micro-structure non-compatible deformation provided by the invention
Method is analyzed from the deformation of micro-scale stratification dislocation, the deformation of meso-scale stratification and macro-scale stratification otherness, and preceding
It states and establishes the microcosmic dislocation deformation of alternating layers rock mass stratification to macroscopical crack propagation non-compatible deformation model, i.e., from more on the basis of analyzing
Scale measures the non-compatible deformation characteristic of different stratifications construction, realize systematically research alternating layers rock mass stratification microstructure characteristic,
The physical property such as occurrence structural law and Distortion Disciplinarian are conducive to the stability and seal of effectively analyzing underground storage.
Description of the drawings
Fig. 1 is super depth of field three-dimensional microscopy system structure diagram provided by the invention.
Fig. 2 is the multiple dimensioned assay method flow diagram of alternating layers rock mass stratification non-compatible deformation provided by the invention.
In figure, 1, pedestal；2, super depth-of-field microscope；3, gas blow pipe；4, holder；5, Electronic Speculum tension and compression load apparatus in situ；6,
Test specimen；7, heater；8, Loading Control System is tested；9, super depth-of-field microscope image control system.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness ",
The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or
Position relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Shown in please referring to Fig.2, the present invention provides a kind of alternating layers rock mass stratification micro-structure non-compatible deformation multiple dimensioned measurement side
Method, the assay method include the following steps：
S1, micro-scale stratification Analysis of Dislocation：Utilize Electronic Speculum tension and compression load apparatus combination electron-microscopic analysis layer in situ
The microstructure deformation of reason, recycling focused ion beam (Focused Ion beam, FIB) cutting technique analysis rock mass crystal grain,
Interlayer and stratification interface microfissure shape characteristic disclose micro-crack crack initiation rule；Wherein, described to utilize Electronic Speculum tension and compression in situ
The microstructure deformation of load apparatus combination electron-microscopic analysis stratification specifically includes：Crackle generation position, direction of crack propagation,
Evolution law of cracks；It is described to utilize focused ion beam cutting technique analysis rock mass crystal grain, interlayer and stratification interface microfissure shape
Looks feature specifically includes：Observation area is selected, is cut using ion beam, electron-microscope scanning observation；
S2, meso-scale stratification deformation quantitative analysis：Super depth-of-field microscope is combined using Electronic Speculum tension and compression load apparatus in situ
Stratification stress deformation experiment is carried out, stratification stress deformation experiment is realized using super depth of field three-dimensional microscopy system, is please referred to
Shown in Fig. 1, the super depth of field three-dimensional microscopy system includes pedestal 1, and super depth-of-field microscope 2 on the pedestal 1 is blown
Tracheae 3 and holder 4 are fixed with Electronic Speculum tension and compression load apparatus 5 in situ, Electronic Speculum tension and compression load apparatus 5 in situ on the holder 4
It is equipped with groove, test specimen 6 is installed in the groove, the test specimen 6 can be applied by the stress module at left and right sides of groove
Stress, the bottom of the groove is added to be equipped with the heater 7 heated to test specimen 6, the imaging lens of the super depth-of-field microscope 2 are located at
6 top of test specimen, the gas blow pipe 3 are used to exclude the clast that load generates；When experiment using in super depth-of-field microscope it is three-dimensional at
As Survey Software, quantitative analysis rock mass, interlayer, alternating layers rock test piece stress process variances deformation characteristics, to measure
Change analysis stratification regional deformation rule；Wherein, the stress process of the quantitative analysis rock mass, interlayer, alternating layers rock test piece
Otherness deformation characteristics specifically include：The deformation of rock salt and the deformation of interlayer；The quantitative analysis stratification regional deformation rule tool
Body includes：Two kinds of rock relative deformations and Interface Crack propagation；The super depth of field three-dimensional microscopy system further includes pair
Experiment Loading Control System 8 that Electronic Speculum is controlled with tension and compression load apparatus 5 in situ and super depth-of-field microscope 2 is controlled
Super depth-of-field microscope image control system 9；
S3, macro-scale stratification otherness deformation analysis：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
Strain-type sensor monitoring data and CT scanner scan image comprehensive analysis stratification in loading procedure at different conditions
The deformation difference of both sides rock mass recycles the three-dimensional laser scanner of micron accuracies to analyze stratification plane of fracture pattern；Wherein, root
According to the strain-type sensor monitoring data and CT scanner scan image comprehensive analysis loading procedure at different conditions
The deformation difference of middle stratification both sides rock mass specifically includes：The difference of two kinds of rock mass deformation amounts；It is described to utilize the three of micron accuracies
Dimension laser scanner analysis stratification plane of fracture pattern specifically includes：Surface of test piece three-dimensional appearance and deformed region distribution；
S4, in conjunction with aforementioned microcosmic dislocation, it is thin see deformation and macroscopic deformation characteristic, alternating layers are established by modeling software Matlab
The microcosmic dislocation deformation of rock mass stratification is to macroscopical crack propagation non-compatible deformation model.
Compared with prior art, the multiple dimensioned measurement side of alternating layers rock mass stratification micro-structure non-compatible deformation provided by the invention
Method is analyzed from the deformation of micro-scale stratification dislocation, the deformation of meso-scale stratification and macro-scale stratification otherness, and preceding
It states and establishes the microcosmic dislocation deformation of alternating layers rock mass stratification to macroscopical crack propagation non-compatible deformation model, i.e., from more on the basis of analyzing
Scale measures the non-compatible deformation characteristic of different stratifications construction, realize systematically research alternating layers rock mass stratification microstructure characteristic,
The physical property such as occurrence structural law and Distortion Disciplinarian are conducive to the stability and seal of effectively analyzing underground storage.
As specific embodiment, the electron microscope uses GATAN electron microscopes, it is possible thereby to observation examination well
Part microstructure features and mineralogical composition.
As specific embodiment, the super depth-of-field microscope uses the super depth of field three-dimensional microscope of Keyemce, and thus, it is possible to realities
Existing a variety of microscopics, from the three-dimensional imaging of macro-scale to the detailed analysis of SEM；Also support many observation procedures simultaneously,
Including transillumination observation, polarizing illumination observation and differential interference observation.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (3)
1. a kind of multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation, which is characterized in that the assay method
Include the following steps：
S1, micro-scale stratification Analysis of Dislocation：Utilize Electronic Speculum tension and compression load apparatus combination electron-microscopic analysis stratification in situ
Microstructure deformation recycles focused ion beam cutting technique analysis rock mass crystal grain, interlayer and stratification interface microfissure pattern
Feature discloses micro-crack crack initiation rule；
S2, meso-scale stratification deformation quantitative analysis：It is carried out in conjunction with super depth-of-field microscope with tension and compression load apparatus in situ using Electronic Speculum
Stratification stress deformation is tested, and stratification stress deformation experiment is realized using super depth of field three-dimensional microscopy system, the super depth of field
Three-dimensional microscopy system includes pedestal, super depth-of-field microscope, gas blow pipe and the holder being set on the pedestal, on the holder
It is fixed with Electronic Speculum tension and compression load apparatus in situ, Electronic Speculum tension and compression load apparatus in situ is equipped with groove, the interior installation of the groove
There are test specimen, the test specimen that can apply stress by the stress module at left and right sides of groove, the bottom of the groove, which is equipped with, to be given
The imaging lens of the heater of test specimen heating, the super depth-of-field microscope are located above test specimen, and the gas blow pipe adds for excluding
Carry the clast generated；Using the three-dimensional imaging Survey Software in super depth-of-field microscope when experiment, quantitative analysis rock mass, interlayer, mutually
The stress process variances deformation characteristics of layer rock test piece, to quantitative analysis stratification regional deformation rule；
S3, macro-scale stratification otherness deformation analysis：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
Formula displacement sensor monitoring data and CT scanner scan image comprehensive analysis stratification both sides in loading procedure at different conditions
The deformation difference of rock mass recycles the three-dimensional laser scanner of micron accuracies to analyze stratification plane of fracture pattern；
S4, in conjunction with aforementioned microcosmic dislocation, it is thin see deformation and macroscopic deformation characteristic, alternating layers rock mass is established by modeling software Matlab
The microcosmic dislocation deformation of stratification is to macroscopical crack propagation non-compatible deformation model.
2. the multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation according to claim 1, feature exist
In the electron microscope uses GATAN electron microscopes.
3. the multiple dimensioned assay method of alternating layers rock mass stratification micro-structure non-compatible deformation according to claim 1, feature exist
In the super depth-of-field microscope uses the super depth of field three-dimensional microscope of Keyemce.
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| CN112213226B (en) * | 2017-09-07 | 2023-04-07 | 中国石油大学(华东) | Experimental device and method for researching high-temperature reservoir fracturing transformation micro-fracturing mechanism |
| 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 |
| CN111751258B (en) * | 2019-03-27 | 2023-07-18 | 中国石油化工股份有限公司 | Sample placement device for observing pore deformation and experimental method |
| CN110631936B (en) * | 2019-09-02 | 2021-02-23 | 中国矿业大学 | Quantitative evaluation test method for coal core damage |
| CN114279862B (en) * | 2021-11-17 | 2023-12-26 | 莆田学院 | Stress-strain three-dimensional test platform and test method |
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| 《岩体非协调变形对围岩中的应力和破坏的影响》;钱七虎 等.;《岩土力学与工程学报》;20130430;第649-656页 * |
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