CN107290502A - The potential slide surface field Quick method of mine slope rock mass - Google Patents
The potential slide surface field Quick method of mine slope rock mass Download PDFInfo
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- CN107290502A CN107290502A CN201710423191.6A CN201710423191A CN107290502A CN 107290502 A CN107290502 A CN 107290502A CN 201710423191 A CN201710423191 A CN 201710423191A CN 107290502 A CN107290502 A CN 107290502A
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- slope
- angle
- mine
- side slope
- slide surface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/02—Agriculture; Fishing; Mining
Abstract
A kind of potential slide surface field Quick method of mine slope rock mass, surface mine, investigates the engineering geological condition of slope rock mass scope in the wild, carries out enginering geologic sections, each subregion is numbered；Mine slope subregion is carried out, each area's mine slope is numbered, each area's mine slope photo is gathered and records；Measure height, the slope aspect of width and side slope, the slope angle of side slope；By slope division, measurement, if the inclination angle of structural plane is less than or equal to slope angle, realizes that slide surface differentiates according to structural plane tendency through the structural plane occurrence of whole side slope with side slope face tendency angle；The fault parameter of non-through side slope is measured one by one, if co-hade is less than or equal to slope angle, realizes that slide surface differentiates with side slope face tendency angle according to fault plane tendency；Joint group occurrence is measured one by one, if dip of joint is less than or equal to slope angle, realizes that slide surface differentiates with side slope face tendency angle according to joint plane tendency.The principle of the invention is simple, and easy to operate, with low cost, using effect is good.
Description
Technical field
The present invention relates to the potential slide surface field Quick method of mine slope rock mass, it is adaptable to according to field condition ore deposit
Accurately measurement carries out rock body quality of mine edge slope structure face to the corresponding structural plane roughness coefficient of the potential slide surface of mountain rock mass slope (JRC)
The occasion of the accurate value of shearing strength.
Background technology
The structural face shear strength of rock mass has each matter opposite sex, anisotropy, heterogencity and size effect in mine engineering
Feature is answered, any selection structural plane, which is appeared, carries out JRC measurements, by JRC-JCS model evaluation structural face shear strengths, will cause to take
Value object distortion, replace with individual values integral value, without value in the desired direction situations such as and there are value result severe deviations,
The shortcomings of artificially carrying out dimensional effect value and produce gross error.Because the potential slide surface field of no mine slope rock mass is fast
Fast method of discrimination, it is impossible to which the structure carried out corresponding to mine slope rock structural face shear strength sampling is found at scene accurately in the wild
Face, carries out JRC and accurately measures, realize the accurate value to mine slope rock mass structural plane shearing strength, set so as to carry out mining
The accurate calculating of the rock mass engineering designs such as meter.
Analyze JRC-JCS models：
Understand, for the specific rock mass discontinuity of specific environment, normal stress (σn), wall rock intensity (JCSn) and it is residual
Remaining angle of frictionThe value being all to determine, has structural plane roughness coefficient (JRC onlyn) there is each matter opposite sex, it is anisotropy, non-equal
One property and dimensional effect feature, and cause each matter opposite sex, anisotropy, heterogencity and the size effect of structural face shear strength
Should.Therefore, it is necessary on the basis of formerly making an accurate selection of the corresponding structural plane of the potential slide surface of mine slope rock mass, it is latent by field condition
Accurately measured in the corresponding structural plane roughness coefficient of slide surface, realize that engineering rock structural face resists by JRC-JCS models
Cut the accurate value of intensity.
At present still without the potential slide surface field Quick method of mine slope rock mass.
The content of the invention
In order to overcome prior art can not find progress mine slope rock structural face shear strength sampling accurately in scene in the wild
Corresponding structural plane, carries out JRC and accurately measures and realize to the accurate value of mine slope rock mass structural plane shearing strength
Deficiency, is simple and convenient to operate, with low cost, using effect is good, be easy to implement mine slope rock the invention provides a kind of principle
The potential slide surface field Quick method of mine slope rock mass of the accurate value of body structural face shear strength, sets to carry out mining
Necessary condition is created in the accurate calculating of meter.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of potential slide surface field Quick method of mine slope rock mass, comprises the following steps：
1) surface mine in the wild, investigates the engineering geological condition of slope rock mass scope, such as there is lithology or rock mass structure
Significant change, enginering geologic sections need to be carried out, each subregion is numbered；
2) according to the significant change of slope project parameter, mine slope subregion is carried out, each area's mine slope is numbered,
Gather each area's mine slope photo and record；
3) height, the width of each slope division are measured, slope aspect, the slope angle of side slope is measured；
4) slope division is pressed, measurement runs through the structural plane occurrence of whole side slope, if the inclination angle of structural plane is less than or equal to side slope
Angle, and：
4.1) if structural plane tendency is less than or equal to the first sliding threshold angle with side slope face tendency angle, side slope is possible to edge
The structural plane occur monoplane type sliding rupture, the structural plane as mine slope rock mass potential slide surface；
If 4.2) structural plane tendency is more than the first sliding threshold angle and less than the second sliding threshold with side slope face tendency angle
It is worth angle, side slope is possible to broken along the wedge generation biplane wedge type sliding of the structural plane and another discontinuities array
Bad, the structural plane is used as one of potential slide surface of biplane wedge type sliding rupture；
5) slope division is pressed, the fault parameter of non-through side slope is measured one by one, if co-hade is less than or equal to slope angle,
And：
5.1) if fault plane tendency is less than or equal to the first sliding threshold angle with side slope face tendency angle, side slope is possible to edge
The fault plane occur monoplane type sliding rupture, the fault plane as mine slope rock mass potential slide surface；
If 5.2) fault plane tendency is more than the first sliding threshold angle and less than the second sliding threshold with side slope face tendency angle
It is worth angle, side slope is possible to broken along the wedge generation biplane wedge type sliding of the fault plane and another discontinuities array
Bad, the fault plane is used as one of potential slide surface of biplane wedge type sliding rupture；
6) slope division is pressed, joint group occurrence is measured one by one, if dip of joint is less than or equal to slope angle, and：
6.1) if joint plane tendency is less than or equal to the first sliding threshold angle with side slope face tendency angle, side slope is possible to edge
Monoplane type sliding rupture occurs for this group of joint plane, the fault plane as mine slope rock mass potential slide surface；
If 6.2) joint plane tendency is more than the first sliding threshold angle and less than the second sliding threshold with side slope face tendency angle
It is worth angle, side slope is possible to broken along the wedge generation biplane wedge type sliding of this group of joint plane and another discontinuities array
Bad, the joint plane is used as one of potential slide surface of biplane wedge type sliding rupture.
Further, the step 2) in, field slope division edits and records mode：- the DCF-RZ-FY-HZ-ZJ of A- I, i.e. side slope
Partition name-enginering geologic sections title-mine title-mine type-counties and districts-districts and cities-province.
Further, the step 3) in, height, the width of side slope are measured with infrared range-measurement system, compass areal survey is used
The slope aspect of side slope, slope angle.
Further, the step 4) in, the structural plane includes stratification, foliation or the tomography through whole side slope.
It is preferred that, the first sliding threshold angle is 30 degree, and the second sliding threshold angle is 75 degree.
Beneficial effects of the present invention are mainly manifested in：Compared with prior art, the potential slide surface field of mine slope rock mass
Quick Method And Principle is simple, easy to operate, with low cost, realizes accurate value, using effect is good, is easy to according to JRC
Field accurate results are realized to each matter opposite sex of shearing strength, anisotropy, heterogencity and dimensional effect feature
Mine slope rock mass structural plane shearing strength carries out accurate value, is that the accurate calculating of the rock mass engineering design such as mining design is created
Necessary condition, with larger implementary value and economic results in society.
Embodiment
The invention will be further described below.
A kind of potential slide surface field Quick method of mine slope rock mass, comprises the following steps：
1) surface mine in the wild, investigates the engineering geological condition of slope rock mass scope, such as there is lithology or rock mass structure
Significant change, enginering geologic sections need to be carried out, each subregion is numbered (I II III IV ...)
2) according to the significant change of slope project parameter, mine slope segmentation is carried out, each section of mine slope is numbered
(A B C D ...), gathers each section of mine slope photo and records；Field slope division edits and records mode：A-Ⅰ-DCF-RZ-FY-
HZ-ZJ, i.e. slope division title-enginering geologic sections title-mine title-mine type-counties and districts-districts and cities-province；
3) height, the width of side slope are measured with infrared range-measurement system, with the slope aspect of compass areal survey side slope, slope angle；
4) slope division, structural plane (stratification, foliation or tomography through whole side slope) of the measurement through whole side slope are pressed
Occurrence.If the inclination angle of structural plane is less than or equal to slope angle, and：
If 4.1) structural plane tendency is less than or equal to first sliding threshold angle (such as the first sliding with side slope face tendency angle
Threshold angle takes 30 degree), side slope is possible to occur monoplane type sliding rupture along the structural plane, and the structural plane can be used as mine side
The potential slide surface of slope rock mass；
If 4.2) structural plane tendency is more than the first sliding threshold angle and less than the second sliding threshold with side slope face tendency angle
Value angle (the such as second sliding threshold angle takes 75 degree), side slope is possible to along the structural plane and another discontinuities array
Wedge occur biplane wedge type sliding rupture, the structural plane can as biplane wedge type sliding rupture potential slide surface it
One；
5) slope division is pressed, the fault parameter of non-through side slope is measured one by one, if co-hade is less than or equal to slope angle,
And：
If 5.1) fault plane tendency is less than or equal to first sliding threshold angle (such as the first sliding with side slope face tendency angle
Threshold angle takes 30 degree), side slope is possible to occur monoplane type sliding rupture along the fault plane, and the fault plane can be used as mine side
The potential slide surface of slope rock mass；
If 5.2) fault plane tendency is more than the first sliding threshold angle and less than the second sliding threshold with side slope face tendency angle
Value angle (the such as second sliding threshold angle takes 75 degree), side slope is possible to along the fault plane and another discontinuities array
Wedge occur biplane wedge type sliding rupture, the fault plane can as biplane wedge type sliding rupture potential slide surface it
One；
6) slope division is pressed, joint group occurrence is measured one by one, if dip of joint is less than or equal to slope angle, and：
If 6.1) joint plane tendency is less than or equal to first sliding threshold angle (such as the first sliding with side slope face tendency angle
Threshold angle takes 30 degree), side slope is possible to occur monoplane type sliding rupture along this group of joint plane, and the fault plane can be used as mine
The potential slide surface of slope rock mass；
If 6.2) joint plane tendency is more than the first sliding threshold angle and less than the second sliding threshold with side slope face tendency angle
Value angle (the such as second sliding threshold angle takes 75 degree), side slope is possible to form with another discontinuities array along this group of joint plane
Wedge occur biplane wedge type sliding rupture, the joint plane can as biplane wedge type sliding rupture potential slide surface
One of.
Claims (5)
1. a kind of potential slide surface field Quick method of mine slope rock mass, it is characterised in that：Comprise the following steps：
1) surface mine in the wild, investigates the engineering geological condition of slope rock mass scope, such as there is the bright of lithology or rock mass structure
Aobvious change, need to carry out enginering geologic sections, each subregion is numbered；
2) according to the significant change of slope project parameter, mine slope subregion is carried out, each area's mine slope is numbered, gathered
Each area's mine slope photo is simultaneously recorded；
3) height, the width of each slope division are measured, slope aspect, the slope angle of side slope is measured；
4) slope division is pressed, measurement runs through the structural plane occurrence of whole side slope, if the inclination angle of structural plane is less than or equal to slope angle,
And：
4.1) if structural plane tendency is less than or equal to the first sliding threshold angle with side slope face tendency angle, side slope is possible to along the knot
Structure face occur monoplane type sliding rupture, the structural plane as mine slope rock mass potential slide surface；
If 4.2) structural plane tendency is more than the first sliding threshold angle and less than the second sliding threshold angle with side slope face tendency angle
Degree, side slope is possible to occur biplane wedge type sliding rupture along the wedge of the structural plane and another discontinuities array, should
Structural plane is used as one of potential slide surface of biplane wedge type sliding rupture；
5) slope division is pressed, the fault parameter of non-through side slope is measured one by one, if co-hade is less than or equal to slope angle, and：
5.1) if fault plane tendency is less than or equal to the first sliding threshold angle with side slope face tendency angle, side slope is possible to disconnected along this
Aspect occur monoplane type sliding rupture, the fault plane as mine slope rock mass potential slide surface；
If 5.2) fault plane tendency is more than the first sliding threshold angle and less than the second sliding threshold angle with side slope face tendency angle
Degree, side slope is possible to occur biplane wedge type sliding rupture along the wedge of the fault plane and another discontinuities array, should
Fault plane is used as one of potential slide surface of biplane wedge type sliding rupture；
6) slope division is pressed, joint group occurrence is measured one by one, if dip of joint is less than or equal to slope angle, and：
6.1) if joint plane tendency is less than or equal to the first sliding threshold angle with side slope face tendency angle, side slope is possible to along the group
Joint plane occur monoplane type sliding rupture, the fault plane as mine slope rock mass potential slide surface；
If 6.2) joint plane tendency is more than the first sliding threshold angle and less than the second sliding threshold angle with side slope face tendency angle
Degree, side slope is possible to occur biplane wedge type sliding rupture along the wedge of this group of joint plane and another discontinuities array,
The joint plane is used as one of potential slide surface of biplane wedge type sliding rupture.
2. the potential slide surface field Quick method of mine slope rock mass as claimed in claim 1, it is characterised in that：It is described
Step 2) in, field slope division edits and records mode：- the DCF-RZ-FY-HZ-ZJ of A- I, i.e. slope division title-engineering geology points
Area's title-mine title-mine type-counties and districts-districts and cities-province.
3. the potential slide surface field Quick method of mine slope rock mass as claimed in claim 1 or 2, it is characterised in that：
The step 3) in, height, the width of side slope are measured with infrared range-measurement system, with the slope aspect of compass areal survey side slope, slope angle.
4. the potential slide surface field Quick method of mine slope rock mass as claimed in claim 1 or 2, it is characterised in that：
The step 4) in, the structural plane includes stratification, foliation or the tomography through whole side slope.
5. the potential slide surface field Quick method of mine slope rock mass as claimed in claim 1 or 2, it is characterised in that：
The first sliding threshold angle is 30 degree, and the second sliding threshold angle is 75 degree.
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| CN201710423191.6A CN107290502B (en) | 2017-06-07 | 2017-06-07 | The potential slide surface field quick discrimination method of mine slope rock mass |
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| CN201710423191.6A CN107290502B (en) | 2017-06-07 | 2017-06-07 | The potential slide surface field quick discrimination method of mine slope rock mass |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108804748A (en) * | 2018-04-16 | 2018-11-13 | 浙江大学 | Large surface mine side slope period of service dynamic design safety coefficient obtaining value method |
| CN110991885A (en) * | 2019-12-03 | 2020-04-10 | 四川省地质工程勘察院集团有限公司 | Method for evaluating easiness of developing of regional bedding rock slope |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108804748A (en) * | 2018-04-16 | 2018-11-13 | 浙江大学 | Large surface mine side slope period of service dynamic design safety coefficient obtaining value method |
| CN110991885A (en) * | 2019-12-03 | 2020-04-10 | 四川省地质工程勘察院集团有限公司 | Method for evaluating easiness of developing of regional bedding rock slope |
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| CN107290502B (en) | 2019-07-12 |
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