CN108038881B - A kind of calculation method using directional light evaluation rock structural face fluctuating quantity - Google Patents
A kind of calculation method using directional light evaluation rock structural face fluctuating quantity Download PDFInfo
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Abstract
The invention discloses a kind of calculation methods using directional light evaluation rock structural face fluctuating quantity, belong to geotechnical engineering field, the present invention is scanned rock mass discontinuity by three-dimensional laser scanner, obtain rock mass discontinuity threedimensional model, structural plane surface three dimension model is carried out discrete, source of parallel light irradiation is carried out for each zone of dispersion after discrete and counts the gray scale and area of different zones, carry out gray scale and angular transition, extract effective shape characteristic parameter, shape characteristic parameter effective in positive light source analogy is analyzed and integrated, shape characteristic parameter effective in reverse light source analogy is analyzed and integrated, determine the rock structural face gross area, obtain rock structural face Undulating angle probability distribution statistical model.
Description
Technical field
The invention belongs to geotechnical engineering fields, and in particular to a kind of to evaluate rock structural face fluctuating quantity using directional light
Calculation method.
Background technique
Internal in engineering rock mass often to there are the discontinuity surfaces such as joint, crack, tomography, these discontinuity surfaces destroy rock mass
Integrality, control the characteristics such as intensity, deformation and the infiltration of rock mass, and then influence the stability and security of rock mass engineering project.It is coarse
An important factor for degree is the mechanical characteristic of influence structural plane, and the configuration of surface of natural rock structural plane has certain randomness
With complexity, therefore, how the fluctuating quantity in effective description scheme face is research rock structural plane roughness and mechanical characteristic
Basis.
At present to the evaluation method of rock mass discontinuity fluctuating quantity, a part is that the two dimensional cross-section based on structural plane proposes
, the three-dimensional character of structural plane roughness coefficient cannot be embodied；And for three-dimensional evaluation method, it can not reflect structural plane mostly
The anisotropic property of Undulating angle.It is therefore proposed that a kind of evaluate rock structural face fluctuating quantity based on three-dimensional and anisotropy
Calculation method is very necessary, can be further to establish deep-well microfissure roughness evaluation method, flow model in porous media and miniature crack grouting
Water blockoff theory lays the foundation.
Summary of the invention
For the above-mentioned technical problems in the prior art, rock knot is evaluated using directional light the invention proposes a kind of
The calculation method of structure face fluctuating quantity, design rationally, overcome the deficiencies in the prior art, have good effect.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of calculation method using directional light evaluation rock structural face fluctuating quantity, includes the following steps:
Step 1: establishing structural plane surface three dimension model；
Rock structural face is scanned using three-dimensional laser scanner, after obtaining structural plane surface three dimension coordinate data,
Secondary treatment, the final cuboid or square rock structural face threedimensional model for obtaining rule are carried out using three-dimensional drawing software；
Step 2: threedimensional model being carried out discrete；
Along being parallel to any one side of threedimensional model, subdivision, discrete is carried out to threedimensional model with minimum unit, is obtained several
Small rectangular body unit；
Step 3: simulating positive light source；
Step 4: analogous reverse light source；
Step 5: obtaining light source analogy gray level image；
By forward and inverse to light source analogy, image of the rock structural face under source of parallel light irradiation is obtained, respectively 0 degree just
To light source analogy image, 90 degree of positive light source analogy images, 0 degree of reverse light source analogy image, 90 degree of reverse light source analogy images；
Step 6: statistics gray scale and area；
Step 7: gray scale and angle are converted；
Step 8: extracting effective shape characteristic parameter；
Step 9: shape characteristic parameter effective in positive light source analogy is analyzed and integrated；
Step 10: shape characteristic parameter effective in reverse light source analogy is analyzed and integrated；
Step 11: determining the rock structural face gross area；
Step 12: obtaining rock structural face Undulating angle probability distribution statistical model.
Preferably, in step 3, it is set to using light source analogy technology in rock sample Surface Creation light and shade, light source
Rock structural face seepage flow originates one end, so that direction of illumination is consistent with its direction；It is one of intensity of illumination in guarantee all directions
Cause property, light source type use directional light, and directional light and rock structural face angle are set as 0 degree and 90 degree.
Preferably, in step 4, light source is set to reverse rock structural face seepage flow and originates one end, and light source type is using flat
Row light, directional light and rock structural face angle are set as 0 degree and 90 degree.
Preferably, in step 6, the discrete picture after the forward and inverse irradiation to light source is integrated into complete image, used
Matlab carries out gray-scale statistical to its four imaging surfaces respectively, obtains the gray scale that each minimum unit of rock structural face has
Its area is overlapped by value and its corresponding area for the region of same grayscale value, finally obtains 4 groups of rock structural faces
The gray value and its area statistics being had.
Preferably, in step 7, a smooth rock plane is simulated, setting is 0 degree to 180 degree with plane included angle
Directional light is irradiated, and gradient is 1 degree, and 181 kinds of situations of setting, obtain the gray value under different angles altogether, and then by rock knot
The gray value and its area statistics that structure face has are converted to angle and its area statistics.
Preferably, in step 8, the area system that angle is 90 degree to 179 degree is extracted in 0 degree of positive light source analogy image
Meter extracts the area statistics that angle is 180 degree in 90 degree of positive light source analogy images；In 0 degree of reverse light source analogy image
The area statistics that angle is 90 degree to 179 degree are extracted, the area that angle is 180 degree is extracted in 90 degree of reverse light source analogy images
Statistics.
Preferably, in step 9, in positive light source analogy, directional light and rock structural face angle are set as 0 degree, in parallel
The region of light irradiation be the Undulating angle for resisting rock the flow domain, which is greater than 0 degree less than or equal to 90 degree, right
Parallel irradiation angle analysis, therefore the area statistics that angle is 90 degree to 179 degree in the image are extracted, angle, which is 90 degree, to be indicated
Fu Jiao is 90 degree, and angle is that 91 degree of expression Undulating angles are 89 degree, and so on, angle is that 179 degree of expression Undulating angles are 1 degree；Just
Into light source analogy, directional light and rock structural face angle are set as 90 degree, and the region of directional light irradiation is entire rock texture
Face, it is more convenient to count the region that the part Undulating angle angle is 0 degree, to the analysis of parallel irradiation angle, therefore extracts the image
Middle angle is 90 degree of area statistics, and angle is 90 degree of regions for indicating that Undulating angle is 0 degree, finally obtains and resists rock seepage flow
Undulating angle is the area statistics in 0 degree to 90 degree region.
Preferably, in step 10, in reverse light source analogy, directional light and rock structural face angle are set as 0 degree, in parallel
The region of light irradiation be the Undulating angle for promoting rock the flow domain, which is greater than 0 degree less than or equal to 90 degree, right
Parallel irradiation angle analysis, therefore the area statistics that angle is 90 degree to 179 degree in the image are extracted, angle, which is 90 degree, to be indicated
Fu Jiao is 90 degree, and angle is that 91 degree of expression Undulating angles are 89 degree, and so on, angle is that 179 degree of expression Undulating angles are 1 degree；It is inverse
Into light source analogy, directional light and rock structural face angle are set as 90 degree, and the region of directional light irradiation is entire rock texture
Face, it is more convenient to count the region that the part Undulating angle angle is 0 degree, to the analysis of parallel irradiation angle, therefore extracts the image
Middle angle is 90 degree of area statistics, and angle is 90 degree of regions for indicating that Undulating angle is 0 degree, finally obtains and promotes rock seepage flow
Undulating angle is the area statistics in 0 degree to 90 degree region.
Preferably, in a step 11, Undulating angle 0 degree to 90 degree region and the promotion rock seepage flow of rock seepage flow will be resisted
The area in 1 degree to 90 degree region of Undulating angle is overlapped, because resisting 0 degree of Undulating angle and the 0 of promotion rock seepage flow of rock seepage flow
Degree Undulating angle is consistent, therefore only statistics is primary, does not repeat to count, and then obtain the gross area of rock structural face.
Preferably, in step 12, the Undulating angle setting for resisting rock seepage flow is positive, and the Undulating angle of rock seepage flow is promoted to set
Be set to it is negative, then, will resist, promote rock seepage flow Undulating angle be 0 degree to 90 degree region area statistics respectively divided by rock
The gross area of structural plane, and the two is incorporated into the same coordinate system, abscissa is Undulating angle, and ordinate is more than or equal to the angle
The ratio of area summation and the rock structural face gross area, it is final to obtain rock structural face Undulating angle probability distribution statistical model.
Advantageous effects brought by the present invention:
The present invention is scanned rock mass discontinuity by three-dimensional laser scanner, obtains rock mass discontinuity threedimensional model；
It is discrete to the progress of structural plane surface three dimension model, source of parallel light irradiation is carried out for each zone of dispersion after discrete and counts different
Discrete results are superimposed to obtain the undulation angle and area statistics of structural plane surface whole region by the gray scale and area in region, should
Calculation method is that the three-dimensional shearing mechanical characteristic of further study of rocks structural plane and seepage characteristic are laid a good foundation, and is mainly existed
On the basis of the direction and the anisotropy that consider structural plane Undulating angle, the fluctuating journey of rock structural face can be accurately and accurately obtained
Degree.
Detailed description of the invention
Fig. 1 is gritstone test block and partial enlarged view.
Fig. 2 is packsand test block and partial enlarged view.
Fig. 3 is gritstone structural plane threedimensional model schematic diagram.
Fig. 4 is packsand structural plane threedimensional model schematic diagram.
Fig. 5 is the discrete subdivision graph of model.
Fig. 6 is discrete model partial enlarged view.
Positive light source analogy schematic diagram when Fig. 7 is directional light and rock structural face angle is 0 degree.
Positive light source analogy schematic diagram when Fig. 8 is directional light and rock structural face angle is 90 degree.
Reverse light source analogy schematic diagram when Fig. 9 is directional light and rock structural face angle is 0 degree.
Reverse light source analogy schematic diagram when Figure 10 is directional light and rock structural face angle is 90 degree.
Figure 11 is that discrete picture is integrated into complete image schematic diagram.
Figure 12 is directional light gray-value image schematic diagram corresponding with the angle of rock structural face.
Figure 13 is gritstone structural plane Undulating angle probability distribution statistical model schematic.
Figure 14 is packsand structural plane Undulating angle probability distribution statistical model schematic.
Figure 15 is a kind of flow chart of calculation method that rock structural face fluctuating quantity is evaluated using directional light.
Specific embodiment
With reference to the accompanying drawing and specific embodiment invention is further described in detail:
A kind of calculation method using directional light evaluation rock structural face fluctuating quantity, process is as shown in figure 15, specifically
Include the following steps:
1, structural plane surface three dimension model is established
Gritstone, packsand test block are obtained, as shown in Figure 1 and Figure 2.Using three-dimensional laser scanner to gritstone, packsand
Structural plane is scanned, scanning accuracy 0.4mm, after obtaining structural plane surface three dimension coordinate data, utilizes three-dimensional drawing software
Secondary treatment is carried out, it is as shown in Figure 3, Figure 4 finally to obtain gritstone, packsand structural plane threedimensional model.
2, structural plane surface three dimension model is carried out discrete
Along any one side for being parallel to threedimensional model, subdivision, discrete, several small cuboids of acquisition are carried out with minimum unit
Unit, as shown in figure 5, its partial enlargement is as shown in Figure 6.
3, positive light source is simulated
Using light source analogy technology in discrete rock sample Surface Creation light and shade, light source is set to rock structural face infiltration
Stream starting one end, so that direction of illumination is consistent with its direction.For the consistency for guaranteeing intensity of illumination in all directions, light source type
Using directional light.Directional light and rock structural face angle are set as 0 degree and 90 degree, as shown in Figure 7, Figure 8.
4, analogous reverse light source
Light source is set to reverse rock structural face seepage flow and originates one end, so that direction of illumination is consistent with its direction.To guarantee
The consistency of intensity of illumination in all directions, light source type use directional light.Directional light and rock structural face angle are set as 0 degree
With 90 degree, as shown in Figure 9, Figure 10.
5, light source analogy gray level image is obtained
By forward and inverse to light source analogy, image of the rock structural face under source of parallel light irradiation is obtained, respectively 0 degree just
To light source analogy image, 90 degree of positive light source analogy images, 0 degree of reverse light source analogy image, 90 degree of reverse light source analogy images.
6, gray scale and area are counted
Discrete picture after excessively forward and inverse from the irradiation to light source is integrated into complete image, as shown in figure 11.Using Matlab points
It is other that gray-scale statisticals are carried out to its four imaging surfaces, obtain gray value that each minimum unit of rock structural face has and its right
The area answered.For the region of same grayscale value, its area is overlapped.Finally obtain what 4 groups of rock structural faces had
Gray value and its area statistics.
7, gray scale and angle are converted
A smooth rock plane is simulated, setting is that 0 degree of directional light to 180 degree is irradiated with plane included angle, ladder
Degree is 1 degree, and 91 kinds of situations are arranged altogether.The gray value under different angles is obtained, as shown in figure 12.And then rock structural face is had
Standby gray value and its area statistics is converted to angle and its area statistics.
8, effective shape characteristic parameter is extracted
The area statistics that angle is 90 degree to 179 degree are extracted in 0 degree of positive light source analogy image, in 90 degree of positive light sources
The area statistics that angle is 180 degree are extracted in analog image；In 0 degree of reverse light source analogy image extract angle be 90 degree extremely
179 degree of area statistics extract the area statistics that angle is 180 degree in 90 degree of reverse light source analogy images.
9, shape characteristic parameter effective in positive light source analogy is analyzed and is integrated.
In positive light source analogy, directional light and rock structural face angle are set as 0 degree, and the region of directional light irradiation is to resist
The Undulating angle of rock the flow domain, which is greater than 0 degree and is less than or equal to 90 degree, to parallel irradiation angle point
Analysis, therefore the area statistics that angle is 90 degree to 179 degree in the image are extracted, angle is that 90 degree of expression Undulating angles are 90 degree, angle
It is 89 degree for 91 degree of expression Undulating angles, and so on, angle is that 179 degree of expression Undulating angles are 1 degree.In positive light source analogy, put down
Row light and rock structural face angle are set as 90 degree, and the region of directional light irradiation is entire rock structural face, count the part and rise
It is more convenient to lie prostrate the region that angle angle is 0 degree, parallel irradiation angle is analyzed, therefore extracting angle in the image is 90 degree of areas
Statistics, angle are 90 degree of regions for indicating that Undulating angle is 0 degree.Finally obtaining and resisting the Undulating angle of rock seepage flow is 0 degree to 90
Spend the area statistics in region.
10, shape characteristic parameter effective in reverse light source analogy is analyzed and is integrated
In reverse light source analogy, directional light and rock structural face angle are set as 0 degree, and the region of directional light irradiation is to promote
The Undulating angle of rock the flow domain, which is greater than 0 degree and is less than or equal to 90 degree, to parallel irradiation angle point
Analysis, therefore the area statistics that angle is 90 degree to 179 degree in the image are extracted, angle is that 90 degree of expression Undulating angles are 90 degree, angle
It is 89 degree for 91 degree of expression Undulating angles, and so on, angle is that 179 degree of expression Undulating angles are 1 degree.In reverse light source analogy, put down
Row light and rock structural face angle are set as 90 degree, and the region of directional light irradiation is entire rock structural face, count the part and rise
It is more convenient to lie prostrate the region that angle angle is 0 degree, parallel irradiation angle is analyzed, therefore extracting angle in the image is 90 degree of areas
Statistics, angle are 90 degree of regions for indicating that Undulating angle is 0 degree.The Undulating angle for finally obtaining promotion rock seepage flow is 0 degree to 90
Spend the area statistics in region.
11, the rock structural face gross area is determined
0 degree to 90 degree region of Undulating angle of rock seepage flow will be resisted and promote 1 degree to 90 degree area of Undulating angle of rock seepage flow
The area in domain is overlapped, because resisting 0 degree of Undulating angle of rock seepage flow and 0 degree of Undulating angle of rock seepage flow being promoted to be consistent,
Therefore only statistics is primary, does not repeat to count, and then obtain the gross area of rock structural face.
12, rock structural face Undulating angle probability distribution statistical model is obtained
The Undulating angle setting for resisting rock seepage flow is positive, and promotes the Undulating angle setting of rock seepage flow to be negative, then, will support
Undulating angle that is anti-, promoting rock seepage flow is the area statistics in 0 degree to 90 degree region respectively divided by the gross area of rock structural face, and
The two is incorporated into the same coordinate system, abscissa is Undulating angle, and ordinate is more than or equal to the angle area summation and rock knot
The ratio of the structure face gross area finally obtains gritstone, packsand structural plane Undulating angle probability distribution statistical model such as Figure 13,14 institutes
Show.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (1)
1. a kind of calculation method using directional light evaluation rock structural face fluctuating quantity, characterized by the following steps:
Step 1: establishing structural plane surface three dimension model；
Rock structural face is scanned using three-dimensional laser scanner, after obtaining structural plane surface three dimension coordinate data, is utilized
Three-dimensional drawing software carries out secondary treatment, the final cuboid or square rock structural face threedimensional model for obtaining rule；
Step 2: threedimensional model being carried out discrete；
Along being parallel to any one side of threedimensional model, subdivision, discrete is carried out to threedimensional model with minimum unit, is obtained several small
Rectangular body unit；
Step 3: simulating positive light source；
Using light source analogy technology in rock sample Surface Creation light and shade, light source is set to rock structural face seepage flow starting one
End, so that direction of illumination is consistent with its direction；For the consistency for guaranteeing intensity of illumination in all directions, light source type is using parallel
Light, directional light and rock structural face angle are set as 0 degree and 90 degree；
Step 4: analogous reverse light source；
Light source is set to reverse rock structural face seepage flow and originates one end, and light source type uses directional light, directional light and rock texture
Face angle is set as 0 degree and 90 degree；
Step 5: obtaining light source analogy gray level image；
By forward and inverse to light source analogy, image of the rock structural face under source of parallel light irradiation, respectively 0 degree positive light are obtained
Source analog image, 90 degree of positive light source analogy images, 0 degree of reverse light source analogy image, 90 degree of reverse light source analogy images；
Step 6: statistics gray scale and area；
Discrete picture after forward and inverse from the irradiation to light source is integrated into complete image, its four are schemed respectively using Matlab
Image surface carries out gray-scale statistical, obtains gray value and its corresponding area that each minimum unit of rock structural face has, needle
To the region of same grayscale value, its area is overlapped, finally obtains the gray value and its face that 4 groups of rock structural faces have
Product statistics；
Step 7: gray scale and angle are converted；
A smooth rock plane is simulated, setting is that 0 degree of directional light to 180 degree is irradiated with plane included angle, gradient 1
181 kinds of situations are arranged altogether, obtain the gray value under different angles for degree, so gray value that rock structural face is had and its
Area statistics are converted to angle and its area statistics；
Step 8: extracting effective shape characteristic parameter；
The area statistics that angle is 90 degree to 179 degree are extracted in 0 degree of positive light source analogy image, in 90 degree of positive light source analogies
The area statistics that angle is 180 degree are extracted in image；It is 90 degree to 179 degree that angle is extracted in 0 degree of reverse light source analogy image
Area statistics, in 90 degree of reverse light source analogy images extract angle be 180 degree area statistics；
Step 9: shape characteristic parameter effective in positive light source analogy is analyzed and integrated；
In positive light source analogy, directional light and rock structural face angle are set as 0 degree, and the region of directional light irradiation is to resist rock
The Undulating angle of the flow domain, part Undulating angle angle are greater than 0 degree and are less than or equal to 90 degree, analyze parallel irradiation angle, therefore mention
The area statistics that angle is 90 degree to 179 degree in the image are taken, angle is that 90 degree of expression Undulating angles are 90 degree, and angle is 91 degree of tables
Show that Undulating angle is 89 degree, and so on, angle is that 179 degree of expression Undulating angles are 1 degree；In positive light source analogy, directional light and rock
Stone structure face angle is set as 90 degree, and the region of directional light irradiation is entire rock structural face, counts the part Undulating angle angle
Region for 0 degree is more convenient, analyzes parallel irradiation angle, therefore extracting angle in the image is 90 degree of area statistics, folder
Angle is 90 degree of regions for indicating that Undulating angle is 0 degree, and finally obtaining and resisting the Undulating angle of rock seepage flow is 0 degree to 90 degree region
Area statistics；
Step 10: shape characteristic parameter effective in reverse light source analogy is analyzed and integrated；
In reverse light source analogy, directional light and rock structural face angle are set as 0 degree, and the region of directional light irradiation is to promote rock
The Undulating angle of the flow domain, part Undulating angle angle are greater than 0 degree and are less than or equal to 90 degree, analyze parallel irradiation angle, therefore mention
The area statistics that angle is 90 degree to 179 degree in the image are taken, angle is that 90 degree of expression Undulating angles are 90 degree, and angle is 91 degree of tables
Show that Undulating angle is 89 degree, and so on, angle is that 179 degree of expression Undulating angles are 1 degree；In reverse light source analogy, directional light and rock
Stone structure face angle is set as 90 degree, and the region of directional light irradiation is entire rock structural face, counts the part Undulating angle angle
Region for 0 degree is more convenient, analyzes parallel irradiation angle, therefore extracting angle in the image is 90 degree of area statistics, folder
Angle is 90 degree of regions for indicating that Undulating angle is 0 degree, and the Undulating angle for finally obtaining promotion rock seepage flow is 0 degree to 90 degree region
Area statistics；
Step 11: determining the rock structural face gross area；
1 degree to the 90 degree region of Undulating angle in 0 degree to 90 degree region of Undulating angle and promotion rock seepage flow of rock seepage flow will be resisted
Area is overlapped, because resisting 0 degree of Undulating angle of rock seepage flow and 0 degree of Undulating angle of rock seepage flow being promoted to be consistent, therefore only
Statistics is primary, does not repeat to count, and then obtain the gross area of rock structural face；
Step 12: obtaining rock structural face Undulating angle probability distribution statistical model；
The Undulating angle setting for resisting rock seepage flow is positive, and the Undulating angle setting of rock seepage flow is promoted to be negative, and then, will resist, promotees
Undulating angle into rock seepage flow is the area statistics in 0 degree to 90 degree region respectively divided by the gross area of rock structural face, and by two
Person is incorporated into the same coordinate system, and abscissa is Undulating angle, and ordinate is more than or equal to the angle area summation and rock structural face
The ratio of the gross area, it is final to obtain rock structural face Undulating angle probability distribution statistical model.
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| CN201810024809.6A CN108038881B (en) | 2018-01-11 | 2018-01-11 | A kind of calculation method using directional light evaluation rock structural face fluctuating quantity |
| PCT/CN2018/083149 WO2019136870A1 (en) | 2018-01-11 | 2018-04-16 | Calculation method employing parallel light to evaluate degree of fluctuation in structural surface of rock mass |
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| CN109612914A (en) * | 2018-12-05 | 2019-04-12 | 中国地质大学（北京） | A kind of carbonate rock corrosion process visualization qualitatively and quantitatively evaluation method |
| CN110702536B (en) * | 2019-10-25 | 2022-04-19 | 安徽建筑大学 | Rock mass structural plane shear failure surface morphology evolution law research method and system |
| CN112508766B (en) * | 2020-06-16 | 2022-04-26 | 湖北工业大学 | Intelligent interpretation method for rock mass structural plane based on point cloud and GPU (graphics processing Unit) technology |
| CN114076979A (en) * | 2020-08-17 | 2022-02-22 | 中国石油化工股份有限公司 | Near-surface equivalent velocity modeling method and device, electronic equipment and medium |
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| EP1058131B1 (en) * | 1999-06-03 | 2004-09-01 | Jason Geosystems B.V. | Method of determining spatial changes in subsurface structure stratigraphy, lithology and fluid content and of reducing seismic noise |
| US20090214803A1 (en) * | 2007-09-12 | 2009-08-27 | Huber Marketing Group, Llc | Artificial Stone |
| US8311788B2 (en) * | 2009-07-01 | 2012-11-13 | Schlumberger Technology Corporation | Method to quantify discrete pore shapes, volumes, and surface areas using confocal profilometry |
| CN103926129B (en) * | 2014-05-04 | 2016-04-13 | 中南大学 | One copies joint waviness and experimental technique with artificial rock material |
| CN105466790B (en) * | 2015-11-10 | 2017-12-29 | 内蒙古科技大学 | A kind of rock structural face shear strength appraisal procedure of anisotropic character |
| CN106227923B (en) * | 2016-07-14 | 2018-02-27 | 中国地质大学（武汉） | A kind of rock mass discontinuity three-dimensional roughness evaluation method |
| CN106546189A (en) * | 2016-11-14 | 2017-03-29 | 绍兴文理学院 | A kind of anisotropic evaluation methodology of array of sizes rock mass discontinuity relief intensity |
| CN107036905B (en) * | 2017-03-28 | 2019-07-23 | 中国地质大学（武汉） | A kind of rock mass discontinuity two dimension roughness evaluation method and system |
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