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Rock mass integrity coefficient calculation method and device and storage medium

A technology of integrity coefficient and calculation method, applied in the field of engineering exploration, can solve problems such as uncertainty, slow acquisition efficiency, and low accuracy of rock mass integrity coefficient

Active Publication Date: 2022-01-11
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The correction coefficient cannot be deduced from theory, and can only rely on engineering experience, and the above three methods all require manual visual identification of joint numbers, and the results obtained have great uncertainty
To sum up, in the prior art, the identification of the joint number itself is time-consuming, laborious, and inefficient, and it needs to be corrected by the correction coefficient. The accuracy rate is affected by the control and engineering experience, resulting in the accuracy rate of the obtained rock mass integrity coefficient. Low, slow acquisition efficiency

Method used

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  • Rock mass integrity coefficient calculation method and device and storage medium
  • Rock mass integrity coefficient calculation method and device and storage medium
  • Rock mass integrity coefficient calculation method and device and storage medium

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Experimental program
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Embodiment 1

[0061] refer to figure 1 As shown, this embodiment discloses a method for calculating the integrity coefficient of rock mass, which specifically includes the following steps:

[0062] The first step is to collect rock mass images;

[0063] The second step is to perform superpixel segmentation on the rock mass image to form K superpixel blocks;

[0064] In the third step, the superpixel blocks are merged according to the region growing algorithm, and a distribution map of rock mass joints and fissures with multiple merged regions is obtained;

[0065] The fourth step is to equidistantly divide the distribution map of rock mass joints and fissures according to preset rules to form multiple divided areas, obtain the joint rate and number of joints in each divided area, and record them as a set of data;

[0066] The fifth step, the data and formulas recorded in each division area J v = a x F v n + b fit, get the coefficient a ,index n with constant b ;in J v is the ...

Embodiment 2

[0102] Such as Figure 11 As shown, this embodiment provides a device for implementing the calculation method in Embodiment 1, the device comprising:

[0103] an image acquisition unit, configured to acquire rock mass images;

[0104] The superpixel segmentation unit is connected with the image acquisition unit, receives the collected rock mass images, and performs superpixel segmentation on the rock mass images to form superpixel blocks;

[0105] The region growing unit is connected with the superpixel segmentation unit, receives the rock mass image after superpixel segmentation, and merges the superpixel blocks to form a distribution map of rock mass joints and fissures;

[0106] The area division unit is connected with the area growth unit, receives the distribution map of rock mass joints and fissures, divides the distribution map of rock mass joints and fissures according to preset rules to form division areas, and obtains the joint rate and number of joints in each divi...

Embodiment 3

[0111] This embodiment discloses a computer-readable storage medium, where a computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the computing method described in Embodiment 1 is implemented.

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Abstract

The invention belongs to the technical field of engineering exploration, relates to a rock mass integrity coefficient calculation method and device and a storage medium. The calculation method comprises the following steps that: a rock mass image is acquired; super-pixel segmentation is performed on the rock mass image; the super-pixel blocks are combined to obtain a rock mass joint fissure distribution map; the rock mass joint fissure distribution map is divided at equal intervals to form a plurality of divided areas, the joint rate and the joint number in each divided area are acquired, and the joint rate and the joint number are recorded as a group of data; the data recorded in each divided area is fitted with a formula Jv = a * Fvn + b to obtain a coefficient a, an index n and a constant b, wherein Jv is the joint number, and Fv is the joint rate; the maximum joint rate in each divided area is selected and substituted into the formula Jv = a * Fvn + b, and a corresponding joint number Jv is obtained; and a rock mass integrity coefficient Kv corresponding to the joint number Jv is obtained. The rock mass integrity coefficient can more accurately reflect the conditions of rock mass structure types, rock mass integrity and the like.

Description

technical field [0001] The invention relates to the technical field of engineering exploration, in particular to a calculation method, device and storage medium for a rock mass integrity coefficient. Background technique [0002] Integrity factor of rock mass K v , which can not only reflect the structure type and rock mass integrity, but also reflect the development degree and shape of structural planes. According to the GBT50218-2014 engineering rock mass classification standard, there is a corresponding relationship between the number of rock mass volume joints and the rock mass integrity coefficient. Therefore, the volume joint number of rock mass is an important parameter affecting the integrity coefficient of rock mass. [0003] In the prior art, there are mainly three methods for measuring the volume joint number of rock mass: direct measurement method, distance method and strip number method. The direct measurement method requires the surface to be measured to ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/11G06T7/62G06V10/762
CPCG06T7/11G06T7/62G06T2207/10004G06T2207/20081G06F18/23
Inventor 傅金阳王宇王浩宇阳军生祝志恒张聪张学民
Owner CENT SOUTH UNIV
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