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Rapid and refined value obtaining method for surface mine side slope rock mass joint dimensions based on three-dimensional laser scanning

A three-dimensional laser, slope technology, applied in the direction of the use of optical devices, instruments, measuring devices, etc.

Active Publication Date: 2018-09-04
NINGBO UNIV
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Problems solved by technology

[0007] In order to solve the problem of precise and fast value determination of rock mass joints in slopes of open-pit mines, the present invention adopts the three-dimensional laser scanning measurement method to obtain structural surface geometric parameters, uses the K-means clustering method to carry out structural surface grouping, and in each group structural surface trace length On the basis of statistical analysis, combined with the field measurement results, the statistical distribution law and statistical characteristic value of the structural surface trace length of each group of rock mass in the slope are determined, and the penetration rate coefficient of the structural plane is calculated to provide a rock mass joint in the slope of an open-pit mine. Scale fast fine value method

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  • Rapid and refined value obtaining method for surface mine side slope rock mass joint dimensions based on three-dimensional laser scanning
  • Rapid and refined value obtaining method for surface mine side slope rock mass joint dimensions based on three-dimensional laser scanning
  • Rapid and refined value obtaining method for surface mine side slope rock mass joint dimensions based on three-dimensional laser scanning

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Embodiment Construction

[0049] The present invention will be further described below.

[0050] A method for fast and fine-scale value acquisition of rock mass joints in open-pit mine slopes based on 3D laser scanning, including measurement of geometric parameters of representative structural surfaces on site, fine measurement of 3D laser scanning of structural surfaces, analysis and processing of point cloud data of structural surfaces, and analysis and processing of structural surface data. Occurrence K-means clustering and structural surface scale statistical analysis in four aspects, including the following steps:

[0051] (1) On-site structural surface geometric parameter measurement:

[0052] 1.1: Determine the research scope of the required slope through graded analysis of the open-pit mine slope, measure the height H from the slope joint to the top of the slope, and observe the overall characteristics of the development of the rock mass structural plane within the research scope;

[0053] 1.2...

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Abstract

The invention relates to a rapid and refined value obtaining method for surface mine side slope rock mass joint dimensions based on three-dimensional laser scanning. A three-dimensional laser scanningmeasurement method is adopted for obtaining geometric parameters of structural surfaces, the structural surfaces are divided into groups by utilizing a K-means clustering method, and on the basis oftrace length statistical analysis of all the structural surface groups, a field site measurement result is combined, statistical distribution rules of occurrences and dimensions of structural surfacesof all the rock masses of a side slope as well as a statistical characteristic value are determined, and penetration rate coefficient of the structural surfaces is calculated. The invention providesa rapid and refined value obtaining method for the surface mine side slope rock mass joint dimensions.

Description

technical field [0001] The present invention relates to a method for quickly and finely determining the scale of rock mass joints in open-pit mine slopes. In particular, the present invention uses the geometric parameters of the structural planes obtained by the three-dimensional laser scanning measurement method, and uses the K-means clustering method to carry out structural plane grouping. , based on the statistical analysis of the occurrence of each group of structural planes, combined with the results of field measurements, the statistical distribution rules and statistical characteristic values ​​of the occurrence and scale of rock mass structural planes of each group of slopes were determined, and the field survey was combined with indoor statistical analysis Combined, the reliability of determining the scale of rock mass structural planes on slopes in open-pit mines is significantly improved, and the invention belongs to the field of engineering technology. Background ...

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Application Information

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IPC IPC(8): G01B11/00
CPCG01B11/002
Inventor 杜时贵雍睿刘杰胡高建杨小聪李泽夏才初刘文连
Owner NINGBO UNIV
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