Application of Terrestrial 3D Laser Scanning Technology in Deformation Monitoring of Dangerous Rock Mass

doi:10.13474/j.cnki.11-2246.2017.0350

Abstract

Abstract: In this paper, a method of surface deformation monitoring of high risk rock mass based on 3D laser scanning is proposed. Firstly, the normal vector of the reference point of cloud data is calculated and the cylinder is constructed based on the normal vector of this point. And then calculating the regional center of gravity of the second-stage cloud data in the cylinder as the basis for comparing the two or more stages of the surface of the dangerous rock. We apply this method to Chongqing wulong-nanchuan district Jiguanling dangerous rock mass deformation monitoring,which gets a preliminary satisfying result.

Key words: 3D laser scanning, point cloud, deformation monitoring, cylinder, region gravity center

CLC Number:

P258

ZHU Haixiong, SUI Lichun, LU Kaixiang. Application of Terrestrial 3D Laser Scanning Technology in Deformation Monitoring of Dangerous Rock Mass[J]. 测绘通报, 2017, 0(11): 68-71.

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Application of Terrestrial 3D Laser Scanning Technology in Deformation Monitoring of Dangerous Rock Mass

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