Deformation monitoring of ancient towers based on 3D laser scanning technology

doi:10.13474/j.cnki.11-2246.2020.0227

Abstract

Abstract: In order to explore the traditional deformation monitoring method, it is difficult to satisfy all deformation characteristics of ancient towers. This paper takes Yanchangta of Tongchuan city as the research object, uses 3D laser scanning technology to obtain the data of the tower's point cloud, and uses Geomagic software to model. Matlab software is used to fit the tilt variation of the tower. The results show that:from 2015 to 2019, there are different degrees of torsion in each layer of the Yanchang Temple Tower, and the overall offset of the ancient tower remains basically unchanged, and the trend of change is basically stable. 3D laser scanning technology has obtained the change trend of the ancient tower analyzed by multiple monitoring data. The method is feasible and the accuracy is high. The research results are intended to provide reference and technical support for the development of similar projects.

Key words: 3D laser scanning, building deformation, point cloud data, precision, deformation monitoring

CLC Number:

P258

WANG Li, ZHOU Jiawei, WANG Hongsen, JIANG Dapeng. Deformation monitoring of ancient towers based on 3D laser scanning technology[J]. Bulletin of Surveying and Mapping, 2020, 0(7): 120-124,129.

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