Terrestrial laser scanning technology for deformation monitoring and surface modeling of arch structures

被引：92
|
作者：
Yang, Hao [1 ,2 ]
Omidalizarandi, Mohammad [2 ]
Xu, Xiangyang [2 ]
Neumann, Ingo [2 ]
机构：
[1] Jiangsu Univ Sci & Technol, Zhenjiang City, Jiangsu, Peoples R China
[2] Leibniz Univ Hannover, Geodet Inst, Fac Civil Engn & Geodet Sci, Hannover, Germany
来源：
COMPOSITE STRUCTURES | 2017年 / 169卷
关键词：
Terrestrial laser scanning; Deformation monitoring; Data extraction; Surface approximation;
D O I：
10.1016/j.compstruct.2016.10.095
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Terrestrial laser scanning (TLS) is capable to be a reliable deformation monitoring device with high precision for concrete composite structures. Measurements based on TLS for an arch structure with monotonic loading is carried out. In this paper, comparison between original and optimized extraction of point clouds are presented. Surface approximation is implemented, where the vacant measurement area is also covered and the uncertainties of different-order surfaces are investigated. The results of surface approximation based on TLS measurement have certain relation with surface roughness of specimen, which will be eliminated by subtraction in deformation calculation. (C) 2016 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：173 / 179
页数：7
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