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三维激光扫描技术在地铁工程测量的应用综述

Summarize on the application of 3D laser scanning technology in subway engineering survey
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摘要 旨在调查研究三维激光扫描技术在地铁隧道测量的应用方向和技术成熟度,为其在隧道工程测量的推广应用提供指导。近几年大量文献针对三维激光扫描技术在地铁隧道测量的应用进行了研究,本文综合分析了当前各研究方向实现方法、精度、作业效率及实际应用效果,表明:①在隧道中轴线提取、纵横断面及限界测量、调坡调线、三维建模等方面三维激光扫描技术应用成熟,但是作业效率需进一步提高;②在断面变形与收敛分析方面,激光扫描技术优势显著,得到较广泛的应用,编入到2016版《建筑变形测量》规范中;③在隧道裂缝和渗水检测方面有所尝试,但精度效率有待考证。 The purpose is to guide the extension of 3D laser scanning technology by investigating the application and the technological maturity in subway tunnel measurement. In recent years, a large number of documents have been researching the application of 3D laser scanning technology in subway tunnel measurement. The implementation methods, accuracy, operation efficiency and practical application effect of the current research directions are comprehensively analyzed in this paper. The conclusion are as follows: ① 3D laser scanning technology is fit for tunnel axis extraction, profile and clearance measurement, route alignment and gradient adjustment, tunnel 3D model and so on, but work efficiency need to be improved;② 3D laser scanning technology has significant advantages and been populated in section deformation and convergence analysis of tunnel, which has been compiled into code for deformation measurement of building and structure;③ Some attempts have been made in the recognition of segment joint wall seepage and cracks, but the accuracy and efficiency need to be verified.
作者 王峰 王清泉 王红新 温立委 Wang Feng;Wang Qingquan;Wang Hongxin;Wen Liwei(Guangzhou Urban Planning &Design Survey Research Insitute,Guangzhou 510060,China)
出处 《工程勘察》 2019年第1期56-60,共5页 Geotechnical Investigation & Surveying
基金 广州市科技计划项目(201704030102).
关键词 隧道测量 三维激光扫描技术 断面测量 变形测量 断面收敛分析 三维建模 tunnel measurement 3D Laser scanning technology profile measurement deformation measurement convergence analysis 3D modeling
作者简介 王峰(1978-),男(汉族),河南周口人,博士,教授级高级工程师.
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