移动三维激光扫描技术在地铁隧道断面检测中的应用  

Application of Mobile 3D Laser Scanning Technology in Section Detection of Subway Tunnel

作　　者：丁孝兵 杨坤 陆庆虾 Ding Xiaobing;Yang Kun;Lu Qingxia(Foshan Institute of Surveying and Mapping Geographic Information,Foshan 528000,China)

机构地区：[1]佛山市测绘地理信息研究院,广东佛山528000

出　　处：《城市勘测》2021年第2期157-160,共4页Urban Geotechnical Investigation & Surveying

摘　　要：随着城镇化进程的不断推进,地铁成为城市公共交通的重要组成部分,为确保其安全运营,地铁隧道检测显得尤为重要。本文在阐明移动三维激光扫描技术进行隧道检测原理的基础上,介绍了利用该技术开展隧道断面检测的关键流程,并以珠三角某市地铁盾构区间扫描实践为例,对扫描结果进行了分析,实践证明该方法可靠、高效,更加符合隧道断面检测发展需求。With the continuous advancement of urbanization,subway has become an important part of urban public transport.In order to ensure its safe operation,subway tunnel detection is particularly important.On the basis of expounding the principle of mobile 3D laser scanning technology for tunnel detection,it was introduced that the key process of tunnel section detection by using this technology,and then the scanning results were analyzed by taking a subway shield section scanning practice in a city of the Pearl River Delta as an example.It was verified that the method is reliable and efficient,and more in line with the development needs of tunnel section detection.

关 键 词：移动三维激光扫描 隧道检测 水平直径 内壁影像 

分 类 号：P225.2[天文地球—大地测量学与测量工程] P258[天文地球—测绘科学与技术]