摘要
地铁是人类利用地下空间的有效手段,地铁车站对地铁的运营管理有着重要作用。传统方法是利用全站仪对地下空间对象进行特征点采集,但是这种方式作业强度大,效率低,并且与地面控制点联测复杂,精度误差容易累计。为了改善这种现状,采用了一种基于手持式三维激光扫描仪的地铁车站空间普查方法,提高作业效率的同时还减轻了工作强度。通过工程实例评估了其精度,验证了其在地下空间测量中应用的可行性及可靠性,为城市地下空间对象的普查提供了一定参考。
Subway is an effective means for human to use underground space,and subway stations play an important role in subway operation and management.The traditional method is to use total station to collect feature points of underground space objects,but this method has high work intensity,low efficiency,and is complicated to measure with ground control points,and the accuracy error is easy to accumulate.In order to improve this situation,a subway station space survey method based on handheld three-dimensional laser scanner is adopted,which improves the operation efficiency and reduces the work intensity.The accuracy is evaluated through an engineering example,and the feasibility and reliability of its application in underground space measurement are verified,which provides a reference for the survey of urban underground space objects.
作者
孙国强
钱政彦
王杰
SUN Guoqiang;QIAN Zhengyan;WANG Jie(Jiangsu Academy of Surveying and Mapping Engineering,Nanjing 210013,China;Shanghai Institute of Surveying and Mapping,Shanghai 200063,China;Zhejiang Academy of Surveying and Mapping,Hangzhou 310012,China)
出处
《城市勘测》
2025年第1期81-85,共5页
Urban Geotechnical Investigation & Surveying
