三维激光扫描在隧洞围岩结构信息获取中的应用研究
张浩,卿黎,邱士利,寇永渊,郭赟林,夏胜衍

Application of Three-dimensional Laser Scanning in Extracting Rock Mass Structure Information of Tunnel
Hao ZHANG,Li QING,Shili QIU,Yongyuan KOU,Yunlin GUO,Shengyan XIA
表3 +650 m水平卸载站硐室工程区混合岩地层发育的优势结构面组提取与地测结果差值及利用校核算法计算产状差值比较
Table 3 Comparison of difference between the extraction of the dominant structural plane group developed in the mixed rock strata in the chamber engineering area of the +650 m level unloading station and the geological survey results and attitude difference calculated by the calibration algorithm
岩组名称主要岩性岩体结构类型提取间距与地测间距差值/m优势结构面组提取与地测结果差值提取间距与校核算法间距差值/m优势结构面组提取与利用校核算法计算产状差值
第1组第2组第1组第1组第2组第3组
混合岩带花岗岩、角闪岩、大理岩

层状、层

状—碎裂

0.03倾向之差2°,倾角之差6°倾向之差4°,倾角之差2°倾向之差5°,倾角之差6°0.01倾向之差5°,倾角之差6°倾向之差2°,倾角之差3°倾向之差2°,倾角之差5°