隧道结构变形监测中三维激光扫描技术的应用研究

Research on the Application of 3D Laser Scanning Technology in Tunnel Structural Deformation Monitoring

为提高隧道施工和运营阶段的结构变形监测技术水平,满足日益高要求的信息化、高效率监测要求,文章对三维激光扫描技术在隧道施工和运营期结构变形监测中的应用进行研究,详述了隧道结构变形监测中三维激光扫描所得点云数据的拼接和建模方法,依托实际工程设计验证试验,探究不同空间坐标系转换算法,并对比测量机器人和三维激光扫描技术测量结果,验证了三维激光扫描技术的测量精度能够满足隧道结构变形监测需求。

In order to improve the technical level of structural deformation monitoring in tunnel construction and operation stage,and meet the increasingly high requirements of informatization and high efficiency monitoring,this paper studies the application of 3D laser scanning technology in structural deformation monitoring during tunnel construction and operation period,details the splicing and modeling methods of point cloud data obtained by 3D laser scanning in tunnel structural deformation monitoring,designs verification test based on actual engineering,explores different spatial coordinate system conversion algorithms,and compares the measurement results from measuring robot and 3D laser scanning technology.It is verified that the measurement accuracy of 3D laser scanning technology can meet the needs of tunnel structural deformation monitoring.