Reflective target assembly for monitoring convergence deformation of tunnel and measurement method

The invention discloses a reflective target assembly for monitoring convergence deformation of a tunnel, and belongs to the technical field of tunnel engineering, the reflective target assembly comprises a mounting part, a connecting part and a target part, the main body of the mounting part is of an expansion bolt structure and is used for being embedded and mounted at the rock wall of the tunnel, and the connecting part comprises a connecting rod and movable enclasping parts arranged at the two ends of the connecting rod; the movable clasping parts at the two ends are connected with the mounting part and the target part respectively, and a reflective mark is loaded on the surface of the target part. The invention further discloses a measuring method for monitoring convergence deformation of the tunnel. 本发明公开了一种监测隧洞收敛变形的反光标靶组件，属于隧洞工程技术领域，其包括安装部、连接部和标靶部，所述安装部主体为膨胀螺栓结构，用于嵌入安装至隧洞岩壁处，所述连接部包括连接杆和布置在连接杆两端的活动抱紧部件，两端的活动抱紧部件分别连接安装部和标靶部，所述标靶部的表面载附有反光标识。本发明还公开了了一种一种监测隧洞收敛变形的测量方法。