基于数码摄影技术的隧道围岩变形非接触量测方法研究

基于数码摄影技术的隧道围岩变形非接触量测法是一种与传统测量完全不同的新方法,具有设备简单、不干扰施工、自动化程度高等特点,能更好地满足现在长大隧道各种技术要求。文章对数码摄影测量技术原理及其实现过程进行了比较全面的研究,并对现场试验获取的测量数据加以分析,得到了较好的结论。该方法为地下工程量测技术开辟了一条新的途径。

Study on the non-contact measurement of tunnel surrounding rock deformation based on digital photogrammetry

Non-contact measurement of tunnel surrounding rock deformation based on digital photogrammetry is a new approach as contrasted to traditional ones.It possesses the advantages of simple equipments,no disturbance to construction,high automatization and can meet the demands of all kinds of technologies for long tunnels.This paper comprehensively studied the principles and the implementation of digital photogrammetry technology and analyzed measured data acquired from practice with good conclusions.Consequently,this measurement technology has opened a new approach of monitoring in underground engineering.