近年来,随着三维激光扫描技术的发展,该技术被广泛地应用于工程建设中。与传统变形监测技术相比较,该技术具有精度高、实时性好、智能化和自动化程度高的特点,从而使监测工作更加全面、有效。本文综述了三维激光扫描技术在桥梁变形监测方面的应用现状,通过与传统变形监测方法相比较,分析出其技术优势,以及该技术在分析变形时常用的方法及原理,最后对三维激光扫描技术应用于桥梁变形监测中的优势做了简要分析。 In recent years, with the development of 3D laser scanning technology, the technology is widely used in engineering construction. Compared with the traditional deformation monitoring technology, the technology has the characteristics of high precision, good real-time, high intelligence and high automation, so that the monitoring work is more comprehensive and effective. This paper summarizes the application status of 3D laser scanning technology in bridge deformation monitoring. Compared with traditional deformation monitoring methods, the advantages of 3D laser scanning technology are analyzed, and the commonly used methods and principles of the technique are analyzed. Finally, the 3D laser scanning technology The advantages of bridge deformation monitoring are briefly analyzed.