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随着公路建设事业的持续发展,既有公路改扩建项目越来越多,各种先进的测量方法均在改扩建项目中得到应用,LiDAR激光扫描技术也广泛应用到公路勘测的各个阶段。本文主要介绍了在平均海拔4000m的西藏那曲地区,将车载激光扫描技术应用到G317线改扩建项目中。本项目是车载激光扫描技术首次用于高海拔地区,在项目实施过程中取得了丰富的实验数据和经验,为车载激光技术在公路方面的推广应用起到了重要的作用。
With the continuous development of highway construction, there are more and more road reconstruction and expansion projects and various advanced measurement methods have been applied in the reconstruction and expansion project. LiDAR laser scanning technology is also widely used in all stages of highway survey. This article mainly introduces the application of on-board laser scanning technology to G317 line reconstruction and expansion project in Nagqu, Tibet with an average altitude of 4000m. This project is the first time that vehicle laser scanning technology is used in high altitude areas. It has acquired rich experimental data and experience during the project implementation and played an important role in the promotion and application of vehicle laser technology in the highway.