轨道精密三维测控新技术的研究与应用

介绍城市轨道交通领域的轨道三维测控新技术,通过在地下控制测量中研究并应用自由测站三维边角测量新技术,实现控制点在施工与运营维护中的长久保存和使用,可显著提高地铁控制网的精度;在城市轨道交通中提出并应用轨道几何状态测量仪进行轨道精密测量,实现城市轨道测量的自动化与程序化,可提高轨道的初始平顺性;研究轨道基础控制网的测量与三维数据处理技术,并研发出自由测站三维边角网的数据采集与处理软件,可实现数据采集与处理的一体化,能够有效提高轨道测控的相对和绝对精度以及平顺性,具有较好的推广应用价值。

Research and Application of Track 3D Precision Measurement and Control New Technology in Urban Rail Transit

This paper introduces the new technology of track 3D precision measurement and control in urban rail transit, based on the measurement and control of underground application of free station side angle 3D measurement technique, the control points in the maintenance of long-term preservation and use of construction and operation, improves the accuracy of the subway control network; rail transport in the city put forward and track precision measurement application of track geometric status measuring instrument, the city rail automatic measurement and procedure, improve the smoothness of the initial orbit; on the track measurement and control network based 3D data processing technology, and developed a three-dimensional free station side angle network data acquisition and processing software, to achieve the integration of data acquisition and processing. This technology can effectively improve the relative accuracy, absolute accuracy and smoothness of urban rail, and has good popularization and application value.