福州滨海快线高精度控制网的建立及精度分析

Construction and Accuracy Analysis on the High-accuracy Control Network of Fuzhou Binhai Express Line

福州滨海快线线路长、地质条件复杂,与多条轨道交通线路衔接换乘,根据其特点及实际情况,本文建立了平面和高程控制网,并对测量精度进行了分析,解算结果的各项精度指标均满足相关规范要求,可以作为福州滨海快线建设的基础数据,并总结了平高控制网测量的技术要点,对轨道交通控制网测量布设具有一定的参考作用。

The Fuzhou Binhai Express Line is long,has complicated geological conditions,and connects and transfers with multiple rail transit lines.According to its characteristics and actual conditions,the horizontal and vertical control network is established,and the measurement accuracy is analyzed,the accuracy indexes meet the relevant specifications,which can be the basis of the construction of Fuzhou Binhai Express Line.Based on the horizontal and vertical control network,the key technique requirements and some useful suggestions are put forward for the control surveying of planning urban rail transit lines.