高速铁路轨道精调若干技术问题探讨

Discussion on Several Technical Problems on Accurate Track Adjustment of High-speed Railway

轨道几何平顺性是指导高速铁路轨道精调作业的重要依据,是高速铁路建设过程中关键控制指标,也是列车安全运行的重要指标。对高速铁路轨道几何平顺性的计算方法进行了改进,根据平顺性精度需求提出了适用于高速铁路轨道精调全站仪等级,确定了轨道精调有效测量距离和轨道几何平顺性施工控制指标。

Track geometrical smoothness is the important basis for guiding accurate track adjustment of high-speed railway,the key control index during construction of high-speed railway,and also the important indicator for safe operation of trains.The calculation method of track geometrical smoothness of high-speed railway is improved.Electronic total station applicable for accurate track adjustment of high-speed railway is put forward according to the accuracy of smoothness.Finally,the effective measuring distance for accurate track adjustment and construction control indicators of track geometrical smoothness are determined.