桥梁横向刚度 meaning in English

lateral rigidity of bridge

Since the implementation of train speed - lifting program of railway department , both car and bridge dynamic function to the train running on the bridge has become a more important issue , in particular because of the insufficient strength and rigidity of part of bridge ' s horizontal structure , the horizontal vibration has topped the main obstacle to speed - lifting when rustling train passing the bridge
随着铁道部提速战略的实施，车桥动力作用对桥上运行列车的影响已越来越受到人门的重视，特别是由于部分桥梁横向刚度不足使列车高速通过时桥梁结构横向振动幅度超标已成为列车提速的主要障碍。