通过局内典型上跨桥事故分析,就萧甬线上跨铁路桥现状及存在隐患,根据安全管理难度提出相应对策,并对上跨桥下供电设备应急抢修方案进行探讨。 Based on the analysis of the typical accident on the bridge across the board, the paper presents the current situation and hidden danger of the cross-bridge on-site in Xiao-Yong line, and proposes corresponding countermeasures according to the difficulty of safety management. The emergency repair plan of power supply equipment under the bridge is discussed.