为了适应运输市场发展需要，增强铁路在运输市场的竞争力，铁路近年来不断扩大开行快速旅客列车，工务桥隧工作面临新的挑战和机遇。我局针对快速列车开行后桥隧设备状态的变化情况，依靠科技进步，进行技术攻关，研究解决设备病害，并进行养护维修制度改革，确保桥隧设备质量 In order to meet the needs of the development of the transport market and enhance the competitiveness of the railways in the transport market, the railway has been expanding the number of fast passenger trains it opens in recent years. The bridge and tunnel works are facing new challenges and opportunities. In response to changes in the state of bridge and tunnel equipment after the rapid trains are opened, our bureau conducted technological breakthroughs, studied and solved equipment diseases, and reformed the maintenance and repair system to ensure the quality of the bridge and tunnel equipment