摘要
在综述国内外超千米跨度悬索桥应用现状的基础上,针对铁路荷载大、列车运行速度高、结构振动强烈和轨面平顺性要求严的特点,系统阐述千米跨度铁路悬索桥建造关键技术、技术难点及其在我国高速铁路中的应用和发展,提出今后需进一步深入研究的方向,为类似工程建造提供技术参数和工程实例。
On the basis of summarizing the application status of over kilometers span suspension bridges at home and abroad, aiming at the characteristics of heavy railway load, high train speed, strong structural vibration and strict requirements for rail surface smoothness, this paper systematically expounds the key technologies, technical difficulties and their application and development in China’s HSR construction of over kilometers-span railway suspension bridges. The direction of further research in the future is put forward to provide technical parameters and engineering examples for similar projects.
作者
李迎九
LI Yingjiu(China State Railway Group Co Ltd,Beijing 100844,China)
出处
《中国铁路》
2019年第9期1-8,共8页
China Railway
基金
中国铁路总公司科技研究开发计划项目(K2018G055)
关键词
高速铁路
悬索桥
五峰山长江大桥
结构刚度
受力构件
大跨度
HSR
suspension bridge
Wufengshan Yangtze River Bridge
structural rigidity
stress component
long-span
