摘要
文章从工程规模、建造数量及技术水平等方面系统总结了当前我国铁路桥梁建造技术发展现状;回顾了"十三五"期间我国在重大铁路桥梁工程建设、铁路桥梁创新技术成果及铁路桥梁标准等方面的技术成就;总结了当前大跨度铁路桥梁在轨道长波不平顺及梁端伸缩变形方面存在的技术问题及对策;展望了“十四五”时期在深水大跨桥梁及艰险山区桥梁方面的重点建设任务以及面临的技术创新需求;探讨了铁路桥梁建造技术的进一步发展方向。
This paper systematically summarizes the current development status of railway bridge construction technology in China from the aspects of project scale, construction quantity and technical level, and the current technical problems and countermeasures of long-span railway bridges in long-wave track irregularity and expansion deformation at girder ends, reviews the technical achievements in China in major railway bridge construction, railway bridge innovation and railway bridge standards during the 13 th Five-Year Plan period, presents the key construction tasks and technological innovation needs of deep-water long-span bridges and bridges in dangerous mountainous areas during the 14 th Five-Year Plan period, and discusses the further development direction of railway bridge construction technology.
作者
陈良江
阎武通
CHEN Liangjiang;YAN Wutong(China Railway,Beijing 100844,China;China Railway Economic and Planning Research Institute,Beijing 100038,China)
出处
《高速铁路技术》
2022年第4期1-7,共7页
High Speed Railway Technology
基金
中国国家铁路集团有限公司重大课题(K2020G030)
中国国家铁路集团有限公司重点课题(N2021G034)。
关键词
铁路桥梁
大跨度
轨道不平顺
梁端伸缩变形
深水大跨桥梁
艰险山区桥梁
railway bridge
long span
track irregularity
expansion deformation at girder ends
deep-water long-span bridge
bridge in dangerous mountainous area
