摘要
生命线基础设施抗震安全对我国防震减灾与抗震救灾工作具有重要意义,铁路桥梁更是关乎人员转移与物质运输的安全与稳定。基于地震区铁路桥梁震害资料分析和震害调查研究,结合我国铁路桥梁抗震设计工作的经验、教训及相关科研成果,我国陆续出版了3本《铁路工程抗震设计规范》。文章回顾我国铁路桥梁抗震设计规范60年的发展历程,对我国开展铁路桥梁抗震设计工作的历史时期进行划分;通过对比和总结1977、1987、2009年颁布的《铁路工程抗震设计规范》中的铁路桥梁部分,发现该系列规范的发展逐步体现了基于性能的设计理念,场地分类更加精细,地震作用考虑更为科学,且对于铁路桥梁的抗震构造措施有了更加明确的规定。研究可为改进和完善地震区铁路桥梁震害预测方法提供参考依据。
The seismic safety of lifeline infrastructure is of great importance for disaster prevention and mitigation and earthquake relief work in China,as railway bridges are more associated with the safety and stability of personnel transfer and material transportation.Based on the analysis of the seismic data and seismic damage investigation of railway bridges in earthquake areas,combined with practical experience from seismic design of railway bridges in China and relevant scientific research results,three issues of the Code for Seismic Design of Railway Engineering have been successively published in China.This paper reviewed the 60-year development history of codes for seismic design of railway bridges in China and classified the historical periods in which seismic design work for railway bridges has been performed in China.A comparison and summary of the sections regarding railway bridges in the 1977,1987,and 2009 issues of the Code for Seismic Design of Railway Engineering revealed that the code series gradually embodies the concept of performance-based design,with more refined site classification,more scientific consideration of seismic effects,and more explicit provisions for seismic structural measures of railway bridges.Thus,the objective of this study is to offer a reference to improve and refine the methods for predicting seismic damage of railway bridges in seismic zones.
作者
赵才煜
孙柏涛
陈洪富
ZHAO Caiyu;SUN Baitao;CHEN Hongfu(Key Laboratory of Earthquake Engineering and Engineering Vibration of CEA,Institute of Engineering Mechanics,CEA,Harbin 150080,Heilongjiang,China;Key Laboratory of Earthquake Disaster Mitigation,Ministry of Emergency Management,Harbin 150080,Heilongjiang,China)
出处
《地震工程学报》
CSCD
北大核心
2023年第5期1214-1221,共8页
China Earthquake Engineering Journal
基金
中国地震局地震工程与工程振动重点实验室重点专项(2019EEEV0103)
国家自然科学联合基金重点项目(U2239252)
国家重点研发计划课题(2019YFC1509301)。
关键词
铁路桥梁
震害调查
抗震设计规范
设计标准
railway bridge
seismic damage survey
seismic design code
design standard
