摘要
该文收集了汶川、芦山、鲁甸地震极震区的强震地面运动记录,并简要介绍了鲁甸地震的震害情况。以6组二维钢筋混凝土框架结构和1组三维钢筋混凝土框架为例,对比了这些地面运动对不同结构的破坏作用。分析结果表明,汶川地震极震区的地面运动破坏力最强,鲁甸地震次之,而芦山地震极震区的地面运动破坏力则明显较小。基于上述对比,对我国的地震应急响应依据、宏观烈度评定、地震动强度指标及工程抗震研究提出一些讨论和建议。
In this work the ground motions recorded in the hardest-hit Regions of Wenchuan, Lushan and Ludian Earthquakes are collected. The seismic damage of Ludian Earthquake is briefly introduced. Six two-dimensional reinforced concrete(RC) frames and one three-dimensional RC frame are taken as examples to compare the destructive power of the ground motions. The analysis results show that the ground motion of Wenchuan Earthquake is the most destructive, followed closely by Ludian Earthquake, while that of Lushan Earthquake is the least destructive. Based on the above results, discussions and suggestions are presented on the important related issues, such as the emergency response of earthquake, evaluation of seismic intensity degrees, seismic intensity measures and structural seismic designs.
出处
《工程力学》
EI
CSCD
北大核心
2014年第10期1-7,20,共8页
Engineering Mechanics
基金
国家科技支撑计划课题项目(2013BAJ08B02)
国家自然科学基金项目(51222804
51178249
51378299)
关键词
汶川地震
芦山地震
鲁甸地震
地面运动
倒塌
Wenchuan earthquake
Lushan earthquake
Ludian earthquake
ground motion
collapse
