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单跨框架抗震加固方法及其抗震性能研究
Aseismic Strengthening Methods and Its Performance Study of Single Span Frame
【摘要】 采用《"建筑结构抗震性能指标评估"研究计划》(ATC-63)建议的地震波库,对单跨框架结构、框剪结构和双跨框架结构进行逐步增量时程分析(IDA),研究对单跨框架的两种加固方法的实际效果。分析表明,单跨框架改成框剪结构或双跨框架结构后,各项抗震性能指标均得到提高,由于其增设了多道抗震防线,在大震作用下表现出良好的耗能及抗震性能。
【Abstract】 Using seismic waves recommended by ATC-63,gradually Incremental Dynamic Analysis(IDA) for single span frame structure,frame shear structure and double span frame structure was made to study the effect of two kinds of strengthening methods for single span frame.The analysis result shows that the seismic performance indicators are improved when single span is changed to frame shear structure or double span frame structure.The multichannel seismic lines added shows good energy dissipation and seismic performance under major earthquakes.
【关键词】 单、双跨框架;
加固;
框剪结构;
逐步增量时程分析法;
抗倒塌能力;
【Key words】 Single and double span frame; Reinforce ment; Frame shear structure; Incremental; Dynamic Analysis; Collapse resistance;
【Key words】 Single and double span frame; Reinforce ment; Frame shear structure; Incremental; Dynamic Analysis; Collapse resistance;
- 【文献出处】 特种结构 ,Special Structures , 编辑部邮箱 ,2013年03期
- 【分类号】TU352.11
- 【下载频次】64