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高速铁路桥梁减震技术研究
Study on the shock absorbing technique of high speed railway bridges
【摘要】 结合高速铁路桥梁抗震设计的需要,提出支座功能分离的设计理念,利用减震榫的塑性变形能力实现桥梁减震目的,建立了以材料应力、应变性能与抗震设防目标匹配的设计准则,并分析了高速铁路简支箱梁桥采用减震榫后的减震效果。
【Abstract】 Based on the idea of bearing function separation,a structural member called shock absorber that makes use of its plastic deformation,is presented for reducing the seismic response of the bridge.The design criterion,for matching material stress,strain and earthquake fortification aim,is also given.The analysis results show that the high speed railway box girder with the absorber in this paper has great reduction of seismic response of the bridge piers.
【关键词】 高速铁路桥梁;
减震设计;
支座功能分离;
材料性能准则;
减震榫;
【Key words】 high speed railway bridge; aseismatic design; bearing function separation; material property criterion; shock absorber;
【Key words】 high speed railway bridge; aseismatic design; bearing function separation; material property criterion; shock absorber;
- 【文献出处】 中国工程科学 ,Engineering Sciences , 编辑部邮箱 ,2009年01期
- 【分类号】U442.55
- 【被引频次】35
- 【下载频次】808