钢纤维增强十字形异形柱中节点的抗震性能试验

英文篇名：Experimental research on seismic performance of nodes in cross shaped column with steel fiber
中文刊名：世界地震工程
英文刊名：World Earthquake Engineering
作者：戎贤 ; 康丽华 ; 李艳艳
英文作者：RONG Xian1 ; KANG Lihua2 ; LI Yanyan1(1.School of Civil Engineering ; Hebei University of Technology ; Tianjin 300401 ; China ; 2.College of Civil Engineering and Architecture ; Hebei University of Science and Technology ; Shijiazhuang 050018 ; China)
中文关键词：异形柱节点 ; 低周反复加载 ; 钢纤维 ; 抗震性能
英文关键词：cross shaped column node ; cyclic loading ; steel fiber ; seismic performance
出版日期：2012-06-15
机构：河北工业大学土木工程学院;河北科技大学建筑工程学院;
年：2012
期：02
出版单位：世界地震工程

摘要

针对异形柱节点的薄弱特性,通过在节点处掺加钢纤维,对比了钢纤维增强的异形柱中节点和未掺加钢纤维的普通混凝土异形柱中节点的破坏特征、承载力、延性、滞回性能和刚度退化等抗震性能指标。结果表明:钢纤维增强的异形柱节点试件承载力明显提高,节点核心区破坏程度明显较轻,加载后期,刚度保持效果有明显改善,说明钢纤维可以提高异形柱节点的抗震能力。
In view of the weakness of special-shaped columns node,steel fiber was added in the node.The seismic performance indices,such as failure characteristics,bearing capacity,ductility,hysteretic performance and rigidity degeneration of the node with steel fiber was compred to that without steel fiber.The results indicate that steel fiber-reinforced special-shaped columns node can obviously improve the bearing capacity,node specimens core failure is obviously lighter and the effect of stifiness maintenance is obviously improved i.e.steel fiber can improve the seismic resistance of special-shaped columns node.

引文

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