钢纤维混凝土边节点抗震性能研究  

Experimental Verification of the Behavior of Reinforced Fibrous Exterior BeamColumn Joints Subjected to Seismic Type of Loading

作　　者：俞家欢[1] 王昊楠[1] 贺改先[1] 贾连光[1] 

机构地区：[1]沈阳建筑大学土木工程学院

出　　处：《沈阳建筑大学学报（自然科学版）》2007年第1期20-24,共5页Journal of Shenyang Jianzhu University：Natural Science

基　　金：辽宁省教育厅科学研究青年基金项目(05L365)

摘　　要：目的提高框架结构梁柱(钢纤维混凝土-钢筋)节点的延性并掌握其损伤、破坏的发生和发展情况.方法进行足尺寸试件在低周期反复载荷作用下边节点的力学性能的试验分析.结果根据试验结果得到强度、损伤以及能量分布规律,对节点破坏机理、破坏过程和破坏因素有更进一步的了解.结论节点中加入钢纤维混凝土和减少箍筋间距可以增加其延性和强度,提高结构的抗震性能.In order to improve the ductile behavior of reinforced fibrous exterior beam- column joints and evaluate the development of damage and fracture, the research of full - scale specimen under low cyclic loading is carried out. The strength, damage performance and energy distribution are obtained according to the experimental result. Also the fracture mechanism and procedure are further explored. It is shown that the utilization of fiber reinforced concrete and optimization of the density of stir- up can enhance both the ductility and strength of the joint.

关 键 词：纤维混凝土 能量分布 梁柱节点 周期反复载荷 

分 类 号：TU672.2[建筑科学—建筑技术科学]