第39寒第2期 2017年4月
土木建筑与环境工程
Journal of Civil,Architectural &Environmental Engineering
doi:10.11835/j.issn,1674-4764.2017.02.019
配置600MPa级高强钢筋T形柱
抗震性能试验研究
戎贤，段微微，王浩
（河北工业大学土木与交通学院，天津300401）
Vol. 39 No. 2 Apr.2017
摘要：600MPa级钢筋是一种新型高强度钢筋，为研究该钢筋应用于异形柱结构体系的可行性，对7根不同轴压比、体积配箍率和钢筋强度的混疑土T形柱试件进行低周往复荷载试验，分别对其承载力、位移、滞回曲线、骨架曲线、则度退化和耗能性能进行研究，综合评估其抗震性能。研究结果表明：配置600MPa级钢筋的混数土T形柱具有良好的变形能力和承载能力，提高配箍率能有效提高试件的抗震性能，提高轴压比可以提高试件的承载力，但降低其变形能力。随着钢筋强度的提高，试件的承载力显著提高。
关键调：T形柱；600MPa级钢筋；抗震性能；低周反复荷载
中图分类号：TU375.3
文献标志码：A
文章编号：1674-4764(2017)02-0148-07
Experimental analysis of seismicbehaviorof 6ooMPaRC T-shaped columns
Rong Xian,Duan Weiwei,Wang Hao
(School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, P, R. China)
Abstract:6oo MPa steel bar was a new type of high-strength reinforcing bar. Seven T-shaped column specimens varying in stirrup ratios, axial compression ratios and steel strength were tested under low cyclic loading to investigate the feasibility of using this type of reinforcement in specially shaped column. Behaviors in bearing capacity, displacement, hysteretic behavior, skeleton characteristic, rigidity degradation and energy dissipation were investigated to analysis the seismic performance of columns. The results showed that 6oo MPa RC T-shaped columns had favorable deformation capacity and bearing capacity. Improving stirrup ratios could effectively improve the seismic performance. With the increase of axial compression ratios, the bearing capacity of columns was bigger, but the deformation capacity deteriorated. With the improvement of the strength of steel, bearing capacity, deformation capacity significantly increased.
Keywords: T-shaped column; 60o MPa; Seismic behavior; Low cyclic loading
异形柱结构体系具有减少结构自重、节约材料、增大使用面积等优点[1-3，广泛应用于中国各地，对
异形柱框架及节点的试验研究[4-6]表明，异形柱构件是整个结构体系抗震性能的关键部位，而T形柱由
收稿日期：2016-08-25
基金项目：河北省自然科学基金（E2015202035)；河北省建设科学技术研究计划(2014一122）
作者简介：戎贤（1965-），男，教授，博士生导师，主要从事结构抗震研究，（E-mail）xrong516@126.com Received;2016-08-25
Foundation item; Natural Science Foundation of Hebei Province(No, E2015202035); Construction Science and Technology
Research of Hebei Province( 2014-122)
Author brief; Rong Xian (1965-), professor, doctoral supervisor, main research interest: aseismic structures, (E-mail)
xrong516@126. com.
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