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EXPERIMENTAL INVESTIGATION ON CYCLIC PERFORMANCE OF CFST COLUMN-RC BEAM JOINTS ENCLOSED BY REBARS
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摘要: 通过8个钢管混凝土(CFST)柱-钢筋混凝土(RC)梁钢筋环绕式节点在低周往复荷载作用下的试验,对其在不同轴压比下的开裂破坏模态、滞回特征、剪切变形、钢筋和钢牛腿变形、延性和耗能性能等进行系统研究。试验结果表明,试验节点的破坏模态均为核心区剪切破坏,圆钢管混凝土柱节点较方钢管混凝土柱节点的滞回曲线饱满,但均能满足现行规范的抗震设计要求。Abstract: Tests on eight concrete filled steel tubular(CFST) column-reinforced concrete (RC) beam joints enclosed by rebars under reversed loading were carried out.The failure patterns,hysteretic characteristics,shear transformation,rebar and steel bracket deformations,ductility and energy dissipation under different axial load levels for joints with circular or square columns are discussed in details.The results indicated that all the joints failed in shear failure pattern.Generally,the hysteretic curves for joints with circular columns were plumper than those with square columns,and the seismic performance of all joints can satisfy current Chinese seismic code requirements.
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韩林海.钢管混凝土结构.北京:科学出版社,2000 [2] 钟善桐.高层钢管混凝土结构.哈尔滨:黑龙江科学技术出版社,1999 [3] 方小丹,李少云,钱稼茹,等.钢管混凝土柱-环梁节点抗震性能的试验研究.建筑结构学报,2002(6):10-18 [4] 陈洪涛,吴时适,肖永福,等.钢管混凝土框架钢筋贯通式刚性节点的实验研究.哈尔滨建筑大学学报,1999(2):21-25 [5] DBJ 13-51-2003 钢管混凝土结构技术规程 [6] 吕西林,李学平.方钢管混凝土柱外置式环梁节点的试验及设计方法研究.建筑结构学报,2003(1):7-13 [7] 霍静思.火灾作用后钢管混凝土柱-钢梁节点力学性能研究:[博士学位论文].福州:福州大学,2005 [8] ATC-24.Guidelines for Cyclic Seismic Testing of Components of Steel Structures.Redwood City (CA):Applied Technology Council,1992 [9] GB 50010-2002 混凝土结构设计规范 [10] 傅剑平,白绍良,王峥,等.考虑轴压比影响的钢筋混凝土框架内节点抗震性能试验研究.重庆建筑大学学报,2000(5):60-66 [11] 朱伯龙,张琨联.建筑结构抗震设计原理.上海:同济大学出版社,1994 [12] 唐九如.钢筋混凝土框架节点抗震.南京:东南大学出版社,1989 [13] 中国建筑科学研究院.混凝土结构研究报告选集(3).北京:中国建筑工业出版社,1994 [14] 周起敬,姜维山,潘泰华,等.钢与混凝土组合结构设计施工手册.北京:中国建筑工业出版社,1991 [15] GB 50011-2001 建筑抗震设计规范 -
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