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高轴压比下密置焊接环式高强复合箍筋约束高强混凝土柱恢复力模型研究

DOI: 10.13197/j.eeev.2014.06.188.lisc.024, PP. 188-197

Keywords: 高轴压比,焊接环式高强复合箍筋约束高强混凝土柱,配箍率,箍筋形式,恢复力模型

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Abstract:

通过对不同轴压比、体积配箍率和箍筋形式的9个焊接环式高强复合箍筋约束高强混凝土柱的1/2模型试件和1个对比试件的抗震性能试验研究,分析了轴压比、配箍率、箍筋形式等因素对试件滞回曲线、骨架曲线、刚度、强度及延性等的影响,并建立了试件的弹塑性恢复力模型.试验结果表明随着高轴压比的提高,其耗能性能降低,骨架曲线的下降段较陡;随着配箍率的减小,其耗能性能降低,骨架曲线下降段的斜率变大;对照对比试件,焊接环式复合高强箍筋比普通复合高强箍筋的约束效果好,且耗能大,延性性能好.建议的骨架曲线恢复力模型与试验骨架曲线吻合较好,可为高轴压比下由焊接环式高强复合箍筋约束高强混凝土柱组成的框架结构的弹塑性反应分析提供参考依据.

References

[1]  Atorod Azizinamini, Sharon S. Baum Kuska, et al. Seismic behaviors of square high-strength concrete columns[J]. ACI Journal Structural,1994,91(3):336-345.
[2]  Yan Xiao, Henry W. Yun. Experiment studies on full scale high-strength concrete columns[J]. ACI Structural Journal, 2002, 99(2): 199-207.
[3]  Frdric Lgeron, Patrick Paultre. Behavior of high-strength concrete column under cyclic flexure and constant axial load[J]. ACI Structural Journal, 2000,97(4): 591-601.
[4]  Patrick Paultre, Frdric Lgeron, Daniel Mongeau. Influence of concrete strength and transverse reinforcement yield on behavior of high-strength concrete columns[J]. ACI Structural Journal, 2001,98(4):490-501.
[5]  孙治国,司炳君,王东升,等.高强箍筋高强混凝土柱抗震性能研究[J].工程力学,2010,27(5):128-136. SUN Zhiguo, SI Bingjun, WANG Dongsheng.Research on the seismic performance of high strength of high strength concrete columns with high strength stirrups[J]. Engineering Mechanics, 2010,27(5):128-136.(in Chinese)
[6]  罗小庆.焊接环式复合箍筋约束高强混凝土柱抗震性能试验研究[D].泉州:华侨大学,2010. LUO Xiaoqing. Test study on seismic behavior of high strength concrete columns confined by butt-welded closed composite stirrups[D]. Quanzhou: Huaqiao University, 2010.(in Chinese)
[7]  史庆轩,杨 坤.高强箍筋约束高强混凝土柱抗震性能试验研究[J].土木工程学报,2011.44(12):9-17. Shi Qingxuan, Yang Kun. Experiments on seismic behavior of high strength concrete columns confined with high strength stirrups[J].China Civil Engineering Journal, 2011.44(12):9-17.(in Chinese)
[8]  章 炯.焊接环式复合箍筋约束高强混凝土柱抗震性能分析[D].泉州:华侨大学,2010. ZHANG Jiong.Analysis on seismic behavior of high strength concrete columns confined by butt-welded closed composite stirrups[D]. Quanzhou: Huaqiao University,2010.(in Chinese)
[9]  王 平.肖凯成.混凝土构件延性评价方法研究[J].山西建筑,2011.37(10):42-44. WANG Ping. XIAO Kaicheng. Research on evaluation methods of ductility of concrete components[J]. Shanxi Architecture, 2011.37(10):42-44.(in Chinese)
[10]  苏小卒.预应力混凝土框架抗震性能研究[M].上海:上海科学技术出版社,1998. SU Xiaozu. On the seismic performance of prestressed concrete frame[M]. Shanghai: Shanghai Scientific and Technical Press,1998.(in Chinese)

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