建筑结构

2010, v.40;No.316(04) 80-82+106

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低周反复荷载下方钢管高强混凝土柱受力性能分析
Mechanical behavior analyses of high strength concrete-filled square steel tube columns under the low cyclic load

高春彦;李斌;刘之峰;
Gao Chunyan~1,Li Bin~1,Liu Zhifeng~(2)(1 Architectural Engineering Institute,Inner Mongolia Scientific and Technical University,Baotou 014010,China;2 Design and Research Institute of Baotou Steel(Group) Corp.,Baotou 014010,China)

摘要(Abstract):

以轴压比、含钢率和长细比为参数,进行了8根方钢管高强混凝土柱的低周反复荷载试验,研究分析了该类构件的滞回曲线、延性、刚度退化、耗能能力、破坏机理和破坏特征;并与型钢高强混凝土柱的受力性能进行了比较分析。研究表明,方钢管高强混凝土柱在施工、受力等方面都有较大的优越性,有进一步研究和推广应用的价值。
Through the low cyclic load test of eight high strength concrete-filled square steel tubular columns,considering the effect of the axial compression ratio,steel ratio and slenderness ratio,the hysteretic curve,ductility,degradation of stiffness,energy dissipation capacity,failure mechanism and characteristics of the specimens were researched.The comparison analyses were carried on between the high strength concrete-filled square steel tubular columns and steel reinforced high-strength concrete columns.The study indicates that high strength concrete-filled square steel tubular columns have larger superiority in construction and mechanics aspects,and have the value of further research and popularization and application.

关键词(KeyWords): 方钢管高强混凝土柱;力学性能;延性;耗能能力
high strength concrete-filled square steel tubular column;mechanical behavior;ductility;energy dissipation capacity

Abstract:

Keywords:

基金项目(Foundation): 内蒙古自然科学基金资助(200711020701);; 包头市科技攻关项目(2006z1004);; 内蒙古教育厅资助(NJ06141)

作者(Author): 高春彦;李斌;刘之峰;
Gao Chunyan~1,Li Bin~1,Liu Zhifeng~(2)(1 Architectural Engineering Institute,Inner Mongolia Scientific and Technical University,Baotou 014010,China;2 Design and Research Institute of Baotou Steel(Group) Corp.,Baotou 014010,China)

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DOI: 10.19701/j.jzjg.2010.04.022

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