High-performance steel structures for buildings

被引:0
|
作者
Li, G. Q. [1 ]
Jin, H. J. [2 ]
Wang, H. J. [2 ]
Pang, M. D. [2 ]
机构
[1] Tongji Univ, State Key Lab Disaster Reduct Civil Engn, Shanghai, Peoples R China
[2] Tongji Univ, Coll Civil Engn, Shanghai, Peoples R China
关键词
D O I
暂无
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
High-performance steel structures for buildings are defined as high capacity to support gravity and wind, high ductility to resist earthquakes and low steel consumption. Thus, high-strength steel is recommended. However, the ductility of high-strength steel cannot satisfy the ductility requirements of structural steel specified in the current codes for buildings in seismic zones. Several configurations of high-performance steel structures with high ductility are proposed. High-strength steel can be used for columns in the steel frameworks with simple or semi-rigid beam-to-column connections. The yielding of columns is prevented from limiting the moment transfer from beams. So the ductility of high-performance steel structures employing high-strength steel is guaranteed. To enhance lateral stiffness and ductility of steel frameworks with simple or semi-rigid connections, buckling-restrained braces or shear walls are inserted. The coupled shear walls using high-ductility steel link beams or steel link walls are also proposed for lateral supporting structures for high-performance steel structures. The high performance of the steel structures proposed is demonstrated with typical examples.
引用
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页码:3 / 11
页数:9
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