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期刊论文

Mechanics of Columns Composed of Structural steel and Concrete-filled Steel Tube

何益斌By He Yibin Liu Huihong Liu Xingyan and Chang Yonghong

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摘要/描述

A new type of composite column, i. e. structural steel and concrete-filled steel tube (SCFT), was proposed. In the composite column, structural steel was embedded in concrete-filled steel tube (CFT). The mechanics of the composite columns were analyzed, including stresses, strains of concrete, steel tube and structural steel, and buckling of steel tube. The results show that the column has higher bearing capacity and excellent ductility. The ultimate bearing capacity and ductility of the column decrease with the increase of slenderness ratio. The strength of concrete depends on extremely the thickness of steel tube and sizes of structural steel. The distribution of strength of concrete varies with position in cross section even at the same load. Based on above analysis, formulas for predicting the strength of concrete and ultimate bearing capacity of the composite columns are suggested.

【免责声明】以下全部内容由[何益斌]上传于[2005年05月19日 23时23分11秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。

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