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 J4  2010, Vol. 44 Issue (10): 1876-1882    DOI: 10.3785/j.issn.1008-973X.2010.10.006
 岩土工程、土木及建筑工程

1. 同济大学 地下建筑与工程系,上海 200092； 2.中铁第四勘察设计院集团有限公司,湖北 武汉 430063
Finite element analysis of steel beam and concretefilled circular column joints bearing capacity
SU Feng1, JIANG Ye2, CAI Yongchang1
1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. China Railway Siyuan Survey and Design Group Limited Company, Wuhan 430063, China
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Abstract:

The mechanical behavior of concretefilled steel tubular column (CFSTC) joint was modeled and analyzed using the finite element software ANSYS. The problems were taken from the substantial structure of a subway station located in Futian, Shenzhen, China. Different types of joints used in the structure, including column capital and transverse beam joint, column footing and downward beam joint, and column and ground floor beam joint, were modeled under various loading conditions namely, bending moment, shear forces and axial forces. Distribution of principal stress, shear stress and deformation of the CFSTC joint as well as its components, including the steel columns, beams, reinforcing ring, pile cap and uplift pile etc, were analyzed and compared with the allowable strengths. Then an improved structural design and reinforcement scheme was proposed.

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SU Feng, JIANG Ye, CA Yong-Chang. Finite element analysis of steel beam and concretefilled circular column joints bearing capacity. J4, 2010, 44(10): 1876-1882.

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