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Type: Conference paper
Title: Numerical modelling of concrete-filled double skin steel tubular/square columns under blast loading
Author: Zhang, F.
Wu, C.
Zhao, X.
Li, Z.
Heidarpour, A.
Wang, H.
Citation: Proceedings of the 10th International Conference on Shock and Impact Loads on Structures, 2013 / T. S. Lok, K. L. CARPER (eds.): pp.503-512
Publisher: CI-Premier pte ltd
Publisher Place: Singapore
Issue Date: 2013
ISBN: 9789810760694
ISSN: 0887-3828
Conference Name: International Conference on Shock and Impact Loads on Structures (10th : 2013 : Singapore)
Statement of
Fangrui Zhangi, Chengqing Wu, Xiao-Ling Zhao, Zhong-Xian Li, Amin Heidarpour and Hongwei Wang
Abstract: Concrete-filled double skin steel tubes (CFDST) have widely been used in constructing high-rise buildings, arch bridges and factories. Much research has been done to study its behaviour under axial compression. However, limited information can be found on its performance under lateral impact loading, especially under blast loading. In this paper, numerical models are developed for CFDST with two different cross sections: one is with CHS (circular hollow section) outer and CHS (circular hollow section) inner, and the other one is with SHS (square hollow section) outer and SHS (square hollow section) inner. Conventional concrete is filled in double skin steel tubes. Different blast loadings are applied on the surface of these columns for dynamic analysis. In addition, different axial loads are also applied on the columns to simUlate the combined load condition. The displacement-time history obtained from each simulation is recorded and then compared. The key factors that determine the performance of CFDST columns under blast loading are discussed.
Keywords: CFDST; Blast Load
Rights: Copyright status unknown
RMID: 0020135947
DOI: 10.1061/(ASCE)CF.1943-5509.0000749
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Appears in Collections:Civil and Environmental Engineering publications

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