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A platform for research: civil engineering, architecture and urbanism
Analysis of Circular Concrete-Filled Steel Tube Specimen under Lateral Impact
This paper mainly discusses the derivation and usage of simplified analysis model of circular concrete-filled steel tube specimen under lateral impact. At first, the robust software, LS-DYNA, is employed in this paper to simulate a test of circular concrete-filled steel tube (CFT) specimen under drop impact carried out by Li (2007). The numerical simulations results agree well with the experiment results and it shows good prediction of dynamic response of the CFT specimen under lateral impact could be achieved. Further analysis based on LS-DYNA model is then made to investigate the stain rate effect of the CFT column with fixed-simple supported ends. At last, a simplified analytic model is derived based on the combination of the tests results, the numerical simulation and theoretical analysis. The comparison between the maximum deflections at the mid-span obtained from the proposed simple analytical model and the numerical simulation shows that the proposed method gives good predictions of the maximum deflection of the CFT specimen under lateral impact.
Analysis of Circular Concrete-Filled Steel Tube Specimen under Lateral Impact
This paper mainly discusses the derivation and usage of simplified analysis model of circular concrete-filled steel tube specimen under lateral impact. At first, the robust software, LS-DYNA, is employed in this paper to simulate a test of circular concrete-filled steel tube (CFT) specimen under drop impact carried out by Li (2007). The numerical simulations results agree well with the experiment results and it shows good prediction of dynamic response of the CFT specimen under lateral impact could be achieved. Further analysis based on LS-DYNA model is then made to investigate the stain rate effect of the CFT column with fixed-simple supported ends. At last, a simplified analytic model is derived based on the combination of the tests results, the numerical simulation and theoretical analysis. The comparison between the maximum deflections at the mid-span obtained from the proposed simple analytical model and the numerical simulation shows that the proposed method gives good predictions of the maximum deflection of the CFT specimen under lateral impact.
Analysis of Circular Concrete-Filled Steel Tube Specimen under Lateral Impact
Qu, Haiyan (author) / Li, Guoqiang (author) / Chen, Suwen (author) / Sun, Jianyun (author) / Sozen, Mete. A. (author)
Advances in Structural Engineering ; 14 ; 941-951
2011-10-01
11 pages
Article (Journal)
Electronic Resource
English
Analysis of Circular Concrete-Filled Steel Tube Specimen under Lateral Impact
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