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Dynamic simulation of CFRP strengthened steel column under impact loading

By Iftekharul Alam, Sabrina Fawzia, Xuemei Liu and C R J Batuwitage

Abstract

Carbon fibre reinforced polymer (CFRP) strengthening of metallic structures under static loading has shown great potential in the recent years. However, steel structures are often experienced natural (e.g. earthquake, wind) as well as man-made (e.g. vehicular impact, blast) dynamic loading. Therefore, there is a growing interest among the researchers to investigate the capability of CFRP strengthened members under such dynamic conditions. This study focuses on the finite element (FE) numerical modelling and simulation of CFRP strengthened steel column under transverse impact loading to predict the behaviour and failure modes. Impact simulation process and the CFRP strengthened steel column are validated with the existing experimental results in literature. The validated FE model of CFRP strengthened steel column is then further used to investigate the effects of transverse impact loading on its structural performance. The results are presented in terms of transverse impact force, lateral and axial displacement, and deformed shape to evaluate the effectiveness of CFRP strengthening technique. Comparisons between the bare steel and CFRP strengthened steel columns clearly indicate the performance enhancement of strengthened column under transverse impact loading

Topics: CFRP, impact loading, finite element analysis, steel column, model validation, Construction Engineering and Management, Environmental Engineering, Structural Engineering
Publisher: ePublications@SCU
Year: 2014
OAI identifier: oai:epubs.scu.edu.au:acmsm23-1086
Provided by: ePublications@SCU
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