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Title: Numerical simulations of ultra-lightweight steel-concrete-steel sandwich composite panels subjected to impact
Authors: Lee, S.C. 
Sohel, K.M.A. 
Liew, J.Y.R. 
Keywords: Drop-weight
FE simulation
J-hook shear connectors
Low velocity impact
Sandwich composite panel
Ultra-lightweight concrete
Issue Date: 2008
Citation: Lee, S.C.,Sohel, K.M.A.,Liew, J.Y.R. (2008). Numerical simulations of ultra-lightweight steel-concrete-steel sandwich composite panels subjected to impact. Civil-Comp Proceedings 88 : -. ScholarBank@NUS Repository.
Abstract: This paper presents a simplified three-dimensional Finite Element (FE) model of steel-ultra-lightweight-concrete-steel (SLCS) sandwich composite panel with novel J-hook shear connectors. The FE model was applied in the present study to simulate the response of SLCS sandwich panels subjected to 1.2 ton drop-weight impact. Comparison with impact test data shows that the simplified FE model is able to describe the permanent deformation and displacement time-history of the sandwich panels with reasonable accuracy. In the FE simulation, it was observed that all Jhook connectors were under tension during impact except for the connectors positioned directly below the projectile. This signifies the role of the connectors in preventing separation of steel plates and maintaining the integrity of the sandwich system under impact loading. © Civil-Comp Press, 2008.
Source Title: Civil-Comp Proceedings
ISBN: 9781905088232
Appears in Collections:Staff Publications

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