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Title: Finite element modeling of hybrid-fiber ECC targets subjected to impact and blast
Keywords: Finite element modeling, hybrid-fiber ECC, strain-rate effect, high-velocity projectile impact, low-velocity drop-weight impact, blast loading.
Issue Date: 23-Jan-2007
Citation: LEE SIEW CHIN (2007-01-23). Finite element modeling of hybrid-fiber ECC targets subjected to impact and blast. ScholarBank@NUS Repository.
Abstract: This dissertation describes the three-dimensional Finite Element (FE) models of hybrid-fiber Engineered Cementitious Composites (ECC) targets subjected to high- and low-velocity impacts as well as blast loading. In the high- and low velocity impacts studies using LS-DYNA FE package, a reasonably good agreement between the FE predictions and impact test results was observed and the FE material model for the hybrid-fiber ECC was verified. A parametric study was then conducted to compare the response of Steel Reinforced Hybrid-Fiber ECC (SRHFECC) and Reinforced Concrete (RC) panels subjected to blast loading. From the study, it was shown that the SRHFECC panel is much more efficient in resisting the single and multiple blast loadings as compared to the RC panel. Furthermore, it was found that a relatively thinner SRHFECC panel may be used in place of a thicker RC panel to improve the blast-resistance, especially for high-intensity blast loading and multiple blasts cases.
Appears in Collections:Ph.D Theses (Open)

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