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Probabilistic response evaluation for RC flexural members subjected to blast loadings.

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Probabilistic response evaluation for RC flexural members subjected to blast loadings.

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Title: Probabilistic response evaluation for RC flexural members subjected to blast loadings.
Author: Rong, Hai-Cheng.; Li, Bing.
Copyright year: 2006
Abstract: The probabilistic responses of the maximum displacement and displacement ductility factor for a reinforced concrete (RC) flexural member against potential blast loadings are evaluated through a nonlinear dynamic analysis of its equivalent single-degree-of-freedom (SDOF) system. Monte-Carlo simulation is used in the analysis. Some differences are observed between the actual responses of the RC member and those of the equivalent SDOF system due to the complex behaviours of reinforced concrete structural members under blast conditions. Two non-dimensional indices are defined to quantify the differences and their expressions are generated through a large amount of numerical and statistical analyses. The approach of utilizing the indices into a probabilistic response assessment of RC flexural members accounting for different kinds of uncertainties is illustrated via four numerical examples which are verified through nonlinear dynamic finite element analysis. It is concluded that the probabilistic response of RC flexural members obtained from the developed approach have a similar distribution with those from probabilistic nonlinear finite element analysis.
Subject: DRNTU::Engineering.
Type: Journal Article
Series/ Journal Title: Structural safety
School: School of Civil and Environmental Engineering
Research Centre: Protective Technology Research Centre
Rights: © 2006 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Structural safety, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1016/j.strusafe.2006.03.004.

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