Response of a tank under blast loading - part II : experimental structural response and simplified analytical approach

Abstract : The problem of dynamic buckling of thin cylindrical tanks subjected to an external blast caused by an accidental external gaseous detonation is studied in this paper. A study is performed on flexible cylinders at a reduced scale to quantify the structural response. Simplified semi-analytical models based on Donnell's equations and critical imperfection amplification thresholds are used to provide damage predictions. Numerical results are compared to experimental ones which shows a qualitative good agreement. Finally, a reliability analysis on a real atmospheric oil tank is performed and compared with damage diagrams in the form of pressure impulse curves and safety recommendations.
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Duy-Hung Duong, Jean-Luc Hanus, L. Bouazaoui, X. Regal, Gaëtan Prod'Homme, et al.. Response of a tank under blast loading - part II : experimental structural response and simplified analytical approach. European Journal of Environmental and Civil Engineering, Taylor & Francis, 2012, 16 (9), pp.1042-1057. ⟨10.1080/19648189.2012.699743⟩. ⟨ineris-00963400⟩

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