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Effects of underground explosions on soil and structures

Underground Space 2020年第4期5卷 324-338页

作者： Daniel Ambrosini Bibiana Luccioni National University of Cuyo CONICETArgentina National University of Tucuman CONICETArgentina

Much effort has been dedicated to the study of underground explosions because they pose a major threat to people and structures below or above the *** this regard,it is especially important to model the propagation of blast waves in soil and their effects on *** main phenomena caused by underground explosive detonation that must be addressed are crater or camouflet formation,shock wave and elastic–plastic wave propagation in soil,and soil-structure *** phenomena can be numerically simulated using hydrocodes,but much care must be taken to obtain reliable *** objective of this study is to analyze the ability of a hydrocode and simple soil models that do not require much calibration to approximately reproduce experimental and empirical results related to different buried blast events and to provide general guidelines for the simulation of this type of *** this regard,crater formation,soil ejecta,blast wave propagation in soil,and their effects on structures below and above the ground are numerically simulated using different soil models and parameters;the results are *** properties of soil have a significant effect on structures,the ejecta,and the propagation of shock waves in ***,the model of the soil to study these phenomena must be carefully *** their effect on the diameter of a crater is insignificant.

关键词： Shock waves Underground explosions Soils hydrocodes

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