The response of buried concrete structures to the effect of blast loads is of great importance. Various parameters including the depth and weight of explosive charge, soil properties and the relative location of the buried structure to the explosive charge affect the structural performance of buried structures. In this paper, the influence of burial depth of explosive charge is numerically investigated using the new proposed finite element model developed and described in a previous work for the authors. The burial depth of explosive charge is considered to be varied between 0.0 m to 6.0 m. A comparison evaluation is carried out between the study of varying charge depth and the study of varying the burial depth of the structure. This investigation covers the blast wave propagation, structure response and damage analysis for buried reinforced concrete structures. The paper shows that buried explosions result in significant effects on the structure response than the surface explosions with the same conditions.
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