Assessment of Blast Induced Damage in Concrete Walls of Urban Metro Stations Using the Finite Elements Method

Mostafa Amini, Abbas Sivandi


Structural engineers are faced with many different challenges when designing structures, especially in important
reinforced concrete buildings that could be subjected to blast loads. The response of structures due to explosions are controlled by
some parameters, such as mass and standoff distance of charge, dimensions and direction of structure, adjacency to other buildings,
and important properties of the land. A common lateral load resisting system that is particularly vulnerable to blast loads is the
internal reinforced concrete shear wall in urban metro stations. This study investigated the dynamic behavior of the internal wall in
a metro station in the effect of blast loading. To assess the progressive collapse of these structures, the damaged walls should be
modeled in software. The modeling of damage walls is complicated; therefore, in this study, after analysis of the area of damage, an
equal wall was proposed to substitute for the damaged wall.

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