Investigation on Air-Blast Explosion Effect on reinforced concrete Buildings (Case Study)

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Abstract As a result of the spread of wars and terrorist acts that led to the bombing of public and private buildings in Aden/Yemen which is a case study, in this research it became necessary to conduct an assessment of the type of damage, and study the possibility of rehabilitating the elements that were partially destroyed. Here; in this paper, we studied of a number of buildings that were subjected to a direct air explosion, assessed the blast force effect of the wave on the surrounding buildings, found that the damage is directly related to the distance to the center of the explosion, as well as the age of the building and the materials used, which give us indications to recognize the factors that help to assess and treat the damage. Through this study, it was concluded that there is a need to the compressed gas produced from the explosion to be released by hatches in the closed areas in the building. If these hatches affect the function of these areas, weak points must be made in the walls, which it will act as an exit paths for the blast wave emitted from the source, and help the wave transit throughout the area causing less damages in the concrete structure.

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