Seismic Rehabilitation of Traditional Un-Reinforced Masonry Buildings in Iran

Abstract eng:
Un-reinforced masonry buildings are a major population of residential and school buildings in Iran which have been shown severe damages during past earthquakes e.g. Bam earthquake in 2003 with at least 26000 fatalities. The most important weaknesses of this sort of buildings are coming form the in-adequate lateral load resisting system and the weakness in the element connections. This kind of construction is not (or rarely) used anymore in urban regions. However, any effort for the seismic rehabilitation of the current buildings can save a reasonable amount of life in a future earthquake. That is, a detailed seismic rehabilitation for a typical un-reinforced masonry building in Iran has been described in this paper. The rehabilitation methodology is based on the ASCE 41-06 standard recommendations but adopted in details for the Iranian traditional masonry construction type. The rehabilitation cost is around thirty percent of the re-construction procedure which is quite promising.

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