Abstract
The significance to develop fortification intensity related vulnerability matrix for earthquake prevention and mitigation is emphasized in this paper. The way to acquire the fortification intensity data of buildings damaged in the great Wenchuan earthquake, from their construction years with the seismic zoning maps in three time periods, is reported. Preliminary statistical results of vulnerability matrices related with fortification intensity VI, VII and VIII, are presented for brick-concrete structure and frame structure buildings in Sichuan region. The results show clearly the decrease of vulnerability with increase of the fortification level.
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