الفهرس 
Title : Seismic performance of staircases in the 3D analysis of buildings
SummaryOnly 14 pages are availabe for public view
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Abstract
Stairs play an important role as the escape way, and consider as source of safety building when earthquake happened. One of the reason of stairs failure during earthquake that designer was not consider the stairs in the 3D analysis model and not study effect of the stairs on behavior of building during earthquake