Omnia Hussien AboElwafa Ahmed <br/><br/>
Seismic performance of staircases in the 3D analysis of buildings /  
 تأثير الزلازل على السلالم فى التحليل الثلاثى الابعاد للمبانى 
Omnia Hussien AboElwafa Ahmed ; Supervised Ashraf A. Shawky 
 - Cairo :   Omnia Hussien AboElwafa Ahmed ,   2016 
 - 77 P. :   facsimiles , photographs ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering 
<br/><br/> 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 
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<br/><br/><label>Subjects--Index Terms: </label>Ductility factor Over-strength factor Response modification factor