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Evaluation of force reduction factor for steel eccentric braced frames / Amr Mahmoud Youssef Ahmed Mansour ; Supervised Sherif A. Mourad , Mohamed H. Serror

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Amr Mahmoud Youssef Ahmed Mansour , 2015Description: 109 P. ; 30cmOther title:
  • تقدير معامل التخفيض الزلزالى للإطارات المعدنية المزودة بشكالات لا مركزية [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: The eccentrically braced steel frame EBSF is a proper structural system for earthquake resistance that combines both stiffness of the ordinary concentric bracing and ductility of the moment resisting frames. In this research, a parametric study has been conducted to assess the seismic force reduction factor values of EBSF as it accounts for the ability of structures to dissipate energy through inelastic deformations. Hence, nonlinear static analysis (pushover) and nonlinear time history analysis have been conducted using the finite element method. The well known N2-method has been, in turn, employed for the ductility factor evaluation. The values obtained are compared with the results in the literature and with those specified in the seismic design codes. Accordingly, a reduction factor value has been recommended for the EBSF in the Egyptian code
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Item type Current library Home library Call number Copy number Status Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2015.Am.E (Browse shelf(Opens below)) Not for loan 01010110069107000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2015.Am.E (Browse shelf(Opens below)) 69107.CD Not for loan 01020110069107000

Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering

The eccentrically braced steel frame EBSF is a proper structural system for earthquake resistance that combines both stiffness of the ordinary concentric bracing and ductility of the moment resisting frames. In this research, a parametric study has been conducted to assess the seismic force reduction factor values of EBSF as it accounts for the ability of structures to dissipate energy through inelastic deformations. Hence, nonlinear static analysis (pushover) and nonlinear time history analysis have been conducted using the finite element method. The well known N2-method has been, in turn, employed for the ductility factor evaluation. The values obtained are compared with the results in the literature and with those specified in the seismic design codes. Accordingly, a reduction factor value has been recommended for the EBSF in the Egyptian code

Issued also as CD

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