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Comparison between ASD & LRFD Egyptian steel codes for beam-columns under different live to dead load ratios / Abdelrhman Mostafa Awd ; Supervised Fouad Fayez Aly

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Abdelrhman Mostafa Awd , 2015Description: 172 P. : charts ; 30cmOther title:
  • تحت تأثير تغيير نسبة الأحمال الحية إلى الأحمال الميتة Beam-columnsلقطاع LRFD , ASD مقارنة بين طريقة تصميم المنشآت المعدنية باستخدام المواصفات المصرية [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: This Thesis presents a study of the structural design of beam-columns in accordance with the latest Egyptian steel codes (ASD & LRFD) under the effect of different live to dead load ratios. Extracted design charts are produced to determine the relation between different Live to dead load ratios versus different unsupported member lengths. While focusing on regions where either LRFD or ASD shall give an optimum designed section based on the different design parameters. Different cross sections, member spans, steel grade and buckling lengths are introduced. It is shown clearly the significant effect of different sharing of axial compression force to the applied moment for the output results. Great influence is also observed for the unsupported length 2Lu3 and of course the live to dead load ratio. Generally it is concluded that, ASD" method is more reliable than "LRFD" method for beam-column section with bigger unbraced length "Lu2, and for higher N ratios, while LRFD method is much optimum for smaller Lu values, smaller N ratios, smaller cross sections and smaller L/D ratios
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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.Ab.C (Browse shelf(Opens below)) Not for loan 01010110068705000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2015.Ab.C (Browse shelf(Opens below)) 68705.CD Not for loan 01020110068705000

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

This Thesis presents a study of the structural design of beam-columns in accordance with the latest Egyptian steel codes (ASD & LRFD) under the effect of different live to dead load ratios. Extracted design charts are produced to determine the relation between different Live to dead load ratios versus different unsupported member lengths. While focusing on regions where either LRFD or ASD shall give an optimum designed section based on the different design parameters. Different cross sections, member spans, steel grade and buckling lengths are introduced. It is shown clearly the significant effect of different sharing of axial compression force to the applied moment for the output results. Great influence is also observed for the unsupported length 2Lu3 and of course the live to dead load ratio. Generally it is concluded that, ASD" method is more reliable than "LRFD" method for beam-column section with bigger unbraced length "Lu2, and for higher N ratios, while LRFD method is much optimum for smaller Lu values, smaller N ratios, smaller cross sections and smaller L/D ratios

Issued also as CD

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