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Experimental and analytical assessment of nonlinear behavior for circular steel hollow sections under bending / Eslam Yehia Mohamed Elsayed ; Supervised Sherif A. Mourad , Maheeb M. E. Abdelghaffar

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Eslam Yehia Mohamed Elsayed , 2015Description: 130 P. : charts , facsimiles ; 30cmOther title:
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: This thesis presents an analytical and experimental assessment of the behavior of circular steel hollow sections under bending. Three dimensional non-linear finite element models have been established by ANSYS11 Finite element program to assess the allowable bending strength and D/t limits which separate between the sections types (compact, non-compact, slender). Several parameters are studied; Diameter to thickness (D/t) ratio, length to diameter (L/D) ratio, load conditions, boundary conditions, and variation of steel profile. Nine full-scale circular beams were tested to verify the finite element models; seven specimens were tested in cantilever models and two specimens were tested in simple beam with two concentrated loads. An analytical equation was proposed to predict the allowable bending stress in circular steel tubes. The equation was verified by a parametric study
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2015.Es.E (Browse shelf(Opens below)) Not for loan 01010110067093000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2015.Es.E (Browse shelf(Opens below)) 67093.CD Not for loan 01020110067093000

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

This thesis presents an analytical and experimental assessment of the behavior of circular steel hollow sections under bending. Three dimensional non-linear finite element models have been established by ANSYS11 Finite element program to assess the allowable bending strength and D/t limits which separate between the sections types (compact, non-compact, slender). Several parameters are studied; Diameter to thickness (D/t) ratio, length to diameter (L/D) ratio, load conditions, boundary conditions, and variation of steel profile. Nine full-scale circular beams were tested to verify the finite element models; seven specimens were tested in cantilever models and two specimens were tested in simple beam with two concentrated loads. An analytical equation was proposed to predict the allowable bending stress in circular steel tubes. The equation was verified by a parametric study

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