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Repair of R.C. beams subjected to torsion using CFRP sheets / Wassim Badri Domat ; Supervised Hany Ahmed Abdalla , Ghada Diaa Abdelhmeed

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Wassim Badri Domat , 2018Description: 116 P. : charts , facsimiles ; 30cmOther title:
  • ترميم الكمرات الخرسانية المعرضة لعزوم اللى باستخدام الألياف الكربونية [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Civil Engineering Summary: Experimental and analytical programs have been carried out to investigate the behavior of repair of rectangular reinforced concrete beams subjected to torsion using carbon fiber reinforced polymer (CFRP) sheets. Five specimens have been tested with various parameters such as the effect of configurations and orientation of CFRP sheets and spacing of the strips. The ultimate load carrying capacity, ultimate torque, and twisting angle of the specimens. The results showed that using CFRP strengthening technique improves the ultimate load carrying capacity of all the repaired beams, where Full wrapping is the most effective configuration. In addition, CFRP strips applied in 45 degrees with axis of the beam give higher torsional strength than strips applied in 90 degrees with the axis of the beam. The results show that spacing of the strips play a vital role in strengthening, where the smaller spacing increase in effective confinement provided by full strips and hence, result in greater post cracking stiffness compared to the larger spacing
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2018.Wa.R (Browse shelf(Opens below)) Not for loan 01010110076690000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.05.M.Sc.2018.Wa.R (Browse shelf(Opens below)) 76690.CD Not for loan 01020110076690000

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

Experimental and analytical programs have been carried out to investigate the behavior of repair of rectangular reinforced concrete beams subjected to torsion using carbon fiber reinforced polymer (CFRP) sheets. Five specimens have been tested with various parameters such as the effect of configurations and orientation of CFRP sheets and spacing of the strips. The ultimate load carrying capacity, ultimate torque, and twisting angle of the specimens. The results showed that using CFRP strengthening technique improves the ultimate load carrying capacity of all the repaired beams, where Full wrapping is the most effective configuration. In addition, CFRP strips applied in 45 degrees with axis of the beam give higher torsional strength than strips applied in 90 degrees with the axis of the beam. The results show that spacing of the strips play a vital role in strengthening, where the smaller spacing increase in effective confinement provided by full strips and hence, result in greater post cracking stiffness compared to the larger spacing

Issued also as CD

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