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Dr. AHMED YOUSSEF KAMAL EL-DEEN MOHAMED :: Publications:

Title:
Strengthening of (R.C) Beams with Openings by Near surface Mounted CFRP : Experimental Study
Authors: • A.YOUSSEF & Ehab hosny
Year: 2011
Keywords: (R.C) beam, opening, strengthening, NSM
Journal: Engineering Research Journal
Volume: 129
Issue: Not Available
Pages: c1-c15
Publisher: Not Available
Local/International: Local
Paper Link: Not Available
Full paper AHMED YOUSSEF KAMAL EL-DEEN MOHAMED_p1.pdf
Supplementary materials Not Available
Abstract:

This paper discusses the strengthening of (R.C) beams with openings by near surface mounted NSM system. A total number of five beams with rectangular openings in the shear zone have been tested. The opening is shown to affect the overall structural behavior of the beam. Three patterns of strengthening by NSM around the opening are investigated : horizontally, vertically and box shape. It is found that placing the NSM horizontally is not fully effective because diagonal cracks can propagate through the beam with crack path diverted to avoid intersecting with the NSM. While placing the NSM around the opening in box shape has a significant improvement in loading capacity and beam ductility. A nonlinear finite element analysis is conducted for numerical verification and extensive variable study.

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