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Title: Shear Strength of Concrete Beams Prestressed with CFRP Cables
Authors: Nabipaylashgari, Mirpayam
Supervisor: Svecova, Dagmar (Civil Engineering)
Examining Committee: Shehata, Emile (Civil Engineering) Telichev, Igor (Mechanical Engineering)
Graduation Date: October 2012
Keywords: Shear
FRP Prestressed Concrete
Issue Date: 20-Sep-2012
Abstract: This thesis investigates the shear capacity of concrete T-beams prestressed with CFRP cables (CFCC) and contributes to the scarce research available for shear behavior of FRP prestressed concrete beams. Four beams are tested under distributed load, while twelve beams are tested under four point bending. Three different a/d ratios of 1.5, 2.5 and 3.5 are investigated. The results show that the shear capacity of the beams increases significantly when a/d is reduced below 2.5. The effect of FRP stirrups on the shear capacity of the beams is investigated and it is shown that the minimum required stirrups according to CSA-S6-10 are ineffective in deep beams with a/d = 1.5. The accuracy of current North American shear design formulas for FRP prestressed concrete beams subjected to four-point bending and distributed load is evaluated. The available strut and tie models are studied for determining the shear capacity of FRP prestressed deep beams.
Appears in Collection(s):FGS - Electronic Theses & Dissertations (Public)

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