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| Theoretical and Experimental Study on Debonding Mechanism of Steel Plate Strengthened with CFRP |
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Abstract The carbon fiber reinforced polymer (CFRP) always debond at the end from the steel plate, which is reinforced with CFRP. A finite element model of steel plate reinforced with CFRP is given out based on the cohesive force theory. Then the tensile experiment of steel plate reinforced by CFRP is studied, and that is used used to verify the finite element model. With the finite element model, it studies the mechanism of CFRP debonding from the steel plate. The results demonstrate that the cohesive method is suitable for the analysis of steel plate reinforced with CFRP, that the shear stress is the main factor of the stripping damage, that the whole process consists elasticity period ,soft period and debonding period, and that debonding begins from the end to the middle of CFRP until complete failure.
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Received: 04 January 2015
Published: 28 June 2015
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2015, Vol. 36 
