The Analysis Of Improving The Mechanical Behavior Of RC Beams By Prestressed CFRP-lamina

Comparing with the flexural capacity of the concrete beam gluing to the CFRPreinforces, the prestressed CFRP-lamina can effectively make use of the high intensityof the CFRP, save the dosage of the CFRP, control the distortions and cracks. Itsadvantages are obvious.This paper analyses the force of flexural stress concrete bonded prestressedCFRP-lamina, and put forward suggestions of the formulation of flexural stiffnessand deflection. This paper presents the proposed formula with the experimental resultsverify that the theoretical value is close to the experimental value, and this is tend tosafety.This paper calculates the strength section, flexural stiffness and deflection ofconcrete plate unbonded prestressed CFRP-lamina. It analyses the differences ofRight bonded, unbonded prestressed reinforced CFRP-lamina RC beams.Will bebonded and unbonded prestressed CFRP-lamina reinforced concrete plate bendingcomponent is the strength section, deflection theory with the experimental resultsmeasured by contrast testing, come prestressed reinforced CFRP-lamina RC beams inthe anchor role unbonded its carrying capacity, deflection little impact on thefollow-up study has some reference value.Finally, it brings up design method and recommendations of the prestressedreinforced CFRP-lamina RC beam.