Abstract
Reinforcement of beams and plates in high-pile wharf is important measures to ensure the safe operation of the old pier. Performance of prestressed CFRP plate reinforced concrete beam was carried out finite element calculation and analyzed in secondary load conditions use of the cell death technology and load multi-step control, various parameters impact analysis was performed. The results were showed that the bearing capacity of RC beams reinforced and stiffness were improved greatly; Ultimate bearing capacity of RC beams were strengthened by unstressed condition, compared with decline in the secondary load conditions and stiffness did not change significantly; CFRP plate reinforcement should give full play to the role of being the initial cracking reinforcement in the beam in the same reinforced conditions.
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