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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >Parametric Study on Nonlinear Finite Element Analysis of Prestressed Reinforced Concrete Beam Strengthened by Fiber-Reinforced Plastics
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Parametric Study on Nonlinear Finite Element Analysis of Prestressed Reinforced Concrete Beam Strengthened by Fiber-Reinforced Plastics

机译：Parametric Study on Nonlinear Finite Element Analysis of Prestressed Reinforced Concrete Beam Strengthened by Fiber-Reinforced Plastics

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摘要

Finite element analysis has been commonly used in many studies to examine the performance of structural elements. The objective of this article is to assess the relevance of geometric and strengthened pattern uncertainty on prestressed reinforced concrete beams strengthened by fiber-reinforced plastics based on a nonlinear finite element analysis. The parametric study focuses on the significant effects of fiber-reinforced polymer, beam length, and prestressed load on the ultimate loading capacity of the prestressed reinforced concrete beam strengthened by fiber-reinforced plastics. The results demonstrate the advantages of fiber-reinforced plastics that significantly increase the stiffness and the ultimate loading capacity of prestressed reinforced concrete beams. It is found that the beams that are strengthened by the FRP with fibers oriented at 0° have better results than other orientation angles.

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