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Structural effectiveness of FRP materials in strengthening RC beams

机译：玻璃钢材料在钢筋混凝土梁加固中的结构有效性

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The objective of this paper is to provide an overview of the state of the art concerning the structural behavior of concrete beams externally reinforced with Fiber Reinforced Polymers (FRP) systems. The relevant aspects that mostly characterize the overall performance of strengthened beams, such as strength increase, ductility, and the ability to dissipate the internal strain energy are illustrated by means of a critical analysis of the results obtained from a multiphase an extensive ongoing experimental investigation carried out at the University of Calabria. The latter showed how a stable and controlled progressive failure of reinforced concrete (RC) beams strengthened with FRP materials can be obtained through a holistic approach. The basis of a holistic design is the concept of "performance factor", obtained by the product of "deformability" and "strength" factors. (C) 2015 Elsevier Ltd. All rights reserved.
机译：本文的目的是提供有关使用纤维增强聚合物（FRP）系统外部增强的混凝土梁的结构性能的最新技术概述。通过对多阶段进行的结果进行严格分析，并进行了广泛的正在进行的实验研究，说​​明了大多数表征增强梁整体性能的相关方面，例如强度增加，延展性和耗散内部应变能的能力。在卡拉布里亚大学学习。后者显示了如何通过整体方法获得用FRP材料加固的钢筋混凝土（RC）梁的稳定且受控的渐进破坏。整体设计的基础是“性能因数”的概念，该概念是由“变形性”和“强度”因数的乘积获得的。 （C）2015 Elsevier Ltd.保留所有权利。

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