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Probabilistic design of FRP strengthening of concrete structures

机译：混凝土结构FRP强化的概率设计

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For a long period of time CFRP plate bonding has been shown to be a competitive method for shear strengthening, both in regards to structural performance and economical aspects. A handful of models for design that include different strengthening aspects exist. Most proposals are derived from assumptions made for the design of new structures and are also based on a deterministic approach where in the best cases a safety factor is added. The use of probabilistic methods is extending and reliability of a designed structure is sometimes calculated. This paper presents how the reliability should be used in the design for strengthening an existing structure, which issues should be considered and also what safety one can expect from a structure strengthened in shear. Partial coefficients on material properties and loads are used to give a uniform treatment of the risk of failure. When partial coefficients are chosen, the reason for strengthening and the strengthening method may be considered to achieve an optimal strengthening with respect to structural safety and economy. The results from the analysis indicate design models for shear strengthening should be analytically determined with a transparent strategy for the uniform treatment of reliability aspects.
机译：长时间，CFRP板键合被证明是对结构性能和经济方面的剪切强化的竞争方法。存在包括不同强化方面的设计模型。大多数提案来自于对新结构设计的假设，并且还基于在最佳情况下添加安全系数的确定方法。使用概率方法是延长的，有时计算设计结构的可靠性。本文介绍了如何在用于加强现有结构的设计中使用的可靠性，应该考虑哪些问题，并且还可以从剪切中加强的结构期望的安全性。材料性能和负载的部分系数用于给出失败风​​险的均匀处理。选择部分系数时，可以考虑强化和强化方法的原因来实现关于结构安全性和经济的最佳强化。分析结果表明，应用透明策略进行分析确定用于剪切强化的设计模型，以透明策略进行可靠性方面的均匀处理。

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