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Application of fuzzy sets to structural reliability of existing structures

机译:模糊装置在现有结构的结构可靠性中的应用

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Assessing the safety of a structure through inspection has always been part of the practice of the structural engineer. Information obtained through these inspections can be both objective and subjective. One can update the reliability of an existing structure based on objective and subjective information through the fuzzified Bayes theorem. This paper cites the algorithm for computing the posterior probability of failure based on visual inspection of existing structures by incorporating fuzzy set theory into the Bayes theorem. The failure design probability of a structural steel frame is updated. Results indicate that the preciseness of the membership function associated with the input data has little or no influence on posterior failure probability.
机译:通过检查评估结构的安全始终是结构工程师实践的一部分。通过这些检查获得的信息可以是客观和主观的。人们可以通过模糊的贝叶斯定理基于目标和主观信息来更新现有结构的可靠性。本文通过将模糊集理论结合到贝叶斯定理,引用了计算基于现有结构的目视检查的失效概率算法。更新了结构钢框架的故障设计概率。结果表明,与输入数据相关的成员函数的确切几乎没有对后失效概率的影响。

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