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Service life of the reinforced concrete bridge deck in corrosive environments: A soft computing system

机译：腐蚀环境下钢筋混凝土桥面板的使用寿命：一种软计算系统

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摘要

In the recent years, the soft computing techniques are increasingly applied in many fields of civil engineering due to their capabilities in computation and knowledge processing. In this paper, a soft computing system is developed to estimate the service life of reinforced concrete bridge deck as one of the most important issues in the civil engineering. The proposed system utilizes four fuzzy interfaces to quantify the exposure condition, required cover thickness, corrosion current density, and pitting corrosion ratio. The computational core of the proposed system employs α-level optimization in conjunction with the mentioned fuzzy systems to estimate the entire service life. The service life of structurally designed reinforced concrete bridge deck sample is assessed by both proposed system and traditional probabilistic method. The results showed that the proposed system could effectively predict the service life; however, it estimated longer service life in comparison with the probabilistic method.
机译：近年来，由于软计算技术具有计算和知识处理的能力，因此它们越来越多地应用于土木工程领域。本文开发了一种软计算系统来评估钢筋混凝土桥面板的使用寿命，这是土木工程中最重要的问题之一。拟议的系统利用四个模糊接口来量化暴露条件，所需的覆盖层厚度，腐蚀电流密度和点蚀率。所提出系统的计算核心采用α级优化，结合所提到的模糊系统来估计整个使用寿命。结构设计的钢筋混凝土桥面板样品的使用寿命通过提出的系统和传统的概率方法进行评估。结果表明，所提出的系统可以有效地预测使用寿命。但是，与概率方法相比，它的使用寿命更长。

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