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首页> 外文会议>International Symposium on Innovation Sustainability of Structures in Civil Engineering >AN ASSESSMENT ON THE REMAINING SERVICE LIFE OF CONCRETE STRUCTURES UNDER CHLORIDDE CONTAINING ENVIRONMENTS
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AN ASSESSMENT ON THE REMAINING SERVICE LIFE OF CONCRETE STRUCTURES UNDER CHLORIDDE CONTAINING ENVIRONMENTS

机译：含氯霉素环境下混凝土结构剩余使用寿命的评估

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摘要

In recent years, many research works have been carried out to obtain a more controlled durability and long-term performance of concrete structures under chloride containing environments. In particular, the development of new procedures for probability-based durability analysis/design has proved to be very valuable for the enhancement of service life of concrete structures. Although there is still a lack of relevant data, this approach has been successfully applied to some new concrete structures. In this paper, the equation used for modeling of the chloride penetration was based on Fick's second law of diffusion in combination with a time dependent diffusion coefficient. The probability analysis of the durability performance was carried out by using a Monte Carlo Simulation. The new procedure for durability analysis was proved by using chloride penetration data from some concrete structures. The established procedure may be very useful in designing important concrete structures in chloride containing environments. Also, it may help to predict the remaining service life of concrete structures under a given probability of steel corrosioa.
机译：近年来，已经进行了许多研究作品，以获得更受控耐久性和氯化物环境下的混凝土结构的长期性能。特别是，已经证明了基于概率的耐久性分析/设计的新程序的开发对于加强混凝土结构的使用寿命非常有价值。虽然仍然缺乏相关数据，但这种方法已成功应用于一些新的混凝土结构。在本文中，用于建模氯化物渗透的等式基于Fick的第二次扩散规律，与时间依赖性扩散系数组合。通过使用蒙特卡罗模拟进行耐久性性能的概率分析。通过使用来自一些混凝土结构的氯化物渗透数据证明了耐久性分析的新方法。建立的程序对于在含氯化物环境中设计重要的混凝土结构方面非常有用。而且，它可能有助于预测在给定钢腐蚀概率下的混凝土结构的剩余使用寿命。

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