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Information Journal Paper

Title

PROBABILISTIC FAILURE MODELLING OF REINFORCED CONCRETE STRUCTURES SUBJECTED TO CHLORIDE PENETRATION

Pages

  1-14

Abstract

 Structural durability is an important criterion that must be evaluated for every type of structure. Concerning REINFORCED CONCRETE members, chloride diffusion process is widely used to evaluate durability, especially when these structures are constructed in aggressive atmospheres. The chloride ingress triggers the corrosion of reinforcements; therefore, by modelling this phenomenon, the corrosion process can be better evaluated as well as the STRUCTURAL DURABILITY. The corrosion begins when a threshold level of chloride concentration is reached at the steel bars of reinforcements. Despite the robustness of several models proposed in literature, deterministic approaches fail to predict accurately the corrosion time initiation due the inherent randomness observed in this process. In this regard, STRUCTURAL DURABILITY can be more realistically represented using probabilistic approaches. This paper addresses the analyses of probabilistic corrosion time initiation in REINFORCED CONCRETE structures exposed to CHLORIDE PENETRATION. The CHLORIDE PENETRATION is modelled using the Fick's diffusion law. This law simulates the chloride diffusion process considering time-dependent effects. The probability of failure is calculated using Monte Carlo simulation and the first order reliability method, with a direct coupling approach. Some examples are considered in order to study these phenomena. Moreover, a simplified method is proposed to determine optimal values for CONCRETE COVER.

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    Cite

    APA: Copy

    NOGUEIRA, CAIO GORLA, LEONEL, EDSON DENNER, & CODA, HUMBERTO BREVES. (2012). PROBABILISTIC FAILURE MODELLING OF REINFORCED CONCRETE STRUCTURES SUBJECTED TO CHLORIDE PENETRATION. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 4(-), 1-14. SID. https://sid.ir/paper/319722/en

    Vancouver: Copy

    NOGUEIRA CAIO GORLA, LEONEL EDSON DENNER, CODA HUMBERTO BREVES. PROBABILISTIC FAILURE MODELLING OF REINFORCED CONCRETE STRUCTURES SUBJECTED TO CHLORIDE PENETRATION. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2012;4(-):1-14. Available from: https://sid.ir/paper/319722/en

    IEEE: Copy

    CAIO GORLA NOGUEIRA, EDSON DENNER LEONEL, and HUMBERTO BREVES CODA, “PROBABILISTIC FAILURE MODELLING OF REINFORCED CONCRETE STRUCTURES SUBJECTED TO CHLORIDE PENETRATION,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 4, no. -, pp. 1–14, 2012, [Online]. Available: https://sid.ir/paper/319722/en

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