Modeling of chloride-induced corrosion in concrete bridge using the simplified and full probabilistic methods

• Autorzy: Skrzypczak Izabela , Halicka Anna , Słowik Marta

Identyfikatory

DOI

10.37105/iboa.194

• Języki publikacji: EN

Abstrakty

EN

Concrete and reinforced concrete structures are subjected to chloride corrosion, which can shorten their service life and safety of use. Reliability and safety prediction of concrete structures is a crucial task for optimizing their life cycle design and maintenance and for minimizing their life cycle costs. In the paper a probabilistic analysis of concrete durability in structural members is presented. Two methods: simplified-probabilistic and full-probabilistic have been applied for modelling chloride-induced corrosion in concrete structures. The uncertainty of the key parameters including surface chloride concentration, chloride threshold, cover depth and diffusion coefficient, which govern the chloride ingress into concrete and corrosion of reinforcing steel have been analyzed. A case study of a reinforced concrete bridge has been used to illustrate the capability and efficiency of these probabilistic methods in modeling the uncertainty and predicting the time-dependent probability of corrosion. FREeT-D and ProCAAT software have been used for the analysis.

Słowa kluczowe

EN

chlorides; probabilistic analysis; reinforced concrete structures; durability limit state

PL

chlorki; analiza probabilistyczna; stan graniczny trwałości; konstrukcja żelbetowa

• Wydawca: Centrum Rzeczoznawstwa Budowlanego Sp. z o.o.
• Czasopismo: Inżynieria Bezpieczeństwa Obiektów Antropogenicznych
• Rocznik: 2023
• Tom: Nr 4
• Strony: 35--45
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Skrzypczak Izabela

• Rzeszow University of Technology, Faculty of Civil and Environmental Engineering and Architecture, Powstańców Warszawy 12 Av., 35-959 Rzeszow, Poland

• https://orcid.org/0000-0003-0978-3040

autor

Halicka Anna

• Lublin University of Technology, Faculty of Civil Engineering and Architecture, Lublin, Poland

• https://orcid.org/0000-0001-5526-8862

autor

Słowik Marta

• Lublin University of Technology, Faculty of Civil Engineering and Architecture, Lublin, Poland

• https://orcid.org/0000-0001-9627-3625

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).