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Reliability analysis of corroded reinforced concrete beam with regards to anchorage failure
Chalmers University of Techology, Sweden.
RISE - Research Institutes of Sweden, Säkerhet och transport, Safety. (Mechanics Research)ORCID-id: 0000-0001-5879-7305
Lund University, Sweden.
Chalmers University of Technology, Sweden.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Life Cycle Analysis and Assessment in Civil Engineering: Towards an Integrated Vision, 2018, s. 337-344Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Reinforcement corrosion is a common problem in reinforced concrete infrastructure today, and it is expected to increase in the future. To simply replace the corroded structures with new ones requires large resources, both in financial and environmental terms. Therefore it is important that existing structures are used to their full potential, also after the onset of corrosion. This paper presents a reliability study of the anchorage capacity of a reinforced concrete beam including reinforcement corrosion. The sensitivity of the different input parameters is also studied. As expected, the results show that the reliability is reduced with corrosion; the magnitude depends to a large extent on the modelling uncertainty used for the bond model for corroded reinforcement. The sensitivity analysis shows an influence of corrosion also on the sensitivities of the input parameters, which is expected based on the properties of the underlying bond model. This paper demonstrates that probabilistic evaluations give valuable insight of the reliability, which can be used to prolong the service-life of existing infrastructure and save both money and the environment.

sted, utgiver, år, opplag, sider
2018. s. 337-344
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-37552Scopus ID: 2-s2.0-85063951120ISBN: 9781138626331 (tryckt)OAI: oai:DiVA.org:ri-37552DiVA, id: diva2:1282130
Konferanse
Sixth International Symposium on Life-Cycle Civil Engineering (IALCCE 2018), Ghent, Belgium, 28-31 October 2018
Tilgjengelig fra: 2019-01-24 Laget: 2019-01-24 Sist oppdatert: 2019-08-13bibliografisk kontrollert

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