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Service life with regard to chloride induced corrosion. A probabilistic approach

Title: Service life with regard to chloride induced corrosion. A probabilistic approach
Author(s): K. Pettersson, J. Norberg
Paper category : conference
Book title: International Symposium on Intergrated Life-Cycle Design of Materials and Structures
Editor(s): A. Sarja
Print-ISBN: 951-758-408-3
e-ISBN: 235158029X
Publisher: RILEM Publications SARL
Publication year: 2000
Pages: 491 - 496
Total Pages: 6
Nb references: 6
Language: English

Abstract: A corrosion damage where the limit state is based on cracking of the concrete will occur when a certain critical chloride level, fchlonde, has reached the reinforcement and the corrosion rate, t crack is in a moderate value. The critical chloride value and the corrosion rate are parameters that is influenced by e.g. relative humidity, water cement ratio and temperature. The relative humidity and temperature inside the concrete depends on the outer relative humidity and temperature. The corrosion rate will raise with higher relative humidity and temperature. The lower the water cement ratio is the lower is the corrosion rate. The risk of corrosion damage can be calculated when the frequency functions of these two parameters, critical chloride
level and corrosion rate are known. Some hypothetical cases are treated in this paper showing the probability of the total service life, t, life = tchloride + t crack.

Online publication: 2000-04-30
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/235158029X.090

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