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The research leading to these results has received funding from the commissioned task entitled “VIA CARPATIA
Universities of Technology Network named after the President of the Republic of Poland Lech Kaczyński” contract
no. MEiN/2022/DPI/2578, action entitled “In the neighborhood —
inter - university research internships and study
visits”
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
-
in
duced
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.
