Analysis of five self compacting concretes in the marine environment: A probabilistic approach

This paper utilises accelerated chloride ingress testing and probabilistic deterioration modeling to examine the durability characteristics of a number of Self Compacting Concrete (SCC) durability options. Firstly the paper presents details of an extensive laboratory study which examines the relative performance of five SCC durability options utilising salt fog chamber experiments. The results of the laboratory testing regime then serve to inform statistical input parameters employed in a probabilistic deterioration model. The theoretical background to the probabilistic model is presented in the paper and the experimentally calibrated statistical model parameters are discussed in light of the existing literature. Overall the analysis revealed that the best preforming SCC durability option is dependent upon the probability of corrosion initiation being considered. It can be said however that for the majority of the range of probability of corrosion initiation the OPC + GGBS option was the best preforming SCC.