Abstract

In order to study the durability of the stainless steel bars (SSRs) in the marine environment, 52.5 Ordinary Portland cement (OPC) and CA50 concrete specimens (CAC), ordinary carbon reinforcing steel bars, and S32304 duplex SSRs were used to make two concrete blocks. Electrochemical monitoring of steel bars in concrete was carried out in two marine environments, i.e. splash zone and full immersion zone, were simulated via alternating dryingwetting cycles and immersion in the simulated sea water solution. Test results show that the durability of concrete structure can be improved by using S32304 duplex SSRs and CA50 concrete specimens.

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