The structure of the steel reinforcement in conditions that must be exposed to sea water or coastal areas, is not able to use general concrete for work. Because in the sea water contains chloride salts (CI-) and sulfur salts (SO4-) makes it unable to withstand corrosion and cause rust to cause the concrete to crack out. Which the concrete for the marine environment is designed for use in such conditions well, the concrete is low porosity, reduces chloride permeability problems and the reaction that occurs from chloride, making the structure last for a long time.
