The factors affecting corrosion of reinforced concreteBased on the nature and extent of eroding the impact of the marine environment reinforced concrete structure up can classified into the following three regions: The completely submerged: concrete and precast concrete constructions reinforcement in the region suffered the effects of the sea water with salt dissolved quite big, SO 2-levels exceed standards, physical chemistry corrosion phenomenon will occur, SO 2-ions will react to the concrete hydration products create a compound difficult to dissolve. When the concentration of SO 2-large will create salt
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