Investigation of the corrosion problems experienced in a housing complex

This paper deals with the condition assessment and the prediction of corrosion rate in an apartment building in Ottawa, Ontario, Canada. The concrete in parts of the building is heavily contaminated with calcium chloride that had been used as admixture during construction. Independent studies by others have shown free chloride content as high as 1.4% by weight of cement. The presence of chlorides and sufficient level of moisture in the concrete …