Nearly everyone is familiar with corrosion of concrete surfaces exposed to outside elements. We see this everyday by observing concrete structures that have become discolored or that are deteriorating because of pollutants in the air. In northern climates, we see corrosion in concrete roadways that have scaled and spalled, and. in bridges that have been covered with ice, snow and salt. However, when we consider corrosion of indoor concrete floors in such places as manufacturing plants, ware-houses, airplane hangars, and similar places, the maintenance engineer may be the only person aware of potential or actual concrete corrosion problems in the facility.

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