Condition monitoring of the reinforcement’s corrosion in structural element

Abstract

Knowing the status of the steel reinforcements in existing structural elements, represents an important issue in building rehabilitation and long-time behaviour. A quick non-destructive method of pin pointing areas, where active corrosion of re-bars is taking place on reinforced concrete structures can be done by use of half-cell measurements, using the M.C. Miller Concrete Corrosion Mapping System. The exchange of energy which is the nature of corrosion in different sections of steel reinforcing, can be measured by potential. Half-cell potential measurements allow a comprehensive survey of bridge deck/structures to be performed in a relative short period of time.