Concrete Structure Corrosion Risk Assessments

Our Concrete Condition Surveys help you assess the current state of your concrete structures, identify potential issues, and plan effective maintenance or repairs.

We can design, specify and supply of corrosion rate monitoring systems for reinforced concrete structures.

A key concern in any rehabilitation scheme for reinforced concrete structures is selecting the appropriate corrosion control strategy. Where chlorides are present, or the concrete has carbonated deterioration from corroded reinforcement may already have taken place or may be likely in the future as the corrosion continues.

A range of corrosion control techniques are available to overcome this, these include; coatings, inhibitors, galvanic anodes, impressed current cathodic protection and other electrochemical techniques. The selection of the appropriate corrosion control strategy will depend on the extent of the contamination, the life required for the structure and environmental considerations, such as the exposure conditions.

Selection of an inadequate corrosion control strategy may result in ongoing corrosion and repeat requirements for concrete repair, but selection of a strategy that is greater than that required can result in considerable expense over what is needed.

Often contamination occurs in localised areas, so treatment can be targeted to these locations. In order to identify the locations where this is required surveys can be undertaken.

The standard for repair works, BS EN 1504 ‘Products and Systems for the Repair and Protection of Concrete Structures’ also requires assessment of a structure prior to determining the appropriate strategy.