Delamination growth rate evaluation in repairs using non-destructive techniques

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In Canada, the deficit to fix existing infrastructure is increasing at an alarming rate. Some estimates put the deficit to fix bridges alone at $8 billion. This project will aim at developing innovative Non-destructive techniques for condition assessment of deteriorating structures and to determine the delamination growth rate when repaired using a repair material. Further, this project aims at developing a multipurpose rig that can be used to house different types of NDT equipment, gather the data and at the same time mark sections of the structure that are outside a predetermined limit. The findings of this project are expected to help RJC on various future projects. Findings of this project will help quantify the remaining service life of structures and assist owners in determining the intervention time for repair or structural retrofit. Thus resulting in tax dollar savings and infrastructure safety improvement. Development of both a greater understanding of the spread of corrosion, as well as the refinement of rapid assessment techniques is essential for not only public safety but also public spending. With the ability to conservatively predict the spread of corrosion and delamination, timelines can be determined when assessing the risk and costs associated with delaying repair. Rapid assessment will also lower the costs to perform the assessments, allowing for existing budgets to accommodate more testing. In addition, with more accurate testing, uncertainties such as concrete removal quantities can be refined, providing more certainty in project budgets.