Investigation and Assessment of Colored Concrete Pavement

Status:  Complete
Report Date:  08/27/2014

Summary:

Researchers observed colored concrete being constructed at three sites and performed petrographic analysis of core samples from four sites to investigate potential causes of premature distresses in many Minnesota colored concrete projects. No cause was conclusively identified, but recommendations include using a mix with a maximum water-to-cementitious materials ratio of 0.43 to eliminate excessive porosity and using a vibrating screed for concrete consolidation.

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