Study could affect predicting lifespan of buildings, large structures

Researchers at the Massachusetts Institute of Technology are using molecular-dynamics simulation, a modeling technique for studying the molecular behavior of different substances to understand material deterioration. They studied what happens when moisture hits the interface between the silica in concrete and the epoxy in material used as a surface wrap for concrete. They learned the adhesive strength between the two is then weakened, compromising the strength of the structural component. The researchers hope the results of the study can be used by structural and design engineers in estimating the lifespan of large structures and building components. MIT News (7/11)

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