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Search Publications by: Osamah Dehwah (IntlAssoc)

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Displaying 1 - 3 of 3

Crack Networks and Chemistry in Pyrrhotite-Affected Concrete Extracted from a Massachusetts Site

August 2, 2026
Author(s)
Patrick Dixon, Michael Mengason, David Goodwin, Thomas Russo, Ashley Carey, Osamah Dehwah, Stephanie Watson
Homes in areas of Massachusetts are experiencing issues with crumbling foundations due to pyrrhotite, similar to homes in northeastern Connecticut. A basement of a Massachusetts residential home, built in the mid-1990s, experiencing pyrrhotite-driven

Crack Formation Modeling in Concrete Affected by Iron-Sulfide Reactions

June 24, 2026
Author(s)
Osamah Dehwah, Nicos Martys, Edward Garboczi, Michael Mengason, Patrick Dixon, Stephanie Watson
Damage in concrete containing sulfide-bearing aggregates has become a critical issue in several countries such as the USA, Canada, and Ireland. This deterioration unfolds over decades and is driven by oxidation reactions in sulfide-bearing aggregates
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