Abstract
AbstractWe have studied effects of gamma radiation on mechanical performance of polymer concrete (PC) containing varying concentrations of an unsaturated polyester resin and calcium carbonate. The compressive strength values increase from the zero dose (non-irradiated PC) to 10 kGy; afterwards we find a periodical change as a function of the resin concentration. The highest compressive strength corresponds to the highest resin concentration but the changes are not too large. Compressive strain values also go symbiotically with the resin concentration. All our composites - including irradiated and non-irradiated - have higher strength values than those reported for earlier polyester + concrete materials. The compressive modulus values follow the same pattern as the compressive strength and strain.
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