Alkali-Aggregate reaction in recycled concrete with aggregates qualified as reactives by the ASTM C 1260 method
Sota, Jorge D.
Avid, Fabián A.
Pereyra, Andrea S.
Palacio, Alberto J.
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The durability of concrete with recycled aggregates should conform to the intended life duration of the structures. Although there are sufficient experiences of resistant behavior of these concretes; their durability has not yet been studied in the depth it requires. Many of its problems are associated with the original components of concrete demolition, the age of the demolished structure, the change of the type of structure and the content of the cement of the new concrete. In this research paper two recycled concrete used as fine aggregate (characteristic of the constructions from Entre Rios) are studied. Aggregates are of basaltic origin and boulder from the Uruguay River. The ASTM C 1260 method was used showing the remaining reaction potential of recycled aggregates, given some considerations that should not be neglected in order to ensure the durability of concretes made with this type of aggregates.
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