Applicability assessment of concrete with recycled coarse aggregates in Havana, Cuba

E. Pavón; M. Etxeberria; N. E. Díaz

doi:10.3989/mc.2012.63210

Authors

E. Pavón Instituto Superior Politécnico José Antonio Echeverría, Ciudad Habana
M. Etxeberria Universidad Politécnica de Cataluña, Barcelona
N. E. Díaz Instituto Superior Politécnico José Antonio Echeverría, Ciudad Habana

DOI:

https://doi.org/10.3989/mc.2012.63210

Keywords:

waste, recycled, aggregate, concrete

Abstract

The recent viability studies carried out in Havana, Cuba, according to natural or recycled aggregates, exhibited high volume production of construction and demolition waste (CDW). The last well-known data of concrete waste generation reached to 1800 m³/month. This situation, together with the depletion of the quarry aggregates closed to the capital, requires the use of such debris as aggregate for concrete production. In this work, four origin recycled concrete aggregates (RCA) were produced and characterized. Recycled aggregate concrete with 25%, 50% and 100% of RCA and 0.45, 0.50 and 0.55 of water-cement ratio were produced. Physical, mechanical and durabilidty properties of thoses concretes were determined and evaluated, and their applicability as structural material in different aggressive environments according to Cuban normative was defined.

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