Massive volume fly-ash concrete: A more sustainable material with fly ash replacing cement and aggregates

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dc.contributor.authorRivera, Felipe
dc.contributor.authorMartínez, Patricia
dc.contributor.authorCastro, Javier
dc.contributor.authorLópez, Mauricio
dc.date.accessioned2016-08-10T00:18:16Z
dc.date.available2016-08-10T00:18:16Z
dc.date.issued2015
dc.description.abstractFly ash (FA) has been widely used to improve concrete sustainability for many years; however, the amount of FA has been limited by the relatively low cement contents in concrete. In this study, massive volume fly-ash concrete was developed that maximizes the use of FA in concrete through its use as both a cement and aggregate replacement. Concrete containing as much as 728 kg of FA per cubic meter was produced with a compressive strength greater than 30 MPa, a low permeability measured in terms of chloride ion permeability (2300C at 56 d) and electrical resistivity (60 Omega-m at 56 d), and a decreased environmental impact. (C) 2015 Elsevier Ltd. All rights reserved.
dc.identifier.citationCement & Concrete Composites, 2015, vol. 63, p. 104-112
dc.identifier.urihttp://hdl.handle.net/11447/724
dc.identifier.urihttp://dx.doi.org/10.1016/j.cemconcomp.2015.08.001
dc.language.isoen_US
dc.subjectCold bonded fly ash aggregate
dc.subjectHigh volume fly ash
dc.subjectPelletization
dc.subjectElectrical resistivity
dc.subjectEnvironment
dc.subjectSustainability
dc.subjectPerformance
dc.subjectDurability
dc.subjectMixtures
dc.titleMassive volume fly-ash concrete: A more sustainable material with fly ash replacing cement and aggregates
dc.typeArtículo

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