Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 42, Issue -, Pages 33-39Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2012.12.046
Keywords
Recycled aggregate; Geopolymer; Pervious concrete; High-calcium; Fly ash
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Funding
- Higher Education Research Promotion and National Research University Project of Thailand, Office of the Higher Education Commission, through the Advanced Functional Materials Cluster of Khon Kaen University
- Thailand Research Fund (TRF) [MRG5480004, RTA5480004]
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In this paper, the use of recycled aggregates (RAs) for making pervious geopolymer concrete (PGC) was studied. PGCs were prepared from high-calcium fly ash (FA), sodium silicate (Na2SiO3) solution, sodium hydroxide (NaOH) solution, and two different types of RA viz., crushed structural concrete member (RC) and crushed clay brick (RB). The results were also compared with those of natural coarse aggregate (NA). Compressive strength, splitting tensile strength, total void ratio, and water permeability coefficient of the PGCs were determined. The results indicate that both RC and RB can be used as recycled coarse aggregates for making PGC with acceptable properties. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
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