期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 262, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2020.120516
关键词
Granite waste; Fly ash; Self-compacting concrete; Fresh properties; Water absorption
This research intends to use granite waste (GW) and fly ash as alternatives for fine aggregate and cement, respectively, for the sustainable production of self-compacting concrete (SCC). The fresh properties were evaluated using slump flow, T-500 flow, V-funnel, J-ring, and L-box tests, while the hardened properties were evaluated in terms of using compressive strength, flexural strength, water absorption, and ultrasonic pulse velocity tests. The results of the fresh properties showed that they were adversely affected by the incorporation of GW. However, the incorporation of fly ash improved the fresh properties and mitigated to some extent the negative effect of GW on the fresh properties. The incorporation of GW in SCC mixes augmented the hardened properties. The incorporation of fly ash further enhanced the hardened properties (except strength properties). The findings of this study revealed that the combined use of GW and fly ash in SCC has the potential to considerably enhance the fresh and hardened properties (without adversely affecting the strength characteristics). (C) 2020 Elsevier Ltd. All rights reserved.
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