期刊
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
卷 25, 期 10, 页码 1456-1464出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)MT.1943-5533.0000680
关键词
Concrete; Fly ash; Material properties; Sustainable development; Alkali-activation; Fly ash; Material characterization; Sustainability
资金
- National Science Foundation (NSF) [0923818]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [0923818] Funding Source: National Science Foundation
As the concern for the environment and need for sustainable construction practices continues to grow, development of portland cement-free binders is gaining wide interest in the concrete research and engineering community responsible for design and construction of civil infrastructure. In this work, microstructural (as determined by quantitative X-ray diffraction, scanning electron microscopy, and energy dispersive spectroscopy techniques) and material properties of alkali-activated fly ash concrete were evaluated to verify the material's performance and structural viability. Results show that the heat-cured products of reaction of fly ash in an aqueous alkaline solution form a concrete binder with adequate design properties and promising durability aspects.
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