Characteristics and applications of fly ash as a sustainable construction material: A state-of-the-art review
By Gang Xu, Xianming Shi. Resources, Conservation and Recycling, 2018
443 citations recorded by the source corpus.
Abstract Due to their good performance and environmental friendliness, fly ash-based construction materials have great potential as alternatives to ordinary Portland cement. To realize sustainable development and beneficial use of fly ash in the construction industry, this paper presents a comprehensive review of relevant literature to evaluate the properties and performance of fly ash, with a particular focus on recent advances in characterization, compositional understanding, hydration mechanism, activation approaches, durability and sustainability of fly ash as a construction material. Several key aspects governing the performance of fly ash, including chemical composition, activator type and hydrates evolution in concrete, are highlighted. Finally, the important needs, pertinent to the optimal and broad utilization of fly ash as an integral part of sustainable construction materials, are identified for further research and development, where large-scale application studies, further classification of fly ash, advanced characterization tools and technology transfer to biomass fly ash are recommended.
Subfields: Building and Construction, Civil and Structural Engineering, Geochemistry and Petrology
View Paper: https://www.semanticscholar.org/paper/00ebf981a9130f645e3fcd55176c52e6a56e2eb6
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In Building and Construction
In Civil and Structural Engineering
Citations in the corpus
- Current Sustainable Trends of Using Waste Materials in Concrete—A Decade Review (2020, background): “Shi 2018 [154] showed that the existing American society for testing and materials (ASTM) fly ash classifications are not meeting current industry requirements.”