Extending supplementary cementitious material resources: Reclaimed and remediated fly ash and natural pozzolans
By Ivan Diaz-Loya, M. Juenger, Saamiya Seraj, R. Minkara. Cement & Concrete Composites, 2017
185 citations recorded by the source corpus.
Abstract The concrete industry is under increasing pressure to reduce greenhouse gas emissions and energy use in portland cement manufacturing. While there are several possible ways to address this challenge, an immediate solution is to minimize the amount of portland cement used by partially substituting other materials to make concrete binders. Typical supplementary cementitious materials (SCMs) used in concrete are byproducts of other industries, such as fly ash from coal burning power production. However, in some regions, changes in the supply-demand chain for SCMs is limiting the ability of the concrete industry to fully utilize these traditional, byproduct SCMs in concrete. This paper addresses current research on avenues for extending SCM resources, particularly in the context of fly ash shortages in the US, including concrete-grade reclaimed fly ash and natural pozzolans.
Subfields: Building and Construction, Civil and Structural Engineering, Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/c758fe67a8939286a62a2faf840ef81b01c43372
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Citations in the corpus
- Utilization of By-Products and Wastes as Supplementary Cementitious Materials in Structural Mortar for Sustainable Construction (2020, background): “%) than the strength of the control mortar without any WGP; but higher substitution led to lower compressive strength; however, up to 20% replacement, every mortar reached at least 30 MPa compressive strength at the age of 28 days.”