Mixing Influences on Cement-Based Waste Forms

by James B. Stong, (M.ASCE),
James R. Weber,
Kevin J. Hull,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


High-shear, medium-shear, and low-shear mixing tests were conducted on paste and paste + fly-ash mixes: The specimens, cured for 28-days, were tested for free water generation, compressive strength, and leachability potential. For both mixes, high-shear and medium-shear mixing produced a superior waste form, high-shear being best for the paste + fly-ash mixes and medium-shear being best for the paste mixes.

Subject Headings: Materials processing | Waste management | Cement | Compressive strength | Fly ash | Waste sites | Curing | Hydration

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