Characterization and Performance of Zero-Cement Concrete

Project Details
STATE

MO

SOURCE

TRID

START DATE

01/01/17

END DATE

12/01/18

RESEARCHERS

Eslam Gomaa, Simon Sargon, Cedric Kashosi, Ahmed Gheni, Mohamed ElGawady, William Schonberg

SPONSORS

Missouri DOT

KEYWORDS

Admixtures, Binders, Bridge decks, concrete, Fly ash, Girders, Hydration, Portland cement

Project description

This study has investigated the feasibility of using five different types of class C fly ashes (FAs) sourced from Labadie, Jeffrey, Kansas City, Thomas Hill, and Sikeston power plants in the state of Missouri to synthesize zero-cement concrete (ZCC) for different structural and repair applications. Alkali activator (Alk) consisting of sodium silicate (SS), Na2SiO3, and sodium hydroxide (SH), NaOH were used to synthesize the ZCC. Slag, crumb rubber, and air-entraining admixture (AEA) were used in a few mixtures as additives to improve the durability of the ZCC.
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