“Ekkomaxx” is the 100% fly based hydraulic binder comprised of 90 to 95% fly ash and 5 to 10% CeraTech’s proprietary Activators (Activator 1 and Activator 2). ekkomaxx, a zero carbon footprint binder can be used for making green concrete with similar or better mechanical and durability properties than the Portland cement concrete. This paper presents the preliminary data for making green concrete using ekkomaxx as the binding material. This paper presents the mechanical properties of green concrete such as compressive strength, flexural strength, splitting tensile, and modulus of elasticity for various binder levels. The compressive strength vs. Water-to-Binder ratio (W/B) is developed to facilitate green concrete mix design with ekkomaxx in future. One Portland cement concrete mix as a control mix and nine Green Concrete mixes with ekkomaxx are presented. The relation between compressive strength and other mechanical properties such as flexural strength, MOE and split tensile strength are established and compared with various Portland cement concrete models of similar nature.
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