Efficacy of Natural Zeolite and Metakaolin as Partial Alternatives to Cement in Fresh and Hardened High Strength Concrete

<div>Scanning electron microscopy (SEM) of mix 4.</div>

Advances in Materials Science and Engineering

Figure 16: Efficacy of Natural Zeolite and Metakaolin as Partial Alternatives to Cement in Fresh and Hardened High Strength Concrete 