New Journal of Glass and Ceramics, 2017, 7, 34-47 http://www.scirp.org/journal/njgc ISSN Online: 2161-7562 ISSN Print: 2161-7554 DOI: 10.4236/njgc.2017.72004 April 30, 2017 Effect of Glass Powder on Concrete Sustainability Ablam Zidol 1 , Monique Tohoue Tognonvi 2 , Arezki Tagnit-Hamou 1 Abstract Keywords 1. Introduction