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Sustainability Composites Based on Rubber Particle Waste Additions,” Materials Research, V. 16, No. 2, pp. 259-268. Saika, N., and Brito, J. D., 2012, “Use of Plastic Waste as Aggregate in Cement Mortar and Concrete Preparation: A Review,” Construction and Building Materials, V. 34, Sept., pp. 385-401. Antoine Gagnon received his bachelor’s degree in civil engineering from Laval University, Quebec City, QC, Canada, where he continues to work toward his master’s degree in the same field. The focus of his graduate research is in developing shotcrete mixture designs with added environmental/sustainable value. Toward that end, Gagnon is exploring the reduction of waste associated with shotcrete rebound and inclusion of industrial waste and recycled materials to minimize the use of new resources, all with an eye toward conventional and environmental costs as well as sustainable performance. After receiving her bachelor’s degree in civil engineering from Sherbrooke University, Sherbrooke, QC, Canada, in 2012, Isabelle Fily-Paré obtained her MSc in 2015 after working on glass powder in shotcrete. She is currently working on her PhD on durability of glass powder concrete and alkali-silica reaction. She has also worked on two large hydroelectric dam sites in northern Canada, where she organized hundreds of concrete casting and shooting projects. Marc Jolin, FACI, is a Full Professor in the Department of Civil and Water Engineering at Laval University. He received his PhD from the University of British Columbia, Vancouver, BC, Canada, in 1999. An active member of Centre de Recherche sur les Infrastructures en Béton (CRIB), he is currently involved in projects on service life, reinforcement encasement quality, new admixtures, and rheology of fresh shotcrete. Jolin is an ASA member; an ACI Examiner for Shotcrete Nozzleman Certification (wet- and dry-mix processes); Past Chair of ACI Committee C660, Shotcrete Nozzleman Certification; and current Chair of ACI Committee 506, Shotcreting. Fig. 7: The future of shotcrete mixture design with sustainable ingredients with such ingredients could help us realize our need to build and maintain quality structures, and our environmental duties for future generations. References ACI Committee 238, 2014, “Concrete Thixotropy (ACI 238.2T-14),” American Concrete Institute, Farmington Hills, MI, 6 pp. ACI Committee 506, 2016, “Guide to Shotcrete (ACI 506R-16),” American Concrete Institute, Farmington Hills, MI, 52 pp. Beaupré, D., and Jolin, M., 2001, “Effect of Shotcrete Consistency and Nozzleman Experience on Reinforcement Encasement Quality,” Shotcrete, V. 3, No. 4, Fall, pp. 20-23. EPA, 2012, “Municipal Solid Waste Generation, Recycling, and Disposal in the United States: Facts and Figures for 2012,” U.S. Environmental Protection Agency, Washington, DC, 14 pp. Fily-Paré, I., and Jolin, M., 2013, “The Use of Recycled Glass in Shotcrete,” Shotcrete, V. 15, No. 4, Fall, pp. 14-16. Gagnon, A., 2016, “ASA Graduate Scholarship 2015-2016 Research Update,” Shotcrete, V. 18, No. 2, Spring, p. 12. Nacif, G. L.; Panzera, T. H.; Strecker, K.; Christoforo, A. L.; and Paine, K., 2013, “Investigations on Cementitious Shotcrete • Fall 2016 31


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