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Shotcrete Using Blast-Furnace Slag,” Shotcrete, V. 15, No. 4, Fall 2013, pp. 32-37. 5. Ishida, A.; Araki, A.; Yamamoto, K.; Morioka, M.; and Hori, A., “Application of Blended Cement in Shotcrete to Reduce the Environmental Burden,” Proceedings of the Shotcrete for Underground Support XI, Davos, Switzerland, 2009. 6. Mohajerani, A.; Rodrigues, D.; Ricciuti, C.; and Wilson, C., “Early-Age Strength Measurement of Shotcrete,” Journal Ezgi Yurdakul is a Concrete Scientist in the R&D Division at GCP Applied Technologies, Cambridge, MA. She received her PhD from Iowa State University, Ames, IA. She is currently the Vice Chair of ACI Committee 211, Proportioning Concrete Mixtures; Secretary of ACI Subcommittee 211-A, Proportioning Concrete Mixtures- Editorial; and a member of ACI Committees 212, Chemical Admixtures; 325, Concrete Pavements; 506, Shotcreting; 544, Fiber-Reinforced Concrete; and various ASA committees. Her research interests include shotcrete, mixture design optimization, chemical admixtures, and performance based specifications for concrete. Klaus-Alexander Rieder is a Global R&D Director for Concrete Products at GCP Applied Technologies, Luegde, Germany. He received his ScD in physics from the Technical University of Vienna, Vienna, Austria, in 1995. He is a member of ACI Committees 209, Creep and Shrinkage in Concrete; 215, Fatigue of Concrete; 360, Design of Slabs on Ground; 506, Shotcreting; 544, Fiber-Reinforced Concrete; Joint ACI-ASCE Committee 446, Fracture Mechanics of Concrete; and ASTM and RILEM committees. His research interests include all durability- and cracking-related aspects of concrete and the development of high-performance fibers for concrete and shotcrete applications. Niki Jackson is a Regional Shotcrete Manager of Australia and New Zealand at GCP Applied Technologies, Brisbane, Australia. He has over 16 years of experience in the concrete industry with ranging roles in pre-mix from Technical Manager, State R&D Manager, Project Manager, and Operations. He has been with GCP for 5 years. of Materials, V. 2015, 2015, 10 pp. http://dx.doi. org/10.1155/2015/470160. 7. Clements, M.J.K., and Bernard, S.E., “The Use of Macro-Synthetic Fiber-Reinforced Shotcrete in Australia,” Shotcrete, V. 6, No. 4, Fall 2004, pp. 20-22. 8. ASTM C1550-12a, “Standard Test Method for Flexural Toughness of Fiber-Reinforced Concrete (Using Centrally Loaded Round Panel),” ASTM International, West Conshohocken, PA, 2012, 14 pp. Mick Pawelski is a Business Development Representative Australia and New Zealand at GCP Applied Technologies, Brisbane, Australia. Arthur Kyriazis is a Regional Technology Manager of Australia and New Zealand at GCP Applied Technologies, Brisbane, Australia. He received his Diploma of Chemistry from RMIT University, Melbourne, Australia. He has extensive experience in R&D in admixtures and concrete design for over 30 years. Lukasz Debny is a Research & Development Engineer at GCP Applied Technologies, Brisbane, Australia. He received his MSc degree in civil engineering from Poznan University of Technology, Poznan, Poland. Since joining W. R. Grace (now GCP Applied Technologies) in 2007, Debny worked in the R&D team in Poznan Innovation Lab (Poland) responsible for managing the concrete and mortar laboratory and in Australia, focusing on R&D projects for Custom Aggregate Solutions®, shotcrete technology, and cement additives. 28 Shotcrete • Spring 2016


2016SpringShotcreteEMag
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