Volume 18, Number 3 Summer 2016 Features 10 Shotcrete Panels for Evaluation and Testing By Chris Zynda 16 Guide to Shotcrete By Lars Balck 22 ACI Committee 506, Shotcreting—Activities Update By Marc Jolin 35 ACI Materials Journal reprint Comparative Evaluation of Transport Properties of Shotcrete Compared to Cast-in-Place Concrete By Lihe Zhang, Dudley Morgan, and Sidney Mindness Departments 2 ASA President’s Message — Bill Drakeley 4 Committee Chair Memo — Andrea Scott 6 Executive Director Update — Charles S. Hanskat 26 Pool & Recreational Shotcrete Corner — Chris Zynda 30 Technical Tip — Charles S. Hanskat 48 Goin’ Underground — Vishwajeet Ahuja and Benoit Jones 56 Shotcrete Corner — Jim Farrell 60 Safety Shooter — Mike Munyon and Frank E. Townsend III 64 Corporate Member Profile — LRutt Contracting Ltd. 66 Association News 68 New ASA Members 70 Industry News 74 Shotcrete Calendar 76 New Products & Processes 78 Shotcrete FAQs 80 Index of Advertisers On the cover: Thick, heavily-reinforced shotcreted project preconstruction panels with cores extracted for evaluation. Photo courtesy of Chris Zynda. Shotcrete is a quarterly publication of the American Shotcrete Association. For information about this publication or about membership in the American Shotcrete Association, please contact ASA Headquarters at: American Shotcrete Association 38800 Country Club Dr., Farmington Hills, MI 48331 Phone: (248) 848-3780 • Fax: (248) 848-3740 E-mail: email@example.com Website: www.shotcrete.org To unsubscribe, please go to www.shotcrete.org/pages/products-services/e-remove.asp The opinions expressed in Shotcrete are those of the authors and do not necessarily represent the position of the editors or the American Shotcrete Association. Copyright © 2016 Executive Director Charles S. Hanskat Advertising/Circulation Manager Alice L. McComas Technical Editors Charles S. Hanskat and Lihe (John) Zhang Editing Barry M. Bergin (Manager), Carl Bischof, Tiesha Elam, Kaitlyn J. Hinman, Kelli R. Slayden Graphic Design Susan K. Esper, Ryan M. Jay, Aimee M. Kahaian, Gail L. Tatum Publications Committee Ted Sofis (Chair), Patrick Bridger, Cathy Burkert, Oscar Duckworth, Marc Jolin, Dudley R. (Rusty) Morgan, Tom Norman, Ryan Poole, Raymond Schallom III, Marcus H. von der Hofen, Curt White, Ezgi Yurdakul, Lihe (John) Zhang ASA OFFICERS President Bill Drakeley Drakeley Industries Vice President Scott Rand King Shotcrete Solutions Secretary Larry Totten Consultant Treasurer Lihe (John) Zhang LZhang Consulting & Testing Ltd. Past President Marcus H. von der Hofen Coastal Gunite Construction Co. ASA COMMITTEE CHAIRS Contractor Qualification Committee Chris Zynda JJ Albanese Education Committee Oscar Duckworth Valley Concrete Services Marketing Committee Joe Hutter King Shotcrete Solutions Membership Committee Cathy Burkert American Concrete Restorations Pool & Recreational Bill Drakeley Shotcrete Committee Drakeley Industries Publications Committee Ted Sofis Sofis Company, Inc. Safety Committee Andrea Scott HydroArch Technical Committee Lihe (John) Zhang LZhang Consulting & Testing Ltd. Underground Committee Axel G. Nitschke Shannon & Wilson Inc.
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