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2016SpringShotcreteEMag

Volume 18, Number 2 Spring 2016 Features 14 East End Crossing By Marcus H. von der Hofen 18 The Need for Shotcrete Provisions for State DOTs By Dennis Bittner 22 Case Study The Use of Slag Cement, Alkali-Free Accelerator, and Macro-Synthetic Fibers in Wet-Mix Shotcrete for Tunnel Applications By Ezgi Yurdakul, Klaus-Alexander Rieder, Niki Jackson, Mick Pawelski, Arthur Kyriazis, and Lukasz Debny 30 Changing a Culture Takes Time By Mark Croarkin Departments 2 ASA President’s Message — Bill Drakeley 4 Committee Chair Memo — Tom Norman 6 ASA Strategic Plan — Scott Rand 10 Executive Director Update — Charles Hanskat 12 ASA Graduate Student Scholarship 32 Sustainability — Ezgi Yurdakul, Klaus-Alexander Rieder, and Diego Granell Nebot 38 Shotcrete Corner — Brian MacNeil 40 Technical Tip — Joey Bell 42 Pool & Recreational Shotcrete Corner — Lily Samuels and Bill Drakeley 46 Goin’ Underground — Jason Zignego 50 Nozzleman Knowledge — Raymond Schallom III 56 Safety Shooter — Ted Sofis 58 Corporate Member Profile — Schwing America Inc. 60 Industry News 65 Association News 68 New Products & Processes 70 Shotcrete FAQs 72 Shotcrete Calendar 74 New ASA Members 76 Index of Advertisers On the cover: Rankin Bridge rehabilitation, Pittsburgh, PA 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: info@shotcrete.org 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 Hanskat Advertising/Circulation Manager Alice L. McComas Technical Editors Charles Hanskat and Marcus H. von der Hofen 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.


2016SpringShotcreteEMag
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