Tunnel Business Magazine

DEC 2018

TBM: Tunnel Business Magazine is the market leader for North America. TBM is written for leading professionals in all aspects of tunneling and covers project stories, design elements, contracting strategies, legal issues, new technology and more.

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TUNNELINGONLINE.COM 2 4 TBM: TUNNEL BUSINESS MAGAZINE // DECEMBER 2018 F E AT U R E S T O R Y SmartSpray 3: the next big step There remains a long road to travel before a fully automated concrete spraying system is developed. Steps tak so far have shown that we are heading in the right direction and will achieve our objective. e number one in concrete spraying automation. This includes the utilization of select scanning features in our sprayers, in order to provide a fully automat- ed concrete spraying system complete with accurate thick- ness control and reporting. Our customer's benefit through improved productivity, quality of application and concrete utilization. Total Wet Mix Shotcrete Process Ownership tter how good the equipment, if the rest of the process is not in place the shotcrete process could fail. Robotic spray au- tomation is an important part of the process in providing best placed shotcrete at best value to our customers. In addition to shotcrete spray ers a complete line of concrete transport equipment, mobile shot- crete / batchplant equipment and services, designed to meet the application and logistics challenges of the mining and tunneling industries. Construction Chemicals offers a variety of admixtures, shotcrete accelerators, fibers, and specialty products that are suitable to local cements and proj- ect conditions. We can also assist our customers in designing shotcrete mixes that will meet or exceed their shotcrete speci- fication requirements. erience, knowhow and resources to cre- ate the highest possible value to our customer's. For more infor- mation on this subje oducts and services please contact the author at lauro.lacerda@normet.com Lauro Lacerda, PE, is Manager of Ground Control and Construction Technologies for Normet Americas Inc. and based in Salt Lake City, Utah. Marjo Koivisto is a designer and marketing specialist for Normet based Helsinki, Finland. EDIT TE: This article was originally published in the Fall 2018 issue of Shotcrete magazine, published by the American Shotcrete Association (www.shotcrete.org). It is being reprinted with permission. SmartSpray 1 system being tested at Normet's R&D facilities in Finland. Tunnel portal spraying with Spraymec 8100 VC.

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