Tunnel Business Magazine

JUN 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.

Issue link: http://digital.tunnelingonline.com/i/986315

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Page 21 of 51

TUNNELINGONLINE.COM TBM: TUNNEL BUSINESS MAGAZINE // JUNE 2018 F E A T U R E S T O RY 2 2 Groundwater –The Relentless Enemy A nybody who has been fortunate enough to work with renowned geotechnical consultant Ron Heuer has been blessed with his colorful word pictures that bring geotech- nical concepts to life for us common folk. "Grout is dumb and slow, but groundwater is smart and tenacious" is a good example. We may not have stated it quite like that, but his point is crystal clear– groundwater is a fierce and unrelenting enemy. When- BY PAUL C. SCHMALL & GARY E. TAYLOR Specialty geotechnical contractors such as Hayward Baker, Moretrench – now a Hayward Baker Company – and others have long been key players in advanc - ing the state of the groundwater control practice in the United States. The authors, both industry specialists, discuss the realm of groundwater control methods currently in use. Ground freezing for cross passage mining.

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