Subways Files

2013 ISEC-7 Paper - Using Chemical Grout to Control Groundwater Infiltration

Jim Gentry, Daniel Magill ISEC-7 2013

  • Chemical grouting has been successfully used for over forty years to control the movement of groundwater in a wide variety of applications including tunnels, subway systems, sanitary sewers, mines and construction projects.
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Flyer: Foundation Grout Solutions

Avanti 2012

  • AvantiGrout - multiple grout solutions for stabilizing soil and controlling groundwater - before, during and after construction.
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Magazine Article: Sorting Out the Grout

Britt N. Babcock, PE, Director, Geotechnical Division World Tunnelling 2013

  • Tunnel contractors can choose whether to use cement or chemical grouts. To help them out, Britt Babcock discusses both types, which to use, when to use them and why...and an idea of how much it will all cost.
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News: Mitigating Inflow Due to Both Primary and Secondary Permeability in Mining

Brad Crenshaw, PE - General Manager - Ground Engineering Contractors AEG News 2013

  • Groundwater infiltration can be due to either primary or secondary permeability. When both types of permeability are present, mitigation requires versatility and cooperation between multiple project participants.
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White Paper: Cement Grout vs. Chemical Grout

Britt N. Babcock, PE, Director, Geotechnical Division Avanti 2013

  • Cement Grout vs. Chemical Grout: Which One to Use, When, and Why. A White Paper providing guidance to the Geotechnical Community
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Magazine Article: To Grout Or Not To Grout?

Brad Crenshaw, P.E. P.G., Scott Langley, Vic Daiber, P.E. P.L.S., Donald Rigby World Coal 2013

  • Groundwater can bring an underground mining operation to its knees, but it can be controlled with ingenuity, co-operation and grout expertise
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Magazine Article: Toronto Successfully Using Acrylamide Grout to Stop Tunnel Leaks

L.Narduzo, P.E., Leak Remediation Engineer for Toronto Transit Commission Underground Construction Magazine 2003

  • The Toronto Transit Commission (TTC) is responsible for one of the largest public transportation systems in North America. The tunnel leak remediation program was built around a solid foundation of expertise in the specialty field of grouting.
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Flyer: Geotechnical Project Overview

Avanti 2011

  • A list of sample geotechnical projects. Over 90 case studies may be found at www.AvantiGrout.com.
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Flyer: Stops Leaks in Concrete Structures

Avanti 2011

  • Avanti International chemical grouts can stop leaks in: cracks or joints, precast structures, dams and reservoirs, mines and tunnels, and manholes.
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NASSCO Tech Tips: Curtain Grouting Manholes and Underground Structures

Daniel Magill NASSCO 2010

  • Picture this: You’re standing in a brick manhole that is 50 years old and leaking extensively all around you. You’ve already been working for over an hour and for every leak you stop, several new leaks pop up. Now what?
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Rembco: When Grouting - Don't Forget the Soil

Richard M. Berry, MASCE Rembco 2000

  • When soil or rock improvement or modification is needed, grouting is one of the options called for.
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We Kept the Airplanes Flying with Chemical Grout!

Jackie Spurling, P.E., Vice President, Stanley Engineering Company, Houston, TX Avanti International 2000

  • In 1997, serious leaks developed at George Bush Intercontinental Airport in a long utility tunnel connecting a passenger terminal with the central plant.
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Costs of Chemical Grout: What Would You Spend?

David Magill Avanti 2009

  • Are you spending thousands of dollars each year treating clean water? Recent studies and over 50 years of experience indicate that America's first trenchless technology is still the best, most cost-effective, long-term defense against infiltration.
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News: Rembco Undertakes New Project for Hazardous Waste Containment at ORNL

Avanti News + Views 2005

  • "Locking hazardous materials in place is almost always safer and more cost effective than removing them for treatment, and there typically is no ongoing maintenance" -Clay Griffin, President of Rembco Geotechnical Contractors, Inc.
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Magazine Article: Acrylamide Grout Aces 20-Year Test

Greg Thompson Trenchless Technology 2008

  • Grouting has occasionally been thought of as a more temporary solution, a stop-gap. But recent testing of two 20-year old acrylamide grout rehab projects indicate that grout can certainly stand the test of time.
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