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Author: Nathan Coughenour

Winnipeg 2025

Slurry Trenching – Design Specification Impacts on Cost and Constructability
Nathan Coughenour, Daniel Ruffing

St. John's 2019

Case Study: Installation of a Soil-Cement-Bentonite Groundwater Cutoff Wall in Argentia, NL
Nathan Coughenour, Daniel Ruffing

Case study: Design-build of a cement-bentonite groundwater cutoff wall in Fort-McMurray
Nathan Coughenour, Daniel Ruffing, Steve Artman

Edmonton 2018

Lessons Learned: Self-Hardening Slurries in Slurry Trenching
Nathan Coughenour, Daniel Ruffing, Jeffrey Evans

Soil Mix Shear Keys at Dam Toe in Peat
Daniel Ruffing, Pete Craig, Nathan Coughenour

Ottawa 2017

Bulk Excavation of Saturated Soils in an Urban Context – Application of a Cement-Bentonite (CB) SlurrySupported “Piano Key” Approach
Nathan Coughenour, Tony Moran, Pete Craig, Blake Thompson

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