70 Years of Soil-Bentonite Slurry Walls: So, What's New

by Christopher R. Ryan, P.E., (M.ASCE), Construction consultant in Vero Beach, FL., cryan@chrisryanpe.com,
, D.GE

Serial Information: Geo-Strata —Geo Institute of ASCE, 2021, Vol. 25, Issue 3, Pg. 62-69


Document Type: Feature article

Abstract: The soil-bentonite slurry wall (SBSW) is an established ground improvement technology that continues to find applications. It�s often the best and most economical vertical barrier to essentially stop lateral groundwater flow. In the 70 years that SBSW has existed, what have we learned? What works and what doesn�t? What�s important to include in the project specifications? This article presents some lessons learned by a longtime practitioner.

Subject Headings: Soil stabilization | Groundwater flow | Diaphragm walls | Water treatment | Project management | Economic factors

 

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