Slurry Trenches for Containing Hazardous Wastes

by Gilbert Tallard, (M.ASCE), Consulting Engr.; Pelham, N.Y.,

Serial Information: Civil Engineering—ASCE, 1984, Vol. 54, Issue 2, Pg. 41-45

Document Type: Feature article


Slurry trench technology has not advanced much during the past 10 years due to a lack in research and development, the excerbated litigious climate in the environmental protection field, and the lack of cooperation between all the parties involved in a project. This article reviews the state of the art in soil bentonite and cement bentonite trenches, discusses how to improve their longevity through better placement and chemical additives, critiques today's laboratory testing practices and makes recommendations for future testing of slurry walls, and describes alternative technologies (such as the jet grouting panel wall and the vibratory beam technique) and future developments in slurry wall design.

Subject Headings: Diaphragm walls | Trenches | Soil tests | Soil cement | Sludge | Laboratory tests | Chemical additives

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