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The Cover Trials

by George R. Koerner, Asst. Dir.; Geosynthetic Inst., Folsom, PA; and Res. Assoc Prof., Drexel Univ., Philadelphia, PA,
David A. Carson, Envir. Engr.; U.S. EPA, National Risk Mgmt. Res. Lab., Cincinnati, OH,


Serial Information: Civil Engineering—ASCE, 1999, Vol. 69, Issue 4, Pg. 42-45


Document Type: Feature article

Abstract:

Soil erosion-control covers have been used over closed landfills for years as a means of limiting soil loss and contaminant runoff. Since 1994, the U.S. Environmental Protection Agency has been conducting a full-scale test of two types of geosynthetic erosion control materials� erosion control blankets (ECBs) and turf-reinforcement mats (TRMs). Based on visual observation, the ongoing study shows that TRMs work best on steeper slopes, while ECBs are a cost-effective solution for shallower ones. More quantitative tests would be the next logical step in evaluating their performance.

Subject Headings: Erosion | Soil pollution | Soil loss | Mortars | Slopes | Runoff | Pollutants

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