Capping with Fiber Clay

by Carsten H. Floess, Geotechnical Engineering Project Manager; Clough, Harbour & Associates, III Winners Circle, Albany, NY 12205,
Raymond F. J. Smith, Erving Paper Co., RFD 14X Mountain Rd., Gill, MA 01376,
Robert H. Hitchcock, Clough, Harbour & Associates, II King Court, Keene, NH 03431,

Serial Information: Civil Engineering—ASCE, 1995, Vol. 65, Issue 8, Pg. 62-63

Document Type: Feature article


Landfill-cap construction is expensive and often results in economic hardship, especially for small towns. Costs for conventional clay or geomembrane caps for municipal solid-waste landfills in the Northeast can approach $100,000 per acre. Three landfills, in Hubbardston, Mass., Corinth, N.Y., and Marlborough, N.H., sought to improve the process and become the first in their respective states to use fiber clay--collected from the waste of paper mills--as barrier-layer material. Now, other municipalities are considering fiber-clay landfill caps and a new project is under way in Montague, Mass. A money-saver for both the mill, which saves disposal costs, and the town, the innovative process serves as a true example of a win-win situation.

Subject Headings: Clays | Landfills | Materials processing | Local government | Fabrics | Benefit cost ratios | Solid wastes

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