Plastic Filter Fabrics Have Bright Future

by Richard N. Seemel, (F.ASCE), Constr. Mgr.; Bechtel Quebec Ltd., Quebec, Canada,


Serial Information: Civil Engineering—ASCE, 1976, Vol. 46, Issue 3, Pg. 57-59


Document Type: Feature article

Abstract: There are thousands of existing installations using filter fabrics in North America and additional thousands in Europe, most built in the past 10 years. The momentum is gathering. Filter fabrics are especially attractive for small jobs, where it is difficult to control placement of small volumes of sand and gravel in a graded filter. With material costs ranging from –0.10 to –1.10/ft², and installation costs from –0.02 to –0.25/ft², filter fabrics have many applications: for construction of road beds, particularly in boggy ground where natural soil has low bearing capacity; for railroad beds; for plant sites and parking lots; for shore-protection structures, such as revetments, breakwaters, and jetties; for French drains; sleeves around perforated pipes; and underdrains in highway and airport pavements.

Subject Headings: Fabrics | Filters | Subgrades

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