PROPERTIES AND USE OF FLY ASHES FOR EMBANKMENTS

This is a description of fly ashes from 3 utilities in the Delaware Valley. The ashes displayed low metals-leaching characteristics by the standard extraction procedure toxicity test. Comparisons are made with published data on other fly ashes. The discussion is limited to type-F fly ashes, whose mechanical properties are based on friction between discreet particles, as opposed to type-C ashes, which display a significant degree of self-cementing. The literature shows that the geotechnical properties of fly ash can be readily quantified by customary methods, and that the mass behavior of a compacted embankment can be predicted. The study findings show that this is also true for ashes generated in a perticular area, the Delaware Valley, for ligh-weight ashes. These and other findings are discussed.

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  • Accession Number: 00497503
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Sep 30 1990 12:00AM