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New Technique for Measuring Volumetric Shrinkage in Soils
Author(s) -
Overby Steven T.,
DeBano Leonard F.
Publication year - 1990
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1990.03615995005400060050x
Subject(s) - shrinkage , soil water , silicone , erosion , mineral , environmental science , soil science , materials science , mineralogy , geotechnical engineering , geology , composite material , metallurgy , paleontology
Volumetric shrinkage in soils is an important physical parameter used in soil erosion and soil mechanics studies. The American Society for Testing Materials D427 method for determining volumetric shrinkage was modified using a less toxic silicone‐mineral spirits mixture instead of liquid Hg. The silicone‐mineral spirits method yielded the same results in shrinkage as measured by the Hg method for a wide range of soils containing between 22 and 48% clay. Use of the silicone‐mineral spirits mixture decreases safety hazards associated with liquid Hg and is more economical.