Journal
GEOTECHNIQUE
Volume 54, Issue 7, Pages 487-493Publisher
THOMAS TELFORD PUBLISHING
DOI: 10.1680/geot.2004.54.7.487
Keywords
landfills; constitutive relations; environmental engineering; organic soils; settlement; theoretical analysis
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Expressions describing the phase composition and interphase relations for a decomposable soil are derived by distinguishing between inert and decomposable fractions. A relationship between void volume changes and decomposition of the solid fraction, effectively a constitutive relationship, is derived and described by a single parameter. Key patterns of volumetric response to decomposition are highlighted. The decomposition-induced void change parameter is shown to be capable of interpreting the sometimes episodic process of volumetric strain in a decomposable soil-like material.
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