Effect of oversize particles on swell and compression of compacted unsaturated soils

Iraj Noorany, Sandra Houston

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Citations (Scopus)

Abstract

The swell or compression characteristics of compacted soils are typically studied in the laboratory by means of one-dimensional or triaxial tests. Because of the practical limitations on the size of the testing equipment, often the coarse (oversize) fraction of the soil is not included in the test specimens. In this study, the effect of oversize particles on the swell and collapse of unsaturated fills is examined analytically and by means of laboratory experiments. It is concluded that theoretical analysis coupled with laboratory tests on the fine fraction may provide reliable data only for soils with small gravel contents, probably not exceeding 15 to 25%. This is because the interference of the oversize particles with swell/compression of the fine fraction becomes significant as gravel content increases and cannot be quantified by means of tests on the fine fraction alone. Large-scale or field tests are necessary for obtaining reliable data for the heave/settlement analysis of soils containing significant amounts of gravel and cobble, especially in the case of wetting-induced compression.

Original languageEnglish (US)
Title of host publicationGeotechnical Special Publication
PublisherASCE
Pages107-121
Number of pages15
Edition56
StatePublished - 1995
Externally publishedYes
EventProceedings of the Conference of the Geotechnical Engineering Division of the ASCE in Conjunction with the ASCE Convention - San Diego, CA, USA
Duration: Oct 22 1995Oct 26 1995

Other

OtherProceedings of the Conference of the Geotechnical Engineering Division of the ASCE in Conjunction with the ASCE Convention
CitySan Diego, CA, USA
Period10/22/9510/26/95

Fingerprint

swell
Gravel
compression
gravel
Soils
soil
soil separates
testing
equipment performance
Equipment testing
compacted soils
heave
soil analysis
triaxial test
wetting
Wetting
Compaction
fill
effect
particle

ASJC Scopus subject areas

  • Soil Science
  • Building and Construction
  • Architecture

Cite this

Noorany, I., & Houston, S. (1995). Effect of oversize particles on swell and compression of compacted unsaturated soils. In Geotechnical Special Publication (56 ed., pp. 107-121). ASCE.

Effect of oversize particles on swell and compression of compacted unsaturated soils. / Noorany, Iraj; Houston, Sandra.

Geotechnical Special Publication. 56. ed. ASCE, 1995. p. 107-121.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Noorany, I & Houston, S 1995, Effect of oversize particles on swell and compression of compacted unsaturated soils. in Geotechnical Special Publication. 56 edn, ASCE, pp. 107-121, Proceedings of the Conference of the Geotechnical Engineering Division of the ASCE in Conjunction with the ASCE Convention, San Diego, CA, USA, 10/22/95.
Noorany I, Houston S. Effect of oversize particles on swell and compression of compacted unsaturated soils. In Geotechnical Special Publication. 56 ed. ASCE. 1995. p. 107-121
Noorany, Iraj ; Houston, Sandra. / Effect of oversize particles on swell and compression of compacted unsaturated soils. Geotechnical Special Publication. 56. ed. ASCE, 1995. pp. 107-121
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