Compressibility and shear strength of a residual soil

Yahia E.A. Mohamedzein*, Mohammed H. Aboud

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A detailed study was performed to investigate the compressibility and the shear strength of a residual soil in Omdurman, Sudan. The soil resulted from weathering of sandstone and mudstone. The soil is classified as sandy clayey silt (MH-CH) and is generally partially saturated. Consolidation tests were performed to study the compressibility of the soil and UU, CIU and insitu tests (CPT and SPT) were performed to study the shear strength characteristics of the soil. The characteristics of this residual soil can generally be predicted using correlations proposed in the literature for transported soils. The soil is of low to medium compressibility and exhibits slight apparent overconsolidation behavior. The soil dilates during shear and shows no long term effective cohesion. Problems associated with open cuts in this soil are attributed to loss of strength upon saturation.

Original languageEnglish
Pages (from-to)1385-1401
Number of pages17
JournalGeotechnical and Geological Engineering
Volume24
Issue number5
DOIs
Publication statusPublished - Oct 2006

Keywords

  • Compressibility
  • Correlations
  • Residual soils
  • Shear strength

ASJC Scopus subject areas

  • Architecture
  • Geotechnical Engineering and Engineering Geology
  • Soil Science
  • Geology

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