Geotechnical and Geological Engineering

, Volume 30, Issue 1, pp 119–127 | Cite as

Strength Anisotropy of Compacted Decomposed Granite Soils

  • Tae-Gew Ham
  • Yukio Nakata
  • Rolando Orense
  • Masayuki Hyodo
Original paper
First Online:
Received:
Accepted:
  • 180 Downloads

Abstract

In order to investigate the strength and deformation anisotropy of compacted decomposed granite soils, a series of drained triaxial compression tests was performed on unsaturated and saturated decomposed granite soils. The specimens were subjected to compression tests such that the angle δ of the direction of the major principal stress, σ 1, during triaxial compression relative to the compaction plane (bedding plane) varies, with δ = 0°, 45° and 90°. Test results indicated that the compressive strain of the specimens subjected to isotropic consolidation was influenced strongly by the angle δ. In addition, the effect of the angle δ on the triaxial compressive strength and deformation was more evident in unsaturated specimens than in saturated specimens. Based on the test results, a procedure which can be used to estimate the shear strength of unsaturated soils taking into account various angles δ was proposed.

Keywords

Anisotropy Compacted soils Shear strength Triaxial compression Saturation 
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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Tae-Gew Ham
    • 1
  • Yukio Nakata
    • 2
  • Rolando Orense
    • 3
  • Masayuki Hyodo
    • 2
  1. 1.Daewoo Engineering CompanySeongnam CityRepublic of Korea
  2. 2.Department of Civil and Environmental Engineering, Faculty of EngineeringYamaguchi UniversityYamaguchi kenJapan
  3. 3.Department of Civil and Environmental Engineering, Faculty of EngineeringThe University of AucklandAucklandNew Zealand

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