Soil Mechanics and Foundation Engineering

, Volume 54, Issue 2, pp 102–109 | Cite as

Laboratory Investigation of Deformation and Strength Characteristics of Saline Frozen Silty Sand

  • Kai Hu
  • Xiaoqing Chen
  • Jiangang Chen
EXPERIMENTAL INVESTIGATIONS
  • 43 Downloads

A series of triaxial compressive strength tests was conducted to investigate the effect of Na 2 SO 4 and confining pressure on the deformation and strength characteristics of frozen silty sand at 6°C. The initial elastic modulus increased with increases in the salt content, whereas the confining pressure had only a slight effect. An increase in the confining pressure resulted in an increase in strength. The results illustrated that the cohesion of the frozen soil initially increased and then decreased with increase in the Na2SO4 content, whereas the internal friction angle as well as the strength exhibited a decrease followed by an increase with increase in the Na2SO4 content.

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Kai Hu
    • 1
    • 2
  • Xiaoqing Chen
    • 1
  • Jiangang Chen
    • 1
  1. 1.CAS Key Laboratory of Mountain Hazards and Surface ProcessesInstitute of Mountain Hazards and EnvironmentChengduChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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