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Investigation on the mechanical properties of a calcareous sand : the role of the initial fabric

Jinquan Shi, Wim Haegeman (UGent) and Joren Andries
(2021) MARINE GEORESOURCES & GEOTECHNOLOGY. 39(7). p.859-875
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Abstract
This study examines the effect of the initial fabric on the coefficient of the lateral earth pressure at rest K-0, the undrained monotonic loading strength and the liquefaction resistance of a calcareous sand from a reclamation land in Persian Gulf. K(0)consolidation, undrained compression and extension and cyclic undrained loading triaxial tests are performed on laboratory samples reconstituted by air and water pluviation, dry and moist tamping and dry funnel deposition methods. Test results show that the air pluviation and moist tamping samples own the highest and the lowest K(0)respectively. All the samples at medium loose and medium dense states show strain hardening when subjected to undrained monotonic loading. The air pluviation samples are more contractive than the other samples at the phase transformation points and the moist tamping samples exhibit an over-consolidated behavior. In the cyclic loading tests, the air pluviation and the moist tamping samples exhibit the lowest and the highest liquefaction resistance. It is shown that the evaluation and comparison of the cyclic undrained strength of various sands should take the sample preparation method into consideration scrupulously. The test results also indicate that although the mechanical property of soil sample is influenced by the fabric differences induced by sample preparation method, other factors such as homogeneity and stress history should not be neglected.
Keywords
Fabric anisotropy, undrained strength, liquefaction resistance, K-0, SHEAR BEHAVIOR, CYCLIC BEHAVIOR, EARTH PRESSURE, LIQUEFACTION, COMPRESSION, COEFFICIENT, ANISOTROPY, STRENGTH, SOILS, K-0

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MLA
Shi, Jinquan, et al. “Investigation on the Mechanical Properties of a Calcareous Sand : The Role of the Initial Fabric.” MARINE GEORESOURCES & GEOTECHNOLOGY, vol. 39, no. 7, 2021, pp. 859–75, doi:10.1080/1064119X.2020.1775327.
APA
Shi, J., Haegeman, W., & Andries, J. (2021). Investigation on the mechanical properties of a calcareous sand : the role of the initial fabric. MARINE GEORESOURCES & GEOTECHNOLOGY, 39(7), 859–875. https://doi.org/10.1080/1064119X.2020.1775327
Chicago author-date
Shi, Jinquan, Wim Haegeman, and Joren Andries. 2021. “Investigation on the Mechanical Properties of a Calcareous Sand : The Role of the Initial Fabric.” MARINE GEORESOURCES & GEOTECHNOLOGY 39 (7): 859–75. https://doi.org/10.1080/1064119X.2020.1775327.
Chicago author-date (all authors)
Shi, Jinquan, Wim Haegeman, and Joren Andries. 2021. “Investigation on the Mechanical Properties of a Calcareous Sand : The Role of the Initial Fabric.” MARINE GEORESOURCES & GEOTECHNOLOGY 39 (7): 859–875. doi:10.1080/1064119X.2020.1775327.
Vancouver
1.
Shi J, Haegeman W, Andries J. Investigation on the mechanical properties of a calcareous sand : the role of the initial fabric. MARINE GEORESOURCES & GEOTECHNOLOGY. 2021;39(7):859–75.
IEEE
[1]
J. Shi, W. Haegeman, and J. Andries, “Investigation on the mechanical properties of a calcareous sand : the role of the initial fabric,” MARINE GEORESOURCES & GEOTECHNOLOGY, vol. 39, no. 7, pp. 859–875, 2021.
@article{8665826,
  abstract     = {{This study examines the effect of the initial fabric on the coefficient of the lateral earth pressure at rest K-0, the undrained monotonic loading strength and the liquefaction resistance of a calcareous sand from a reclamation land in Persian Gulf. K(0)consolidation, undrained compression and extension and cyclic undrained loading triaxial tests are performed on laboratory samples reconstituted by air and water pluviation, dry and moist tamping and dry funnel deposition methods. Test results show that the air pluviation and moist tamping samples own the highest and the lowest K(0)respectively. All the samples at medium loose and medium dense states show strain hardening when subjected to undrained monotonic loading. The air pluviation samples are more contractive than the other samples at the phase transformation points and the moist tamping samples exhibit an over-consolidated behavior. In the cyclic loading tests, the air pluviation and the moist tamping samples exhibit the lowest and the highest liquefaction resistance. It is shown that the evaluation and comparison of the cyclic undrained strength of various sands should take the sample preparation method into consideration scrupulously. The test results also indicate that although the mechanical property of soil sample is influenced by the fabric differences induced by sample preparation method, other factors such as homogeneity and stress history should not be neglected.}},
  author       = {{Shi, Jinquan and Haegeman, Wim and Andries, Joren}},
  issn         = {{1064-119X}},
  journal      = {{MARINE GEORESOURCES & GEOTECHNOLOGY}},
  keywords     = {{Fabric anisotropy,undrained strength,liquefaction resistance,K-0,SHEAR BEHAVIOR,CYCLIC BEHAVIOR,EARTH PRESSURE,LIQUEFACTION,COMPRESSION,COEFFICIENT,ANISOTROPY,STRENGTH,SOILS,K-0}},
  language     = {{eng}},
  number       = {{7}},
  pages        = {{859--875}},
  title        = {{Investigation on the mechanical properties of a calcareous sand : the role of the initial fabric}},
  url          = {{http://doi.org/10.1080/1064119X.2020.1775327}},
  volume       = {{39}},
  year         = {{2021}},
}
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