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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2013, Vol. 14 Issue (11): 767-777    DOI: 10.1631/jzus.A1300156
Civil Engineering     
Influence of natural deposition plane orientation on oedometric consolidation behavior of three typical clays from southeast coast of China
Qi-yin Zhu, Yin-fu Jin, Zhen-yu Yin, Pierre-Yves Hicher
Department of Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; LUNAM University, Ecole Centrale de Nantes, GeM UMR CNRS 6183, Nantes, France
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Abstract  The parameters obtained from oedometric consolidation tests are commonly used in the development of constitutive modeling and for engineering practice. This paper focuses on the influence of the natural deposition plane orientation on oedometric consolidation behavior of three natural clays from the southeast coast of China. Oedometer tests were conducted on intact specimens prepared by sampling at a series of angles relative to the natural deposition plane. For each specimen, yield stress, compressibility indexes, secondary compression, and permeability coefficients were determined. The influence of the sampling angle on these properties was investigated, revealing that yield stress, compression index, swelling index, creep index, ratio of secondary compression coefficient to compression index (Ce/Cc) and permeability coefficient were all dependent to some extent on the sampling angle. These findings indicate the role of the anisotropy due to the natural deposition on the oedometric consolidation behavior.

Key words： Clay      Compressibility      Consolidation      Creep      Permeability      Natural deposition     
Received: 07 May 2013      Published: 04 November 2013
CLC:  TU4  
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Qi-yin Zhu
Pierre-Yves Hicher
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Zhen-yu Yin
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Qi-yin Zhu, Yin-fu Jin, Zhen-yu Yin, Pierre-Yves Hicher. Influence of natural deposition plane orientation on oedometric consolidation behavior of three typical clays from southeast coast of China. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2013, 14(11): 767-777.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A1300156     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2013/V14/I11/767

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