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Volume 41 Issue 10
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ZHOU Xiong-xiong, CHI Shi-chun, JIA Yu-feng. Wetting deformation characteristics of coarse granular materials[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(10): 1943-1948. DOI: 10.11779/CJGE201910020
Citation: ZHOU Xiong-xiong, CHI Shi-chun, JIA Yu-feng. Wetting deformation characteristics of coarse granular materials[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(10): 1943-1948. DOI: 10.11779/CJGE201910020
shu

Wetting deformation characteristics of coarse granular materials

  • 1. State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China;
    2. Institute of Earthquake Engineering, School of Hydraulic Engineering, Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China

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  • Received Date: September 24, 2018
  • Published Date: October 24, 2019
    Graphical Abstract
    • Abstract
  • As the coarse granular materials are widely used in dams and roadbeds with high requirements for deformation control, it is critical to study the wetting deformation of the coarse granular materials. By analyzing the existing research results, a torsional plane relationship is put forward among the mean principal stressp, the generalized shear stress q and the ratio of wetting volumetric strain to wetting axial straink. When k is constant, the torsional plane becomes a straight line through the origin in the p-q plane. Using the above findings, the formula for calculating k is deduced, which is in the form of logarithmic function of q/p. To illustrate its rationality and practicability, some triaxial wetting tests are numerically simulated using the proposed relationships. The results show that the law and the proposed method for calculating the wetting strain of coarse granular materials are reasonable and practical.
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    • References (24)
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