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Volume 39 Issue s1
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DONG Tong, ZHENG Ying-Ren, KONG Liang, ZHE Mei. Compression method for hollow cylinder specimens of saturated remolded clay and its application[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(s1): 43-47. DOI: 10.11779/CJGE2017S1009
Citation: DONG Tong, ZHENG Ying-Ren, KONG Liang, ZHE Mei. Compression method for hollow cylinder specimens of saturated remolded clay and its application[J]. Chinese Journal of Geotechnical Engineering, 2017, 39(s1): 43-47. DOI: 10.11779/CJGE2017S1009
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Compression method for hollow cylinder specimens of saturated remolded clay and its application

  • 1. Chongqing Key Laboratory of Geomechanics Geoenvironmental Protection, Logistical Engineering University, Chongqing 401311, China;
    2. Chongqing Engineering and Technology Research Center of Geological Hazard Prevention and Treatment, Chongqing 400041, China;
    3. School of Sciences, Qingdao Technological University, Qingdao 266033, China;
    4. Institute of Civil Engineering and Construction, Chongqing Jiao Tong University, Chongqing 400074, China

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  • Received Date: November 27, 2016
  • Published Date: November 19, 2017
    Graphical Abstract
    • Abstract
  • Due to the viscosity and easy-cracked characteristics of clay, series problems, such as non-homogeneity, low-saturation and microcracks, exist in the hollow cylinder specimens generally made by using the compaction method and the consolidation method. Based on the traditional compacting instrument, a newly designed specimen presser can be employed to prepare the remolded solid and hollow cylindrical specimens by simulating the forming process of natural soils. According to the improved undercompaction method and the optimal initial undercompaction coefficient obtained by tests, the quality of each layer is controlled strictly with the same height. After being saturated by the pumping saturation method, the reliability of remolded specimens is proved considering the repeatability and mechanical properties when the specimens are used to study the deformation characteristics and the constitutive relation of soils under complex stress paths. All those may provide the assurance of long-term studies on saturated remolded clay.
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    • References (14)
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