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Volume 33 Issue zk1
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HUANG Bin, HE Xiao-min, TAN Fan. Experimental study on expansion model of expansive soil in state of <>K 0 stress[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 442-447.
Citation: HUANG Bin, HE Xiao-min, TAN Fan. Experimental study on expansion model of expansive soil in state of <>K 0 stress[J]. Chinese Journal of Geotechnical Engineering, 2011, 33(zk1): 442-447.
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Experimental study on expansion model of expansive soil in state of <>K 0 stress

  • Key Laboratory of Geotechnical Mechanics and Engineering of Ministry of Water Resources, Yangtze River Scientific Research Institute, Wuhan 430010, China

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  • Received Date: April 25, 2011
  • Published Date: November 30, 2011
    Graphical Abstract
    • Abstract
  • The relationships among the initial water content, compactness, cover load and expansion rate are studied through expansion experiments in the state of <>K0 stress for Handan strong expansive soil. The expansion rate under small pressure is declined sharply relative to unloading. The expansion rates under small loading (<6.25 kPa) and large loading are difficult to be described by one equation. The formulae of no-load expansion rate and loaded expansion rate are established respectively based on the compactness and the initial water content. The expansion rate between 0~6.25 kPa can be calculated by linear interpolation according to the no-load expansion rate and that under the pressure of 6.25 kPa. Finally, an expansion model in the state of <>K0 stress is established. This model is available to soil for different expensive classes and of promotional value.
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    • References (11)
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