›› 2005, Vol. 26 ›› Issue (5): 699-704.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Reversible and irreversible dilatancy of soil-structure interface

ZHANG Ga, ZHANG Jian-min   

  1. Institute of Geotechnical Engineering, Tsinghua University, Beijing 100084, China
  • Received:2004-02-02 Online:2005-05-10 Published:2013-12-17

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Abstract: The volumetric strain due to dilatancy of soil-structure interface was studied based on test results. It is found to be composed of a reversible and an irreversible dilatancy component. The irreversible dilatancy component reflects the evolution of physical state including crushing and compression of the soil. And it exhibits similar change tendency to the evolution of stress-strain relationship response. Thus, the irreversible dilatancy component could be used to measure the evolution of the behavior of the interface. The reversible dilatancy component would dilate after the compression at first due to shear application. And it obviously exhibits aeolotropical behavior, which is induced by the structural aerotropy of soil near the structure due to shear application. The dilatancy equation was derived through introducing new concepts such as effective shear strain according to mechanism analysis.

Key words: interface, reversible dilatancy, irreversible dilatancy, dilatancy equation

CLC Number: 

  • TU 43
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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