Doboku Gakkai Ronbunshuu C
Online ISSN : 1880-604X
ISSN-L : 1880-604X
Paper (In Japanese)
INFLUENCE OF VOID RATIO ON THE DEFORMATION OF UNSATURATED SANDY SOIL UNDER SUCTION UNLOADING WITH ANISOTROPIC STRESS CONDITION
Katsuo SASAHARA
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JOURNAL FREE ACCESS

2010 Volume 66 Issue 4 Pages 824-835

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Abstract
  In order to examine the influence of void ratio on the collapse of the soil due to rainfall infiltration, suction unloading tests under anisotropic stress condition are implemented for specimens with different voild ratio. Not only loose specimens, but also dense specimens, with smaller void ratio than critical void ratio corresponding to specific suction, are compressed with suction unloading. If the initial void ratio is larger, the compression is also larger. The relationship between the reduction of void ratio and the increase of volumetric water content during suction unloading isn’t enfluenced by initial void ratio.
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© 2010 by Japan Society of Civil Engineers
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