Effects of Particle Size Distribution on Shear Strength of Accumulation Soil
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Volume 139, Issue 11
Abstract
This paper focuses on the effects of particle size distribution on shear strength of accumulation soil. A series of direct shear box tests and triaxial tests were performed to characterize the shear strength of the accumulation soil. Results from the direct shear tests indicate that the range of the angle of shearing resistance of the accumulation soil is 33.5–54.6°, and those from the triaxial tests indicate that the angle is 37.2–50.7°. The basic properties of the soil, such as median particle diameter, coefficient of uniformity, and gravel content, were used to analyze the effects. The angle of shearing resistance is generally increasing with increasing median particle diameter and gravel content and decreasing with increasing coefficient of uniformity.
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Acknowledgments
The authors gratefully acknowledge the financial support from the National Science and Technology Support Programs in P. R. China under Grant No. 2012BAB05B04, and the Chongqing Science & Technology Commission of China under Grant No. cstc2013jcyja30009 and cstc2013jcyja30006.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 139 • Issue 11 • November 2013
Pages: 1994 - 1997
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Aug 1, 2012
Accepted: Mar 20, 2013
Published online: Mar 22, 2013
Published in print: Nov 1, 2013
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