Chapter
Apr 26, 2012
Influence of Laboratory-Created OCR on Large Deformation Shear Strength: Ring Shear Behaviour of Two Types of Landslide Slip Surface Soil
Authors: Shriwantha Buddhi Vithana, Seiichi Gibo, Shinya Nakamura [email protected], and Sho KimuraAuthor Affiliations
Publication: GeoFlorida 2010: Advances in Analysis, Modeling & Design
Abstract
The present paper describes an attempt to investigate the influence of induced OCR on the large displacement shear behaviour of disturbed slip surface soil using two texturally different landslide soils as source material. The higher OCR samples have showed higher peak friction coefficients and lesser shear displacements to reach the peak in contrast to the lower OCR samples. Kamenose sample have showed dialatancy at OCR = 2 as well, though in the Miaowan sample dialatancy has not been observed at OCR = 2. Preliminary results show that the laboratory created Overconsolidation values of OCR=1, OCR=2 and OCR=4 do not significantly affect the residual shear strength of the two tested soil samples.
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Published In
GeoFlorida 2010: Advances in Analysis, Modeling & Design
Pages: 3165 - 3174
Copyright
© 2010 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
Shriwantha Buddhi Vithana
Graduate student, the United Graduate School of Agric. Sci., Kagoshima University
Seiichi Gibo
Professor, Faculty of Agriculture, University of the Ryukyus
Associate Professor, Faculty of Agriculture, University of the Ryukyus, Senbaru1, Nishihara, Okinawa, Japan 9030213;. E-mail: [email protected]
Sho Kimura
Graduate student, the United Graduate School of Agric. Sci., Kagoshima University
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