Chapter
Apr 26, 2012
Modification of Subloading tij Model for Soft Rock
Authors: Maiko Iwata [email protected], Atsushi Yashima [email protected], Kazuhide Sawada [email protected], Masaya Hinokio [email protected], and Ryota OtsuAuthor Affiliations
Publication: Soil Behavior and Geo-Micromechanics
Abstract
Soft rock ground is widely distributed in Japan and slope failure of soft rock occurs frequently. It is necessary to understand the mechanical behavior of soft rock and to develop a constitutive model which can appropriately express the mechanical behavior of soft rock. In this research, a series of drained triaxial compression tests were carried out to modify the original constitutive model proposed by Nakai and Hinokio (2004). Based on the experimental results, the change of the yield surface during the shearing process was proposed. As the result, the stress-strain behaviors under different confining stresses were reproduced quantitatively by a modified constitutive model.
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Published In
Soil Behavior and Geo-Micromechanics
Pages: 117 - 122
Copyright
© 2010 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Affiliations
Graduate student, Department of Civil Engineering, Gifu University, Yanagido 1-1, Gifu, 501-1193.E-mail: [email protected]
Professor, Department of Civil Engineering, Gifu University, Yanagido 1-1, Gifu, 501-1193.E-mail: [email protected]
Associate Professor, River Basin Research Center, Gifu University, Yanagido 1-1, Gifu, 501-1193.E-mail: [email protected]
Associate Professor, Department of Civil Engineering, Gifu University, Yanagido 1-1, Gifu, 501-1193.E-mail: [email protected]
Ryota Otsu
Staff, Waterworks & Sewerage Bureau, Nagoya City Office, 2-45, Toyomae-cho, Higashi-ku, Nagoya, 461-0034
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