Chapter
Apr 26, 2012
Anisotropic Undrained Back-Analysis of Embankments
Publication: Advances in Earth Structures: Research to Practice
Abstract
Residual undrained shear strength, su, of granular soils is often estimated from back analysis of post-earthquake geometry of embankments. In these analyses soil behavior is usually assumed to be inherently isotropic although saturated sandy soils exhibit strong inherent anisotropy under undrained loading. This paper presents back-analyses of two case histories of undrained instability of embankments observed during the Magnitude (Japanese Meteorological Agency) 7.8 (MJMA 7.8) Kushiro-Oki Earthquake of January 15, 1993 considering inherently anisotropic soil behavior. The residual undrained shear strengths obtained from these analyses were then compared with the corresponding estimates from conventional back-analyses which assume inherently isotropic soil behavior.
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Advances in Earth Structures: Research to Practice
Pages: 225 - 230
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Ph.D. Candidate, QIP Scholar, Department of Civil Engineering, Indian Institute of Technology, Kharagpur 721302, India.E-mail: [email protected]
Assistant Professor, Department of Civil Engineering, Indian Institute of Technology, Kharagpur 721302, India.E-mail: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.