Extremely large post-liquefaction deformations of saturated sand under cyclic torsional shear loading

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dc.contributor.authorChiaro, Gabriele
dc.contributor.authorKiyota , Takashi
dc.contributor.authorDe Silva , Laddu Indika Nalin
dc.contributor.authorSato , Takeshi
dc.contributor.authorKoseki , Junichi
dc.date.accessioned2024-12-09T22:20:11Z
dc.date.available2024-12-09T22:20:11Z
dc.date.issued2009
dc.description.abstractThe effect of static shear stress on the undrained cyclic behavior of saturated Toyoura sand was studied by conducting a series of torsional shear tests up to double amplitude shear strain of about 100%. After being isotropically consolidated, the specimens were subjected to drained monotonic torsional shear loading, and then, cyclic torsional shear stress was applied under undrained condition. The amplitude of combined static and cyclic shear stress was kept constant by correcting the measured value for the effect of membrane force. Based on these test results, it was found that the effective stress path and the stress-strain curve were affected by the initial static shear stress. Accumulation of shear strain was clearly noticed in the same direction where the static shear stress was applied. Localization of specimen deformation, which increases with the shear strain level, was observed.
dc.identifier.citationChiaro G, Kiyota T, De Silva LIN, Sato T, Koseki J (2009). Extremely large post-liquefaction deformations of saturated sand under cyclic torsional shear loading. Alexandria, Egypt: Earthquake Geotechnical Engineering Satellite Conference, 17th ICSMGE. 02/10/2009-03/10/2009. 10pp-.
dc.identifier.urihttps://hdl.handle.net/10092/107606
dc.rightsAll rights reserved unless otherwise stated
dc.rights.urihttp://hdl.handle.net/10092/17651
dc.subjectlarge strain
dc.subjectliquefaction
dc.subjectmembrane force
dc.subjectsand
dc.subjectstatic shear stress
dc.subjecttorsional shear test
dc.subject.anzsrc41 - Environmental sciences::4106 - Soil sciences
dc.subject.anzsrc40 - Engineering::4017 - Mechanical engineering::401707 - Solid mechanics
dc.titleExtremely large post-liquefaction deformations of saturated sand under cyclic torsional shear loading
dc.typeConference Contributions - Published
uc.collegeFaculty of Engineering
uc.departmentCivil and Natural Resources Engineering
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