NDLI: Triaxial tests on the fluidic behavior of post-liquefaction sand

Content Provider	Springer Nature Link
Author	Huang, Yu Zheng, Hu Mao, Wuwei Huang, Maosong Li, Guanghui
Copyright Year	2012
Abstract	Liquefaction-induced ground deformation is a major cause of structural damage during earthquakes. However, a better understanding of seismic liquefaction is needed to improve earthquake hazard analyses and mitigate structural damage. In this paper, a dynamic triaxial test apparatus was employed to investigate the fluidic characteristics of post-liquefaction sand. The specimens were vibrated to the point of liquefaction by dynamic loading, and then the liquefied sand was further sheared by triaxial compression in an undrained manner. It was found that a non-Newtonian fluid model can accurately describe the shear stress and the shear strain rate of post-liquefaction sand during undrained triaxial compression. The apparent viscosity, a major parameter in a constitutive model of a non-Newtonian fluid, decreases with an increase in the shear strain rate.
Starting Page	2325
Ending Page	2330
Page Count	6
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	67
Issue Number	8
e-ISSN	18666299
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-04-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Post-liquefaction Sand Triaxial test Fluid mechanics Apparent viscosity Geology
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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