Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20165
Title: Undrained creep behavior of a silty clay in triaxial tests
Authors: Zhu, JG
Zhao, YH
Yin, JH 
Keywords: Clays
Creep
Silts
Triaxial tests
Issue Date: 2011
Source: Geotechnical special publication, 2011, v. , no. 222 GSP, p. 139-146 How to cite?
Journal: Geotechnical Special Publication 
Abstract: A number of undrained triaxial creep tests were performed for remolded Hong Kong marine clay (HKMC). The tests performed include three types: (1) three single-load-staged undrained triaxial compression creep tests; (2) one multi-load-staged undrained triaxial compression creep test, and (3) one multi-load-staged undrained triaxial extension creep test. Based on the test results, the undrained creep stress-strain Behavior are investigated. It is found that the relationship of axial strain rate (ε̇ a) against time (logt) for the single-load-staged creep tests is nearly linear, and for different creep loads the slopes of lines are almost the same. In multi-staged creep test, however, the creep deformation of current step will be affected by the current deviator stress as well as the creep history in the previous step. The parameters, m and α, will not be a constant, but changes with the current deviator stress and stress history. Based on the test results, two equations are found to determine the parameters of m and α.
Description: 2011 GeoHunan International Conference - Instrumentation, Testing, and Modeling of Soil and Rock Behavior, Hunan, 9-11 June 2011
URI: http://hdl.handle.net/10397/20165
ISBN: 9780784476338
ISSN: 0895-0563
DOI: 10.1061/47633(412)19
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