Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25481
Title: Strain-rate-dependent stress-strain behavior of overconsolidated Hong Kong marine clay
Authors: Zhu, JG
Yin, JH 
Keywords: Clay
Overconsolidated
Pore-water pressure
Shear strength
Strain-rate effects
Triaxial
Issue Date: 2000
Source: Canadian geotechnical journal, 2000, v. 37, no. 6, p. 1272-1282 How to cite?
Journal: Canadian Geotechnical Journal 
Abstract: A total number of 24 consolidated undrained triaxial shear tests on reconsolidated saturated Hong Kong marine clay (HKMC) have been performed in both compression and extension shear states. The specimens were prepared in four different overconsolidation ratios (OCRs) and sheared at three different axial strain rates. The strain-rate dependency of undrained shear strength, pore-water pressure, stress path, and secant Young's modulus are investigated. The influence of OCR on the stress-strain-strength behavior of HKMC is also examined. The results of all tests are presented and interpreted. The interpreted results are compared with the results in the literature. For the HKMC with OCR varying from 1 to 8, the average value of the strain-rate parameter ρ̄0.15 is 5.5% for compression tests and 8.4% for extension tests. Most interpreted results are conclusive and consistent with the published results, whereas some results are not conclusive. A new parameter for describing the strain-rate dependency of undrained shear strength of overconsolidated soil is introduced.
URI: http://hdl.handle.net/10397/25481
ISSN: 0008-3674
DOI: 10.1139/cgj-37-6-1272
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