Strain rate behaviour of Saint-Jean-Vianney clay
作者:
Y. P. Vaid,
P. K. Robertson,
R. G. Campanella,
期刊:
Canadian Geotechnical Journal
(NRC Available online 1979)
卷期:
Volume 16,
issue 1
页码: 34-42
ISSN:0008-3674
年代: 1979
DOI:10.1139/t79-004
出版商: NRC Research Press
数据来源: NRC
摘要:
Rate effects on one-dimensional compressibility and undrained shear strength of a heavily overconsolidated naturally cemented clay have been studied. It is shown that in constant rate-of-strain consolidation tests the compressibility increases and the apparent preconsolidation pressure decreases with progressive decrease in rate of strain. Also a decrease in undrained strength is shown to occur with slower rates of strain in constant rate-of-strain shear and with increased time of sustained loading in creep tests. Undrained strengths from the two types of shear tests have been correlated.
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