Undrained behavior of Macau Marine clay with various strain rates and different stress histories

doi:10.1007/978-981-10-6713-6_81

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	Undrained behavior of Macau Marine clay with various strain rates and different stress histories
	Wu，Shengshen 1,2; Lok，Thomas1 ; Zhou，Annan 2
Corresponding Author	Wu,Shengshen
	2019-01-26
Abstract	Hydro-mechanical behaviors of a saturated clay with various strain-rate and different stress histories are investigated through a series of consolidated-undrained and K consolidated undrained (K CU) tests which were conducted on reconstituted specimens. The samples were taken from an excavation site in Macau and reconstituted in the laboratory to provide homogenous specimens. A total of four CU tests and four K CU tests were undertaken on 38 mm diameter samples. The samples were saturated first by use back pressure saturation method (back pressure 200 kPa), after saturation, they were loaded to a confining stress 400 kPa and then unload to 50 kPa, 100 kPa, 200 kPa, 400 kPa (OCR = 8, 4, 2, 1) and finally were sheared at constant shear rate (0.1%/h, 1%/h, 10%/h) to failure. In this research the responses of marine clay under various strain rates under different OCRs on the strain-rate effects will be discussed, parameters for accounting the strain-rate effects on undrained shear strength will be proposed.
Keyword	Over-consolidation ratios Shear strength Strain rate Triaxial
DOI	10.1007/978-981-10-6713-6_81
URL	View the original
Pages	816-826
Language	英語English
Fulltext Access	View Full-Text via DOI View Full-Text via Scopus
Citation statistics
Document Type	Book
Collection	Personal research not belonging to the institution
Affiliation	1.University of Macau,Macau,China 2.RMIT University,Melbourne,Australia
First Author Affilication	University of Macau
Recommended Citation GB/T 7714	Wu，Shengshen,Lok，Thomas,Zhou，Annan. Undrained behavior of Macau Marine clay with various strain rates and different stress histories[M],2019.
APA	Wu，Shengshen,Lok，Thomas,&Zhou，Annan.(2019).Undrained behavior of Macau Marine clay with various strain rates and different stress histories. .

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