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Article: Geotechnical characterization of Macau marine deposits

TitleGeotechnical characterization of Macau marine deposits
Authors
KeywordsAtterberg's limits
Clays
Critical state
Earth pressure coefficient at rest
Minerals
Undrained shear strength
Issue Date2010
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/enggeo
Citation
Engineering Geology, 2010, v. 113 n. 1-4, p. 62-69 How to Cite?
AbstractSamples of marine deposits retrieved at an onshore old reclamation site on the north coast of Taipa, Macau were studied. Samples located from 6m to 17m below the existing ground were retrieved from three boreholes where field vane shear tests were performed close to one of them. The soil is very soft and the results reveal that the deposits are normally consolidated. In addition to common geotechnical classification tests, X-ray diffraction and scanning electron microscope analyses were carried out. Oedometer tests, K0-compression and undrained triaxial shear tests were performed on intact as well as laboratory remolded specimens. The deposits resemble typical soft clay behavior in terms of compressibility and permeability. However, the soils exhibit a surprisingly high K0-value which is believed to be caused by the presence of salts during the sedimentation process. Critical state of the soil is presented and two unique critical state lines in the e-ln p′ space are found for the deposits at different depths. © 2010 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/91206
ISSN
2015 Impact Factor: 2.196
2015 SCImago Journal Rankings: 1.810
ISI Accession Number ID
Funding AgencyGrant Number
Fundo para o Desenvolvimento das Ciencias e da Tecnologia (FDCT), Macau SAR government013/2006/A1
Research Committee, University of MacauRG053/06-07S/YWM/FST
Funding Information:

The experimental work was carried out in the first and second author's capacity as an Assistant Professor and Research Assistant respectively at the University of Macau. The authors would like express their gratitude to the Fundo para o Desenvolvimento das Ciencias e da Tecnologia (FDCT), Macau SAR government (Grant number 013/2006/A1) and the Research Committee, University of Macau (Grant number RG053/06-07S/YWM/FST) for their financial assistance.

References

 

DC FieldValueLanguage
dc.contributor.authorYan, WMen_HK
dc.contributor.authorMa, Yen_HK
dc.date.accessioned2010-09-17T10:14:53Z-
dc.date.available2010-09-17T10:14:53Z-
dc.date.issued2010en_HK
dc.identifier.citationEngineering Geology, 2010, v. 113 n. 1-4, p. 62-69en_HK
dc.identifier.issn0013-7952en_HK
dc.identifier.urihttp://hdl.handle.net/10722/91206-
dc.description.abstractSamples of marine deposits retrieved at an onshore old reclamation site on the north coast of Taipa, Macau were studied. Samples located from 6m to 17m below the existing ground were retrieved from three boreholes where field vane shear tests were performed close to one of them. The soil is very soft and the results reveal that the deposits are normally consolidated. In addition to common geotechnical classification tests, X-ray diffraction and scanning electron microscope analyses were carried out. Oedometer tests, K0-compression and undrained triaxial shear tests were performed on intact as well as laboratory remolded specimens. The deposits resemble typical soft clay behavior in terms of compressibility and permeability. However, the soils exhibit a surprisingly high K0-value which is believed to be caused by the presence of salts during the sedimentation process. Critical state of the soil is presented and two unique critical state lines in the e-ln p′ space are found for the deposits at different depths. © 2010 Elsevier B.V.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/enggeoen_HK
dc.relation.ispartofEngineering Geologyen_HK
dc.subjectAtterberg's limitsen_HK
dc.subjectClaysen_HK
dc.subjectCritical stateen_HK
dc.subjectEarth pressure coefficient at resten_HK
dc.subjectMineralsen_HK
dc.subjectUndrained shear strengthen_HK
dc.titleGeotechnical characterization of Macau marine depositsen_HK
dc.typeArticleen_HK
dc.identifier.emailYan, WM:ryanyan@hku.hken_HK
dc.identifier.authorityYan, WM=rp01400en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.enggeo.2010.03.001en_HK
dc.identifier.scopuseid_2-s2.0-77952293438en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77952293438&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume113en_HK
dc.identifier.issue1-4en_HK
dc.identifier.spage62en_HK
dc.identifier.epage69en_HK
dc.identifier.isiWOS:000278804900006-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridYan, WM=35369531200en_HK
dc.identifier.scopusauthoridMa, Y=35756477800en_HK
dc.identifier.citeulike6863450-

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