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Article: Advances in suction measurements using high suction tensiometers

TitleAdvances in suction measurements using high suction tensiometers
Authors
KeywordsField measurement
High suction tensiometer
Laboratory test
Unsaturated soil
Issue Date2013
Citation
Engineering Geology, 2013, v. 165, p. 29-37 How to Cite?
AbstractSignificant advances in unsaturated soils testing have been gained through the development of high suction tensiometers allowing direct measurement of suction beyond 100. kPa. This has allowed the implementation of techniques that measure and control suction directly, where the soil is tested in the same conditions as in nature. Previously, much reliance had been placed on indirect measurements of suction and on control of suction using the axis translation technique. It is argued that this technique should be avoided as the use of an elevated air pressure does not replicate natural conditions. This paper presents advances resulting from the use of high suction tensiometers for laboratory testing and field measurements. It also describes an automated suction control system using the air circulation method that can impose controlled cycles of drying and wetting. © 2012 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/194447
ISSN
2023 Impact Factor: 6.9
2023 SCImago Journal Rankings: 2.437
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorToll, DG-
dc.contributor.authorLourenço, SDN-
dc.contributor.authorMendes, J-
dc.date.accessioned2014-01-30T03:32:36Z-
dc.date.available2014-01-30T03:32:36Z-
dc.date.issued2013-
dc.identifier.citationEngineering Geology, 2013, v. 165, p. 29-37-
dc.identifier.issn0013-7952-
dc.identifier.urihttp://hdl.handle.net/10722/194447-
dc.description.abstractSignificant advances in unsaturated soils testing have been gained through the development of high suction tensiometers allowing direct measurement of suction beyond 100. kPa. This has allowed the implementation of techniques that measure and control suction directly, where the soil is tested in the same conditions as in nature. Previously, much reliance had been placed on indirect measurements of suction and on control of suction using the axis translation technique. It is argued that this technique should be avoided as the use of an elevated air pressure does not replicate natural conditions. This paper presents advances resulting from the use of high suction tensiometers for laboratory testing and field measurements. It also describes an automated suction control system using the air circulation method that can impose controlled cycles of drying and wetting. © 2012 Elsevier B.V.-
dc.languageeng-
dc.relation.ispartofEngineering Geology-
dc.subjectField measurement-
dc.subjectHigh suction tensiometer-
dc.subjectLaboratory test-
dc.subjectUnsaturated soil-
dc.titleAdvances in suction measurements using high suction tensiometers-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.enggeo.2012.04.013-
dc.identifier.scopuseid_2-s2.0-84886792482-
dc.identifier.volume165-
dc.identifier.spage29-
dc.identifier.epage37-
dc.identifier.isiWOS:000327284100004-
dc.identifier.issnl0013-7952-

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