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Article: On the measurement of water pressure in soils with high suction tensiometers

TitleOn the measurement of water pressure in soils with high suction tensiometers
Authors
Issue Date2009
Citation
Geotechnical Testing Journal, 2009, v. 32 n. 6 How to Cite?
AbstractPast studies on the use of high suction tensiometers for measuring negative pore water pressure have focused on three different aspects, namely, initial saturation of the probe, calibration over both positive and negative pressure ranges, and measurement procedures. Among these three areas, the one focusing on measurement procedures has undeservedly received less attention. Aspects related to measurement conditions during laboratory or field testing are as important as the initial pre-conditioning or calibration of the probe. According to the particular type of measurement, different aspects of the testing procedure have to be considered in order to obtain accurate readings of pore water pressure. This note presents preliminary data to highlight the importance of factors, such as measurement time, soil-probe contact, and material type, when measuring suction by means of high suction tensiometer. © 2009 by ASTM International.
Persistent Identifierhttp://hdl.handle.net/10722/194277
ISSN
2015 Impact Factor: 0.663
2015 SCImago Journal Rankings: 1.289

 

DC FieldValueLanguage
dc.contributor.authorLourenço, SDN-
dc.contributor.authorGallipoli, D-
dc.contributor.authorToll, DG-
dc.contributor.authorEvans, FD-
dc.date.accessioned2014-01-30T03:32:23Z-
dc.date.available2014-01-30T03:32:23Z-
dc.date.issued2009-
dc.identifier.citationGeotechnical Testing Journal, 2009, v. 32 n. 6-
dc.identifier.issn0149-6115-
dc.identifier.urihttp://hdl.handle.net/10722/194277-
dc.description.abstractPast studies on the use of high suction tensiometers for measuring negative pore water pressure have focused on three different aspects, namely, initial saturation of the probe, calibration over both positive and negative pressure ranges, and measurement procedures. Among these three areas, the one focusing on measurement procedures has undeservedly received less attention. Aspects related to measurement conditions during laboratory or field testing are as important as the initial pre-conditioning or calibration of the probe. According to the particular type of measurement, different aspects of the testing procedure have to be considered in order to obtain accurate readings of pore water pressure. This note presents preliminary data to highlight the importance of factors, such as measurement time, soil-probe contact, and material type, when measuring suction by means of high suction tensiometer. © 2009 by ASTM International.-
dc.languageeng-
dc.relation.ispartofGeotechnical Testing Journal-
dc.titleOn the measurement of water pressure in soils with high suction tensiometers-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1520/GTJ102372-
dc.identifier.scopuseid_2-s2.0-77953259450-
dc.identifier.volume32-
dc.identifier.issue6-

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