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Title: Mini suction probe for matric suction measurements
Authors: Meilani, Inge
Rahardjo, Harianto
Leong, Eng Choon
Fredlund, Delwyn G.
Keywords: DRNTU::Engineering::Civil engineering::Geotechnical
Issue Date: 2002
Source: Meilani, I., Rahardjo, H., Leong, E. C., & Fredlund, D. G. (2002). Mini Suction Probe for Matric Suction Measurement. Canadian Geotechnical Journal, 39(6), 1427-1432.
Series/Report no.: Canadian geotechnical journal
Abstract: A modified triaxial apparatus with mini suction probes was fabricated to study the matric suction along the specimen height during unsaturated triaxial testing. Three mini suction probes were placed at 3/4, 1/2, and 1/4 height of the specimen, each at 120° apart in the lateral direction. This paper presents the development of the mini probe for matric suction measurements. Evaluation of the performance shows that the fabricated mini probe provides a rapid response and accurate reading under negative and positive pore-water pressure changes. Matric suctions as high as 400 kPa were successfully measured on soil specimens over a time span of 15 h. On the other hand, the mini suction probes were also found to be able to measure a matric suction of 200 kPa for a longer period of 155 h.
DOI: 10.1139/t02-101
Rights: © 2002 Canadian Science Publishing
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:CEE Journal Articles

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