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Triaxial Testing of Unsaturated Soils

Leong, E. C. / Nyunt, T. T. / Rahardjo, H.

This paper highlights the key features of triaxial testing of unsaturated soils. The modifications to a conventional triaxial apparatus and the test procedures for various unsaturated soil triaxial tests are described. Test results for an undisturbed residual soil tested under consolidated undrained (CU) and constant water content (CW) conditions at three different strain rates are presented. The test results showed that φ^b is not a constant, but decreases as matric suction is increased. The shear strength envelopes obtained from CU and CW tests at the three different strain rates are similar.

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Triaxial Testing of Unsaturated Soils

Leong, E. C. / Nyunt, T. T. / Rahardjo, H.

This paper highlights the key features of triaxial testing of unsaturated soils. The modifications to a conventional triaxial apparatus and the test procedures for various unsaturated soil triaxial tests are described. Test results for an undisturbed residual soil tested under consolidated undrained (CU) and constant water content (CW) conditions at three different strain rates are presented. The test results showed that φ^b is not a constant, but decreases as matric suction is increased. The shear strength envelopes obtained from CU and CW tests at the three different strain rates are similar.

Triaxial Testing of Unsaturated Soils

Leong, E. C. / Nyunt, T. T. / Rahardjo, H.

This paper highlights the key features of triaxial testing of unsaturated soils. The modifications to a conventional triaxial apparatus and the test procedures for various unsaturated soil triaxial tests are described. Test results for an undisturbed residual soil tested under consolidated undrained (CU) and constant water content (CW) conditions at three different strain rates are presented. The test results showed that φ^b is not a constant, but decreases as matric suction is increased. The shear strength envelopes obtained from CU and CW tests at the three different strain rates are similar.

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Title:

Triaxial Testing of Unsaturated Soils

Additional title:

Springer Ser.Geomech.,Geoengineer.

Contributors:

Laloui, Lyesse (editor) / Ferrari, Alessio (editor) / Leong, E. C. (author) / Nyunt, T. T. (author) / Rahardjo, H. (author)

Published in:

Multiphysical Testing of Soils and Shales ; Chapter: 3 ; 33-44

Springer Series in Geomechanics and Geoengineering

Publication date:

2013-01-01

Size:

12 pages

ISBN:

978-3-642-32492-5 , 978-3-642-32491-8

ISSN:

1866-8763 , 1866-8755

DOI:

https://doi.org/10.1007/978-3-642-32492-5_3

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Triaxial Test , Unsaturated Soil , Residual Soil , Matric Suction , Soil Specimen Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences

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