ISSN: 0149-6115
Published Online: 30 March 2005
Page Count: 6

A Simple Method for Air Volume Change Measurement in Triaxial Tests

Laudahn, A
Postgraduate Student,Institute of Geotechnical and Tunnel Engineering, University of Innsbruck,

Sosna, K
Postgraduate Student,Charles University,

Boháč, J
Senior Lecturer,Charles University,

(Received 25 May 2004; accepted 30 August 2004)

Abstract

The paper presents a simple and inexpensive device to measure the volume change of the pore-air of dry soil specimens in the drained triaxial tests under atmospheric conditions. The principle of the method was described by Bishop and Henkel (Bishop and Henkel 1962). The modified apparatus makes use of low-cost photoelectric sensors and computer control. The applicability of the method is demonstrated by a comparison with test data from conventional triaxial tests on water saturated specimens.

Keywords:
sand, dry specimens, drained triaxial test, volume change measurement, pore-air

Paper ID: GTJ12656
DOI: 10.1520/GTJ12656
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