ISSN: 1945-7545
CODEN: GTJODJ
Page Count: 11

Determination of Local Displacements on Soil Samples

Symes, MJ
Geotechnical engineer, R. Travers Morgan & Partners, East Grinstead, Sussex

Burland, JB
Professor of soil mechanics, London,

Abstract

A description is given of two types of laboratory instrumentation suitable for monitoring deformations locally over a central portion of a soil sample. Using this instrumentation the problems caused by apparatus compliance, by bedding of the end caps, and by imposition of zero lateral movement at the ends of the sample (such as in conventional cylindrical tests) are avoided. In this paper the instruments are used to determine the three principal strains in a hollow cylindrical sample, which is subject to different axial, horizontal shear, radial, and circumferential stresses.

Keywords:
soil tests, strain measurement, errors, stress-strain curves, instrumentation, deformation gages

Paper ID: GTJ10593J
DOI: 10.1520/GTJ10593J
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