State Parameter from Self‐Boring Pressuremeter Tests in Sand
Publication: Journal of Geotechnical Engineering
Volume 120, Issue 12
Abstract
The present paper provides an analysis of self‐boring pressuremeter tests in sand in terms of the state parameter. The method developed herein can be used to determine the in‐situ sand state from the results of the self‐boring pressuremeter test. Unlike the conventional drained pressuremeter analyses that almost exclusively use an elastic‐perfectly plastic model, the new analysis is based on a strain‐hardening (or softening) plasticity model in which the angles of friction and dilation are assumed to be a function of the state parameter. The numerical results presented suggest that there is a unique linear correlation between the loading slope of pressuremeter curves and the initial state parameter of the soil. It is therefore possible to deduce the state parameter of the sand from the measured pressuremeter loading slope. The relevance of this new analysis has been confirmed by the results of the pressuremeter test carried out in large calibration chambers.
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Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 120 • Issue 12 • December 1994
Pages: 2118 - 2135
Copyright
Copyright © 1994 American Society of Civil Engineers.
History
Received: Oct 2, 1992
Published online: Dec 1, 1994
Published in print: Dec 1994
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