Loading velocity in consolidation analysis

Authors

  • Paweł Dobak Faculty of Geology, University of Warsaw, Al. Zwirki i Wigury 93, PL-02-089 Warszawa, Poland

Keywords:

consolidation, CL test programming, loading velocity path

Abstract

In consolidation CL test programming various recommendations are encountered with regard to the selection of loading velocity. The criterion of consistency of CL test results with the traditional IL system is not fully justifiable. The behaviour of soil in conditions of constant load increase shows peculiar theoretical and experimental characteristics, different from IL tests. An optimum method of proper CL test velocity is the analysis of loading velocity path in subsoil. This method allows for taking into consideration the effect of permeability decrease during increase of pore water pressure. The basic factors, scaling loading velocities in field and in laboratory conditions, are the conditions of drainage of pore water.

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Published

2010-03-27

Issue

Vol. 47 No. 1 (2003)

Section

Articles

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