ISSN: 1945-7545
CODEN: GTJODJ
Published Online: 4 October 2010
Page Count: 15

Triaxial Testing of Soft Rocks

Berre, Toralv
Norwegian Geotechnical Institute, Oslo,

(Received 17 November 2009; accepted 29 August 2010)

Abstract

The main purpose of this paper is to describe the present practice for triaxial testing at the Norwegian Geotechnical Institute with particular reference to testing of soft rocks from the oil reservoirs in the North Sea. The following aspects related to this testing are described: (a) testing equipment, (b) procedures for typical stages of the testing, (c) estimation of the allowable rate of loading to control excess pore pressures, (d) means to speed up the expulsion of pore liquid from low permeability rocks, (e) local measurements of strains with LVDTs, and (f) testing at high temperatures.

Keywords:
triaxial testing, soft rocks, allowable rates of testing, local strain measurements, high temperature

Paper ID: GTJ102879
DOI: 10.1520/GTJ102879
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