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ASTM Selected Technical Papers
Advanced Triaxial Testing of Soil and Rock
By
RT Donaghe
RT Donaghe
1
U.S. Army Corps of Engineers, Waterways Experiment Station
,
Vicksburg Miss.
;
symposium cochairman and coeditor
Search for other works by this author on:
RC Chaney
RC Chaney
2
Telonicher Marine Laboratory, Humboldt State University
,
Arcata, California
;
symposium cochairman and coeditor
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ML Silver
ML Silver
3Department of Civil Engineering,
University of Illinois
,
Chicago, Illinois
;
symposium cochairman and coeditor
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ISBN-10:
0-8031-0983-0
ISBN:
978-0-8031-0983-4
No. of Pages:
904
Publisher:
ASTM International
Publication date:
1988

An extensive laboratory for intact salt rock behavior research (the WATSALT Laboratory) was conceived at the University of Waterloo in 1982, and by 1984 researchers here were producing results of high quality. At present, six high capacity test stations for creep behavior are operating on a continuous basis. The designs were developed to meet the requirements of constant pressure, environmentally stable creep testing. Self-regulating pressure control systems have been designed, and they are performing effectively. The WATSALT systems can test a range of specimen sizes to 100 mm in diameter, at stresses of 200 MPa axial, and 70 MPa lateral. Creep test durations have extended to 6 months on an individual specimen. The automated control systems keep temperatures constant to 0.1°C and pressure fluctuations to within 0.1%. This paper describes the approach to design, the triaxial cell and axial load frame configuration, an alternate internal axial piston cell, temperature and pressure control systems, instrumentation, and data acquisition.

1.
Hoek
,
E.
and
Franklin
,
J. A.
, “
A Simple Traiaxial Cell for Field and Laboratory Testing of Rock
.
Transactions of the Institute of Mining and Metallugy, (G. B.)
, Vol.
77
,
1968
, pp. A22-A26.
2.
Jastrezebski
,
Z. D.
,
The Nature and Property of Engineering Materials
, 2nd ed.,
Wiley
,
New York
,
1976
, pp. 317-320.
3.
ASME Boiler and Pressure Vessel Code
,
American Society of Mechanical Engineers
,
New York
,
1974
, Section VIII, Division I.
4.
Shigely
,
J. E.
and
Mitchell
L. D.
,
Mechanical Engineering Design
, 4th ed.,
McGraw-Hill
,
New York
,
1983
, p. 359.
5.
Harvey
,
J. F.
,
Theory and Design of Modern Presure Vessels
, 2nd ed.,
Van Nostrand Reinhold
,
New York
, pp. 351-353.
6.
Gilmor
,
M. I.
, Ed.,
Limit States Design Steel Manual
, 1st ed.,
Canadian Institute of Steel Construction
,
Toronto
,
1977
.
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