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ASTM Selected Technical Papers
Strength Testing of Marine Sediments: Laboratory and In-Situ Measurements
By
RC Chaney
RC Chaney
1
Telonicher Marine Laboratory Humboldt State University
?
Trinidad, CA 95570
;
cochairman and coeditor
.
Search for other works by this author on:
KR Demars
KR Demars
2
The University of Connecticut
?
Storrs, CT 06268
;
cochairman and coeditor
.
Search for other works by this author on:
ISBN-10:
0-8031-0431-6
ISBN:
978-0-8031-0431-0
No. of Pages:
568
Publisher:
ASTM International
Publication date:
1985

In testing undisturbed soil samples taken in a hostile environment one is often faced with the problem of having to obtain many properties from a limited number of specimens. This difficulty can be partly overcome by designing compatible equipment, so that a sample can be tested in a nondestructive way at very small strains in one type of machine, then transferred to another one and subjected to larger static and dynamic stresses and strains. In this investigation, the specimens were first placed under fast cyclic loading axially and torsionally in the resonant column cell. Then they were transferred with their caps in place to another cell where they were subjected to slower cyclic loading under increasingly larger stress amplitudes. The results of the tests that were conducted on a Gulf of Mexico clay are given and analyzed. Shear moduli, damping ratios, and frequency responses obtained in a resonant column at very small strains are examined together with ratios obtained at large strains to give a complete picture of the dynamic behavior of this clay.

Data discussed in the light of the Ramberg-Osgood-Masing criterion show that such a criterion overestimates the damping and that it is impossible to describe the behavior of this clay over the whole spectrum of strain with just one set of parameters. It is recommended that parameters in the zone of interest always be obtained.

1.
Ramberg
,
W.
and
Osgood
,
W. R.
, “
Description of Stress-Strain Curves by Three Parameters
,” Technical Note 902,
National Advisory Committee for Aeronautics
,
Washington, DC
,
1943
.
2.
Masing
,
G.
, “
Eigenshannungen und Verestigung Beim Messing
,”
Proceedings of the Second International Congress of Applied Mechanics
,
1926
.
3.
Jennings
,
P. C.
, “
Response of Simple Yielding Structures to Earthquake Excitation
,” Report,
Earthquake Engineering Research Laboratory, California Institute Technology
, Pasadena, CA,
1963
.
4.
Saada
,
A. S.
,
Journal of the Soil Mechanics and Foundation Division
,
Proceedings of the American Society of Civil Engineers
, Vol.
96
, No.
SM3
,
1970
, pp. 1085-1089.
5.
Saada
,
A. S.
and
Townsend
,
F. C.
,
Laboratory Shear Strength of Soil
, STP 740,
American Society for Testing and Materials
,
Philadelphia
,
1981
, pp. 7-77.
6.
Bianchini
,
G. F.
and
Saada
,
A. S.
,
Proceedings of the 10th ICSMFE Stockholm
, Vol.
98
, No.
SM6
,
1972
, pp. 603-624.
7.
Hardin
,
B. O.
and
Drnevich
,
V. P.
,
Journal of the Soil Mechanics and Foundations Division
 0044-7994,
Proceedings of the American Society of Civil Engineers
, Vol.
98
, No.
SM6
,
1972
, pp. 603-624.
8.
Macky
,
T. A.
, “
Behavior of Anisotropic Clays Subjected to Cyclic Loading
,” thesis,
Case Western Reserve University
, Cleveland, OH,
1982
.
9.
Bianchini
,
G. F.
, “
Effect of Anisotropy of the Dynamic Response of Clay Soils
,” thesis,
Case Western Reserve University
, Cleveland, OH,
1982
.
10.
Macky
,
T. A.
and
Saada
,
A. S.
, “
Dynamics of Anisotropic Clays Under Large Strains
,”
Journal of Geotechnical Engineering, Proceedings of the American Society of Civil Engineers
, Vol.
110
, No.
4
,
04
1984
, pp. 487-504.
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