Monotonic and Cyclic Behavior of Two Calcareous Soils of Different Origins
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 132, Issue 12
Abstract
The behavior of two calcareous soils—Goodwyn (GW) and Ledge Point (LP)—is studied through a series of monotonic and cyclic triaxial tests. These two soils are selected because they represent two extreme formation conditions in terms of their depositional environments, physical characteristics, and grain strength. The experimental investigation included isotropic compression tests to high stress levels, undrained monotonic shearing tests, and undrained cyclic shearing tests under one-way and two-way loading conditions. Tests were performed on samples with different initial conditions. The experimental results show that, although the overall qualitative stress-strain behavior of both GW and LP soils is similar to that of other silicious soils, significant quantitative differences are observed between the two soils and also between calcareous and silicious soils, especially in terms of volumetric reduction during compression, monotonic and cyclic shear strength, and the strain required to mobilize the strength. This paper explores the mechanical behavior of the two calcareous soils and highlights the similarities and differences between their behavior and also between calcareous and silicious soils.
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Acknowledgments
The work presented in this paper forms part of the activities of the Center for Offshore Foundation Systems (COFS), established and supported under the Australian Research Council’s Research Centers Program.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 132 • Issue 12 • December 2006
Pages: 1581 - 1591
Copyright
© 2006 ASCE.
History
Received: Feb 1, 2005
Accepted: May 3, 2006
Published online: Dec 1, 2006
Published in print: Dec 2006
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