Chapter
May 7, 2012
Modeling of Soft Clays Response for Seismic Triggering of Submarine Slides
Authors: Giovanna Biscontin and Juan M. PestanaAuthor Affiliations
Publication: Calibration of Constitutive Models
Abstract
Submarine landslides pose considerable hazards to coastal communities and offshore structures. The difficulty and cost of obtaining undisturbed samples of offshore soils for determining material properties required for slope stability analyses contribute to the complexity of the problem. There are significant advantages in using a simplified model for the seismic response of submarine slopes, compatible with the limited amount of information that can be realistically gathered, but still able to capture the key elements of clay behavior. This paper illustrates the process of parameter determination and calibration of the SIMPLE DSS model, developed for the study of seismic triggering of submarine slope instabilities. The selection of parameters and predictions of monotonic and cyclic simple shear response are carried out for Boston Blue Clay, a marine clay extensively studied and with a large experimental database available in the literature. The results show that the simplified model is able to reproduce the important trends in the response of the soil, especially in accounting for the effect of the slope.
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© 2005 American Society of Civil Engineers.
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Published online: May 7, 2012
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Giovanna Biscontin
Texas A&M University, Department of Civil Engineering, 3136 TAMU, College Station, TX 77843-3136
Juan M. Pestana
University of California, Berkeley, Department of Civil Engineering, Berkeley, CA 94720
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.