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Characterization and Modeling of a Reconstituted Offshore Silty-Clay

Tom, J. G. / DeJong, J. T. / Boulanger, R. W. / Jaeger, R. A. / Boylan, N.

The laboratory characterization of a reconstituted offshore silty-clay and the calibration of a constitutive model to the laboratory test results are described. The laboratory tests included one-dimensional consolidation tests, undrained monotonic direct simple shear tests, and shear wave velocity measurements on reconstituted block specimens. Duplicate tests were performed in two different laboratories. The test data were used to calibrate the MIT-S1 anisotropic constitutive model. Simulated responses, using the finite-difference code, FLAC, are compared to the experimental data. Parametric studies of various constitutive model parameters are presented and discussed. The results show that a reasonable calibration of the model for various behaviors of this silty soil was attained from only a few standard laboratory tests.

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Characterization and Modeling of a Reconstituted Offshore Silty-Clay

Tom, J. G. / DeJong, J. T. / Boulanger, R. W. / Jaeger, R. A. / Boylan, N.

The laboratory characterization of a reconstituted offshore silty-clay and the calibration of a constitutive model to the laboratory test results are described. The laboratory tests included one-dimensional consolidation tests, undrained monotonic direct simple shear tests, and shear wave velocity measurements on reconstituted block specimens. Duplicate tests were performed in two different laboratories. The test data were used to calibrate the MIT-S1 anisotropic constitutive model. Simulated responses, using the finite-difference code, FLAC, are compared to the experimental data. Parametric studies of various constitutive model parameters are presented and discussed. The results show that a reasonable calibration of the model for various behaviors of this silty soil was attained from only a few standard laboratory tests.

Characterization and Modeling of a Reconstituted Offshore Silty-Clay

Tom, J. G. / DeJong, J. T. / Boulanger, R. W. / Jaeger, R. A. / Boylan, N.

The laboratory characterization of a reconstituted offshore silty-clay and the calibration of a constitutive model to the laboratory test results are described. The laboratory tests included one-dimensional consolidation tests, undrained monotonic direct simple shear tests, and shear wave velocity measurements on reconstituted block specimens. Duplicate tests were performed in two different laboratories. The test data were used to calibrate the MIT-S1 anisotropic constitutive model. Simulated responses, using the finite-difference code, FLAC, are compared to the experimental data. Parametric studies of various constitutive model parameters are presented and discussed. The results show that a reasonable calibration of the model for various behaviors of this silty soil was attained from only a few standard laboratory tests.

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Title:

Characterization and Modeling of a Reconstituted Offshore Silty-Clay

Contributors:

Tom, J. G. (author) / DeJong, J. T. (author) / Boulanger, R. W. (author) / Jaeger, R. A. (author) / Boylan, N. (author)

Conference:

GeoCongress 2012 ; 2012 ; Oakland, California, United States

Published in:

GeoCongress 2012 ; 869-879

Publication date:

2012-03-29

ISBN:

DOI:

https://doi.org/10.1061/9780784412121.090

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Shear tests , Silts , Clays , Constitutive models , Geotechnical engineering , Unsaturated soils , Coastal environment , Soil stabilization , Laboratory tests , Foundations , Pavements , In situ tests , Soil properties

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