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Seismic System Identification Using Centrifuge-based Soil-Structure Interaction Test Data

Chen, Z. / Trombetta, N. W. / Hutchinson, T. C. / Mason, H. B. / Bray, J. D. / Kutter, B. L.

This article presents a framework for conducting seismic system identification using geotechnical centrifuge-based data for soil-structure interaction (SSI) experimentation. The framework starts with a design step that calculates two important SSI parameters: the period-lengthening ratio and the foundation-damping ratio. An identification and approximation procedure is further developed to estimate the system parameters at a variety of boundary conditions. The framework is then applied to two centrifuge tests. The results illustrate that the proposed framework can improve both the understanding of complex seismic soil-structure response and the use of geotechnical centrifuge-based SSI test data.

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Seismic System Identification Using Centrifuge-based Soil-Structure Interaction Test Data

Chen, Z. / Trombetta, N. W. / Hutchinson, T. C. / Mason, H. B. / Bray, J. D. / Kutter, B. L.

This article presents a framework for conducting seismic system identification using geotechnical centrifuge-based data for soil-structure interaction (SSI) experimentation. The framework starts with a design step that calculates two important SSI parameters: the period-lengthening ratio and the foundation-damping ratio. An identification and approximation procedure is further developed to estimate the system parameters at a variety of boundary conditions. The framework is then applied to two centrifuge tests. The results illustrate that the proposed framework can improve both the understanding of complex seismic soil-structure response and the use of geotechnical centrifuge-based SSI test data.

Seismic System Identification Using Centrifuge-based Soil-Structure Interaction Test Data

Chen, Z. / Trombetta, N. W. / Hutchinson, T. C. / Mason, H. B. / Bray, J. D. / Kutter, B. L.

This article presents a framework for conducting seismic system identification using geotechnical centrifuge-based data for soil-structure interaction (SSI) experimentation. The framework starts with a design step that calculates two important SSI parameters: the period-lengthening ratio and the foundation-damping ratio. An identification and approximation procedure is further developed to estimate the system parameters at a variety of boundary conditions. The framework is then applied to two centrifuge tests. The results illustrate that the proposed framework can improve both the understanding of complex seismic soil-structure response and the use of geotechnical centrifuge-based SSI test data.

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Title:

Seismic System Identification Using Centrifuge-based Soil-Structure Interaction Test Data

Contributors:

Chen, Z. (author) / Trombetta, N. W. (author) / Hutchinson, T. C. (author) / Mason, H. B. (author) / Bray, J. D. (author) / Kutter, B. L. (author)

Published in:

Journal of Earthquake Engineering ; 17 ; 469-496

Publication date:

2013-04-12

Size:

28 pages

ISSN:

1363-2469 , 1559-808X

DOI:

https://doi.org/10.1080/13632469.2012.762956

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Soil-Structure Interaction , System Identification , Geotechnical Centrifuge , Seismic Response , Period Lengthening , Foundation Damping

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