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Dynamic Analyses of Soil-Pile-Structure Interaction in Laterally Spreading Ground during Earthquake Shaking
Nonlinear dynamic analyses using the finite element (FE) method are compared to the recorded responses of pile-supported structures in soil profiles that develop liquefaction and lateral spreading during earthquake shaking in centrifuge model tests. The centrifuge tests included a simple superstructure supported on a group of six piles. The soil profile consisted of a gently sloping nonliquefiable clay crust over liquefiable loose sand over dense sand. The FE models consisted of a two-dimensional model of the soil profile with a beam-column model of the structure and pile foundation that was attached to the soil profile by soil springs. Centrifuge recordings were used to calibrate the nonlinear FE models. Parametric analyses were used to evaluate the sensitivity of the FE results to variations in the modeling parameters and FE representation. With appropriate calibrations, the FE models were able to reasonably approximate the essential features of soil and structural response.
Dynamic Analyses of Soil-Pile-Structure Interaction in Laterally Spreading Ground during Earthquake Shaking
Nonlinear dynamic analyses using the finite element (FE) method are compared to the recorded responses of pile-supported structures in soil profiles that develop liquefaction and lateral spreading during earthquake shaking in centrifuge model tests. The centrifuge tests included a simple superstructure supported on a group of six piles. The soil profile consisted of a gently sloping nonliquefiable clay crust over liquefiable loose sand over dense sand. The FE models consisted of a two-dimensional model of the soil profile with a beam-column model of the structure and pile foundation that was attached to the soil profile by soil springs. Centrifuge recordings were used to calibrate the nonlinear FE models. Parametric analyses were used to evaluate the sensitivity of the FE results to variations in the modeling parameters and FE representation. With appropriate calibrations, the FE models were able to reasonably approximate the essential features of soil and structural response.
Dynamic Analyses of Soil-Pile-Structure Interaction in Laterally Spreading Ground during Earthquake Shaking
Chang, Dongdong (author) / Boulanger, Ross W. (author) / Brandenberg, Scott J. (author) / Kutter, Bruce L. (author)
Workshop on Seismic Performance and Simulation of Pile Foundations in Liquefied and Laterally Spreading Ground ; 2005 ; University of California, Davis, California, United States
2005-10-31
Conference paper
Electronic Resource
English
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Behavior of Pile Foundations in Laterally Spreading Ground during Centrifuge Tests
| Online Contents | 2005
Behavior of Pile Foundations in Laterally Spreading Ground during Centrifuge Tests
| British Library Online Contents | 2005