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Measured and Predicted Dynamic Horizontal Sliding and Rocking Response of an Embedded Footing at TAMU NGES Site
A shallow foundation, 3 m×3 m in plan and embedded 0.9 m, was dynamically loaded at the national geotechnical experiment site (NGES) on the campus of Texas A&M University (TAMU) via a rotating mass vibrator and the measured results were compared with results computed from cone models of the soil/foundation system. The measured responses of the footing indicated that a rigid body motion model for movement of the footing was appropriate. This rigid body model based upon a two-degree-of-freedom (2DOF), mass-spring-dashpot concept, employing dynamic impedance functions computed via a cone model, and using free-field shear wave velocity values measured at the site with surface wave tests, provided a good assessment of the dynamic response of the foundation under horizontal excitation.
Measured and Predicted Dynamic Horizontal Sliding and Rocking Response of an Embedded Footing at TAMU NGES Site
A shallow foundation, 3 m×3 m in plan and embedded 0.9 m, was dynamically loaded at the national geotechnical experiment site (NGES) on the campus of Texas A&M University (TAMU) via a rotating mass vibrator and the measured results were compared with results computed from cone models of the soil/foundation system. The measured responses of the footing indicated that a rigid body motion model for movement of the footing was appropriate. This rigid body model based upon a two-degree-of-freedom (2DOF), mass-spring-dashpot concept, employing dynamic impedance functions computed via a cone model, and using free-field shear wave velocity values measured at the site with surface wave tests, provided a good assessment of the dynamic response of the foundation under horizontal excitation.
Measured and Predicted Dynamic Horizontal Sliding and Rocking Response of an Embedded Footing at TAMU NGES Site
Dunn, Patrick W. (author) / Hiltunen, Dennis R. (author)
Eighth International Conference on Case Histories in Geotechnical Engineering ; 2019 ; Philadelphia, Pennsylvania
Geo-Congress 2019 ; 129-138
2019-03-21
Conference paper
Electronic Resource
English
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