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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Performance-Based Slope Stability Analysis and the Pseudo-Static Factor of Safety
This study compiles the results of seismic stability analysis of an infinite slope from three methodologies, i.e. pseudo-static analysis, Newmark sliding block deformation analysis, and two-dimensional (2D) finite difference analysis. Ten different ground motions are considered. While the pseudo-static factor of safety (FSPS) remains unchanged for constant PGA and seismic coefficient, a slope can exhibit different dynamic performances for each ground motion. The slope’s dynamic performance can be adequate even when both the conventional pseudo-static factor of safety (FSPS), and the time-varying dynamic factor of safety (FSdyn), drop below one. Limitations to the application of the Newmark sliding block analysis and the importance of numerical modeling are discussed. Results on the sensitivity of the numerical model to input parameters are also presented.
Performance-Based Slope Stability Analysis and the Pseudo-Static Factor of Safety
This study compiles the results of seismic stability analysis of an infinite slope from three methodologies, i.e. pseudo-static analysis, Newmark sliding block deformation analysis, and two-dimensional (2D) finite difference analysis. Ten different ground motions are considered. While the pseudo-static factor of safety (FSPS) remains unchanged for constant PGA and seismic coefficient, a slope can exhibit different dynamic performances for each ground motion. The slope’s dynamic performance can be adequate even when both the conventional pseudo-static factor of safety (FSPS), and the time-varying dynamic factor of safety (FSdyn), drop below one. Limitations to the application of the Newmark sliding block analysis and the importance of numerical modeling are discussed. Results on the sensitivity of the numerical model to input parameters are also presented.
Performance-Based Slope Stability Analysis and the Pseudo-Static Factor of Safety
Mendez, Bogart (Autor:in) / Tastan, Erdem O. (Autor:in) / Gutierrez, Juan (Autor:in)
Geotechnical Frontiers 2017 ; 2017 ; Orlando, Florida
Geotechnical Frontiers 2017 ; 390-399
30.03.2017
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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