Advanced seismic slope stability analysis

被引:1
作者
Mihail Garevski
Zeljko Zugic
Vlatko Sesov
机构
[1] University “Ss. Cyril and Methodius”,Institute of Earthquake Engineering and Engineering Seismology, IZIIS
来源
Landslides | 2013年 / 10卷
关键词
Seismic slope stability; Uncertainties; Probabilistic approach; Permanent displacement; Sensitivity analysis;
D O I
暂无
中图分类号
学科分类号
摘要
The objective of this study was to present an advanced methodology for assessing seismic slope stability by taking into account the uncertainties related to the main input parameters. The methodology was applied on a real landslide in order to show the advantages of using the proposed procedure and establish the baseline trends of dynamic response and calculated permanent seismic displacements. It involves the following steps: preliminary analysis, probabilistic static and seismic factor of safety analysis, and permanent seismic displacement analysis. Estimating post-failure maximum seismic deformation of landslide mass and sounding properties is the most important part of this study. It involves both Newmark sliding block method and continuum mechanics approach, applied for characteristic set of input values in order to have more accurate assessment of slope performance and determine the relative importance of input parameters. The results of the analysis showed the benefits of using the proposed step-by-step methodology. The obtained difference in the results between the two methods depends strongly on the set input data for a particular analysis.
引用
收藏
页码:729 / 736
页数:7
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