期刊
ENGINEERING GEOLOGY
卷 152, 期 1, 页码 180-193出版社
ELSEVIER
DOI: 10.1016/j.enggeo.2012.10.016
关键词
Dams; Embankments; Earthquakes; Displacement; Slope stability; Seismic hazard
资金
- National Science Foundation [CMMI-0844836]
- Fulbright Center in Finland
- Fulbright-Tampere University of Technology
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [0844836] Funding Source: National Science Foundation
This paper provides a review and comparison of existing simplified displacement-based sliding block models. Analyses were performed to evaluate the relative accuracy of fifteen of these simplified models for predicting earthquake-induced displacements. To accomplish this task, the predictive capability of the models was assessed by comparing model predictions with the actual displacements that were observed after earthquake shaking in 122 case histories of earth dams and embankments. The results indicate that the model predictions of displacement were less than the observed displacement for a large majority of the case histories that were examined. The difference between the observed and predicted displacements was relatively large for a significant percentage of the cases, for each model that was examined. The shapes and positions of the models' relative error cumulative distribution functions did not change significantly if the case histories were filtered to include only those with intermediate levels of observed displacement (i.e., 0.01 m
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