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A platform for research: civil engineering, architecture and urbanism
Probabilistic Slope Stability Analysis of a 300 m High Embankment Dam
Based on the statistical properties of material parameters of 314 m high Shuangjiangkou gravel-clay core rockfill dam, the probabilistic slope stability analyses for the critical slip surface of the dam slope are performed using the Monte-Carlo method. The uncertainty of the shear strength and the spatial variation of the soils and the fluctuation of the phreatic line in the dam are considered in analysis. The factor of safety and the reliability index of the dam slope under different construction and reservoir impounding stages are investigated. The results show that the reliability index of the dam slope with a larger factor of safety is not always bigger than that with a smaller factor of safety. Therefore, for the evaluation of the stability of the embankment dam slopes, the assessment of dam safety will be more scientific and reasonable if the uncertainty of property parameters of the soils can be considered.
Probabilistic Slope Stability Analysis of a 300 m High Embankment Dam
Based on the statistical properties of material parameters of 314 m high Shuangjiangkou gravel-clay core rockfill dam, the probabilistic slope stability analyses for the critical slip surface of the dam slope are performed using the Monte-Carlo method. The uncertainty of the shear strength and the spatial variation of the soils and the fluctuation of the phreatic line in the dam are considered in analysis. The factor of safety and the reliability index of the dam slope under different construction and reservoir impounding stages are investigated. The results show that the reliability index of the dam slope with a larger factor of safety is not always bigger than that with a smaller factor of safety. Therefore, for the evaluation of the stability of the embankment dam slopes, the assessment of dam safety will be more scientific and reasonable if the uncertainty of property parameters of the soils can be considered.
Probabilistic Slope Stability Analysis of a 300 m High Embankment Dam
Chen, Qun (author) / Chang, Li-Ying (author)
Georisk 2011 ; 2011 ; Atlanta, Georgia, United States
GeoRisk 2011 ; 452-459
2011-06-21
Conference paper
Electronic Resource
English
Probabilistic Slope Stability Analysis of a 300 m High Embankment Dam
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