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Numerous engineering cases (Guan, Sci China Ser e: Technol Sci 52:820–834, 2009; Liu et al., J Perform Constr Facil 29:04,014,129, 2015), dynamic numerical analysis (Zou et al., Comput Geotech 49:111–122, 2013; Uddin, Comput Struct 72:409–421, 1999) and dynamic physical model tests (Zhu et al., Journal of Harbin Institute of Technology 18:132–138, 2011; Liu et al., Soil Dyn Earthq Eng 82:11–23, 2016) demonstrated that the instability of dam slopes is a major engineering concern for high CFRDs under earthquake excitation. It is explicitly mandated that seismic stability calculations for earth-rock dams should be included in seismic analysis in China's Hydraulic Seismic Design Code (NB 35047–2015). The comprehensive evaluation of slope stability is further specified to consider the factors such as the position, depth, and extent of the slip surface, as well as the duration and magnitude of stability index exceeding limits.

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Stochastic Seismic Analysis and Performance Safety Evaluation for Slope Stability of High CFRDs

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  • 出版模式：

    开放获取

  • 发表日期：

    2025年

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  • Bin Xu,
  • Rui Pang

摘要

Numerous engineering cases (Guan, Sci China Ser e: Technol Sci 52:820–834, 2009; Liu et al., J Perform Constr Facil 29:04,014,129, 2015), dynamic numerical analysis (Zou et al., Comput Geotech 49:111–122, 2013; Uddin, Comput Struct 72:409–421, 1999) and dynamic physical model tests (Zhu et al., Journal of Harbin Institute of Technology 18:132–138, 2011; Liu et al., Soil Dyn Earthq Eng 82:11–23, 2016) demonstrated that the instability of dam slopes is a major engineering concern for high CFRDs under earthquake excitation. It is explicitly mandated that seismic stability calculations for earth-rock dams should be included in seismic analysis in China's Hydraulic Seismic Design Code (NB 35047–2015). The comprehensive evaluation of slope stability is further specified to consider the factors such as the position, depth, and extent of the slip surface, as well as the duration and magnitude of stability index exceeding limits.