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Reliability Analysis of High Concrete-Face Rockfill Dams and Study of Seismic Performance of Earthquake-Resistant Measures Based on Stochastic Dynamic Analysis

Author

Listed:
  • Zhuo Rong

    (Faculty of Infrastructure Engineering, School of Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China)

  • Xiang Yu

    (School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China
    State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China)

  • Bin Xu

    (Faculty of Infrastructure Engineering, School of Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
    State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China)

  • Xueming Du

    (School of Water Conservancy Engineering, Zhengzhou University, Zhengzhou 450001, China)

Abstract

The randomness of earthquake excitation has a significant impact on the seismic performance of high earth-rock dams. In this paper, the seismic performance of geosynthetic-reinforced soil structures (GRSS) of high concrete face rockfill dams (CFRDs) is evaluated from the stochastic perspective. Multiple groups of seismic ground motions are generated based on spectral expression-random function non-stationary model. Taking Gushui CFRD as an example, this study calculates the failure probability of each damage level of non-reinforce slopes and reinforce slopes based on generalized probability density evolution method (GPDEM) and reliability analysis is presented though multiple evaluation indicators. The result shows that GRSS can reduce the mild damage of CFRDs during earthquake and restrain the moderate and severe damage. The influence of vertical spacing and length of GRSS on the seismic performance is obtained, which provides a reference for the seismic design and risk analysis of CFRDs.

Suggested Citation

  • Zhuo Rong & Xiang Yu & Bin Xu & Xueming Du, 2021. "Reliability Analysis of High Concrete-Face Rockfill Dams and Study of Seismic Performance of Earthquake-Resistant Measures Based on Stochastic Dynamic Analysis," Mathematics, MDPI, vol. 9(23), pages 1-17, December.
    • Handle: RePEc:gam:jmathe:v:9:y:2021:i:23:p:3124-:d:695010
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    Cited by:

    1. Shaofeng Wang & Xin Cai & Jian Zhou & Zhengyang Song & Xiaofeng Li, 2022. "Analytical, Numerical and Big-Data-Based Methods in Deep Rock Mechanics," Mathematics, MDPI, vol. 10(18), pages 1-5, September.

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