Proceedings of the 2025 8th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2025)

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Analysis on the Slope Stability of Upper Reservoir at Zhen’an Pumped Storage Power Station

Authors
Ying Zhang1, 2, *, Shengjie Di1
1Northwest Engineering Corporation Limited, Power China, Xi’an, Shaanxi, 710065, China
2High Slope and Geological Disaster Research and Control Sub-center, China Hydropower Technology Research and Development Centre, Xi’an, Shaanxi, 710065, China
*Corresponding author. Email: zhangying@nwh.cn
Corresponding Author
Ying Zhang
Available Online 26 February 2026.
DOI
10.2991/978-94-6239-600-5_5How to use a DOI?
Keywords
slope stability; pumped storage power station; limit equilibrium method
Abstract

The stability of reservoir slopes is crucial to both engineering and public safety. Based on the limit equilibrium method, this paper analyzes the slope stability in the collapsed area of the upper reservoir at Zhen’an pumped storage power station considering the complex geological conditions. Results show that under extreme conditions (heavy rain and earthquake), safety factors exceed control standards (1.15/1.05) by 19.1% and 35.2%, respectively. Under natural and construction conditions, the safety factors also surpass specification limits, indicating the support system provides a sufficient safety margin and meets design requirements. The research results offer valuable reference for collapse treatment and stability evaluation.

Copyright
© 2026 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 2025 8th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2025)
Series
Advances in Engineering Research
Publication Date
26 February 2026
ISBN
978-94-6239-600-5
ISSN
2352-5401
DOI
10.2991/978-94-6239-600-5_5How to use a DOI?
Copyright
© 2026 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Ying Zhang
AU  - Shengjie Di
PY  - 2026
DA  - 2026/02/26
TI  - Analysis on the Slope Stability of Upper Reservoir at Zhen’an Pumped Storage Power Station
BT  - Proceedings of the 2025 8th International Conference on Civil Architecture, Hydropower and Engineering Management (CAHEM 2025)
PB  - Atlantis Press
SP  - 31
EP  - 39
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6239-600-5_5
DO  - 10.2991/978-94-6239-600-5_5
ID  - Zhang2026
ER  -