Proceedings of the 2024 6th International Conference on Civil Engineering, Environment Resources and Energy Materials (CCESEM 2024)

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Study on the Stability of Reservoir Slopes with Cavities under Seismic Load

Authors
Qingzhao Ren1, Guanzhong Wu1, 2, 3, *, Hairui Gou1, Wensong Wang2, 3, Shaochi Peng2, 3
1China Railway Cultural Heritage rehabilitation Technology Innovation Co., Ltd, Chengdu, China
2State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China
3School of Environment and Civil Engineering, Chengdu University of Technology, Chengdu, China
*Corresponding author. Email: 15055405095@163.com
Corresponding Author
Guanzhong Wu
Available Online 24 December 2024.
DOI
10.2991/978-94-6463-606-2_32How to use a DOI?
Keywords
Slope stability; Safety factor; Seismic load
Abstract

Seismic activity and stress concentration in soil cavities are prone to induce landslides, resulting in surges and overflows that reduce the stability of dam structures, thereby posing a threat to the safety of downstream areas. To analyze the stability of slopes under different water storage conditions and load scenarios, the Shuangjiangkou Hydropower Station was used as a case study. Finite element simulations were conducted to assess slope stability before and after quarry excavation at various reservoir water levels. Failure modes and safety factors for each model were obtained. The results indicate that quarry excavation has a minimal impact on slope stability. As the water level rises, slope stability improves. However, seismic activity significantly reduces the safety factor of the slope, necessitating the use of rock bolts for slope reinforcement. This study provides a simulation basis for determining on-site support plans.

Copyright
© 2024 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 2024 6th International Conference on Civil Engineering, Environment Resources and Energy Materials (CCESEM 2024)
Series
Advances in Engineering Research
Publication Date
24 December 2024
ISBN
978-94-6463-606-2
ISSN
2352-5401
DOI
10.2991/978-94-6463-606-2_32How to use a DOI?
Copyright
© 2024 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  - Qingzhao Ren
AU  - Guanzhong Wu
AU  - Hairui Gou
AU  - Wensong Wang
AU  - Shaochi Peng
PY  - 2024
DA  - 2024/12/24
TI  - Study on the Stability of Reservoir Slopes with Cavities under Seismic Load
BT  - Proceedings of the 2024 6th International Conference on Civil Engineering, Environment Resources and Energy Materials (CCESEM 2024)
PB  - Atlantis Press
SP  - 310
EP  - 317
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-606-2_32
DO  - 10.2991/978-94-6463-606-2_32
ID  - Ren2024
ER  -