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Study on Optimization of Seepage Control System for Concrete Face Rockfill Dam of Lower Reservoir of A Pumped Storage Power Station
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Shuo WANGa, Zhen-zhong SHENa, b, Li-qun XUa, b, Lei GANa, b
Water Resources and Power | 2023, 41(2) : 90 - 94
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Water Resources and Power | 2023, 41(2): 90-94
• DAM SAFETY AND MONITORING •
Study on Optimization of Seepage Control System for Concrete Face Rockfill Dam of Lower Reservoir of A Pumped Storage Power Station
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Shuo WANGa, Zhen-zhong SHENa, b, Li-qun XUa, b, Lei GANa, b
Affiliations
  • a.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
  • b.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
Published: 2023-02-25 doi: 10.20040/j.cnki.1000-7709.2023.20220229
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Aiming at the problems of high economic cost and difficult construction of the anti-seepage scheme designed for the dam site area of the concrete face dam of the lower reservoir of a pumped storage power station, a three-dimensional finite element model was established according to the actual engineering situation of the lower reservoir site. Firstly, the distribution of seepage field and the factors such as seepage gradient and seepage flow in each part of the reservoir area under the design anti-seepage scheme were calculated. Then the effects of different curtain depth and the change of curtain length of left and right dam abutment on seepage gradient and seepage flow were analyzed. Finally, the optimization suggestions for the design anti-seepage scheme were put forward. The results show that the curtain depth of the dam site area can be shortened to 3 Lu line, and the curtain length of the dam abutment on the left and right banks can be shortened by about 10 m. Therefore, the project cost can be reduced and the construction progress can be accelerated on the basis that the key parts of the dam site area can meet the seepage stability and the total seepage flow can be effectively controlled.

CFRD  /  impervious curtain  /  seepage discharge  /  three-dimensional finite element model  /  scheme optimization
Shuo WANG, Zhen-zhong SHEN, Li-qun XU, Lei GAN. Study on Optimization of Seepage Control System for Concrete Face Rockfill Dam of Lower Reservoir of A Pumped Storage Power Station[J]. Water Resources and Power, 2023 , 41 (2) : 90 -94 . DOI: 10.20040/j.cnki.1000-7709.2023.20220229
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Year 2023 volume 41 Issue 2
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220229
  • Receive Date：2022-02-10
  • Online Date：2026-01-27
  • Published：2023-02-25
Article Data
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History
  • Received：2022-02-10
  • Revised：2022-05-09
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Affiliations
    a.College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
    b.State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
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https://castjournals.cast.org.cn/joweb/sdnykx/EN/10.20040/j.cnki.1000-7709.2023.20220229
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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