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Numerical Simulation and Analysis of Three-dimensional Seepage in a Reservoir Under Influence of Multiple Faults
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Yang-feng YU1, Jia-ao YU2, Wei YE1, 3, Zi-yang LI1, 3
Water Resources and Power | 2023, 41(10) : 86 - 90
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Water Resources and Power | 2023, 41(10): 86-90
• DAM SAFETY AND MONITORING •
Numerical Simulation and Analysis of Three-dimensional Seepage in a Reservoir Under Influence of Multiple Faults
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Yang-feng YU1, Jia-ao YU2, Wei YE1, 3, Zi-yang LI1, 3
Affiliations
  • 1.Nanjing Hydraulic Research Institute, Nanjing 210029, China
  • 2.College of Water Conservancy & Hydropower Engineering, Hohai University, Nanjing 210098, China
  • 3.Dam Safety Management Center of the Ministry of Water Resources, Nanjing 210029, China
Published: 2023-10-25 doi: 10.20040/j.cnki.1000-7709.2023.20230707
Outline
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The geological conditions of a certain reservoir area and dam site are complex, with multiple penetrating faults. In order to analyze the seepage situation in the reservoir area and the dam body, the finite element method was used to conduct three-dimensional numerical simulation of the seepage field in the dam and reservoir area. Based on the actual operating conditions, parameter inversion was conducted, and the anti-seepage safety of the dam was analyzed and evaluated based on the distribution of water head and the calculation results of seepage flow. The results indicate that the change of permeability coefficient of faults in the reservoir area has the most significant impact on the seepage flow rate of the left bank and dam section, and the left bank seepage is more severe. The seepage line of the dam body is relatively high, and there are cracks in the upstream anti-seepage panel, causing jet flow in the high water level dam body. There is a lot of accumulated water in the corridor, and the comprehensive anti-seepage and drainage system facilities of the dam are not perfect. The overall seepage flow in the dam site area is too large, especially in the thin watershed on the left bank, where leakage is more severe. There are serious problems with dam foundation leakage and seepage around the dam, and it should be treated.

fault influence  /  reservoir leakage  /  three-dimensional seepage  /  finite element method  /  concrete dam
Yang-feng YU, Jia-ao YU, Wei YE, Zi-yang LI. Numerical Simulation and Analysis of Three-dimensional Seepage in a Reservoir Under Influence of Multiple Faults[J]. Water Resources and Power, 2023 , 41 (10) : 86 -90 . DOI: 10.20040/j.cnki.1000-7709.2023.20230707
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Year 2023 volume 41 Issue 10
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20230707
  • Receive Date：2023-05-04
  • Online Date：2026-01-28
  • Published：2023-10-25
Article Data
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History
  • Received：2023-05-04
  • Revised：2023-06-05
Funding
Affiliations
    1.Nanjing Hydraulic Research Institute, Nanjing 210029, China
    2.College of Water Conservancy & Hydropower Engineering, Hohai University, Nanjing 210098, China
    3.Dam Safety Management Center of the Ministry of Water Resources, Nanjing 210029, China
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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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