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Seismic Dynamic Response Analysis of Pipe-piercing Dike Considering Pipe-soil Coupling
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Xi-zhu LIU1, Qi JIANG1, 2, Jian ZHANG1, Jian-wei ZHANG2, Fu HOU2, Lei CHEN2
Water Resources and Power | 2023, 41(12) : 129 - 133
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Water Resources and Power | 2023, 41(12): 129-133
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Seismic Dynamic Response Analysis of Pipe-piercing Dike Considering Pipe-soil Coupling
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Xi-zhu LIU1, Qi JIANG1, 2, Jian ZHANG1, Jian-wei ZHANG2, Fu HOU2, Lei CHEN2
Affiliations
  • 1.Key Laboratory of Jinan Digital Twins and Intelligent Water Conservancy, Shandong Survey and Disign Institute of Water Conservancy Co., Ltd, Jinan 250013, China
  • 2.College of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
Published: 2023-12-25 doi: 10.20040/j.cnki.1000-7709.2023.20231061
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In order to study the dynamic response of pipe-piercing dike under seismic load, taking a dike-crossing project in Guangdong Province as the research object, considering the interaction between pipeline and soil, a three-dimensional numerical simulation model of pipeline-dike was established. The simulation of foundation boundary spring-damper was realized through secondary development. The results show that under the action of 0.1g seismic acceleration, the vertical displacement of the dike increases with the increase of the height of the dike and decreases along the axis of the dike. The maximum displacement at the top of the pipeline is greater than that at the left and right ends. The stress distribution law of the pipeline is consistent with displacement, and the maximum stress of the pipeline is proportional to the thickness of the soil cover layer. The Mises stress at each point of the midpoint section of the pipeline through the dike is the largest, and the seismic capacity of the middle section of the dike is relatively weak. The stress and displacement near the midpoint section of the pipeline in the dike should be monitored in the seismic design of the subsequent dike project. This study has important practical significance to ensure the safe and stable operation of the dike-crossing project.

pipe penetration embankment  /  pipe-piercing dike  /  viscoelastic boundary  /  seismic response
Xi-zhu LIU, Qi JIANG, Jian ZHANG, Jian-wei ZHANG, Fu HOU, Lei CHEN. Seismic Dynamic Response Analysis of Pipe-piercing Dike Considering Pipe-soil Coupling[J]. Water Resources and Power, 2023 , 41 (12) : 129 -133 . DOI: 10.20040/j.cnki.1000-7709.2023.20231061
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Year 2023 volume 41 Issue 12
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20231061
  • Receive Date：2023-05-27
  • Online Date：2026-01-28
  • Published：2023-12-25
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History
  • Received：2023-05-27
  • Revised：2023-07-26
Funding
Affiliations
    1.Key Laboratory of Jinan Digital Twins and Intelligent Water Conservancy, Shandong Survey and Disign Institute of Water Conservancy Co., Ltd, Jinan 250013, China
    2.College of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450046, China
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Citations
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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