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Failure Mechanism and Dynamic Evolution of Typhoon Rainstorm Induced Slopes
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Jian-hong JIANG1, Hong-guang BIAN2, Xiao NING1, Li-li LI1, Yu-yu ZHANG3
Water Resources and Power | 2023, 41(11) : 165 - 168
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Water Resources and Power | 2023, 41(11): 165-168
• WATER CONSERVANCY AND HYDROPOWER ENGINEERING •
Failure Mechanism and Dynamic Evolution of Typhoon Rainstorm Induced Slopes
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Jian-hong JIANG1, Hong-guang BIAN2, Xiao NING1, Li-li LI1, Yu-yu ZHANG3
Affiliations
  • 1.Shandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250101, China
  • 2.State Key Laboratory of Water Resources Engineering and Manacement, Wuhan University, Wuhan 430072, China
  • 3.School of Qilu Transportation, Shandong University, Jinan 250002, China
Published: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20222542
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Aiming at analyzing the mechanism of slope failure and evolution propagation induced by typhoon and rainstorm, a numerical simulation of the safety state of a slope was carried out based on the measured rainfall data during various typhoons in Fujian Province of China. For the slope before instability, Monte Carlo method was used to calculate the real-time failure probability and reliability index and reveal the transient change characteristics of the seepage field and plastic zone of the slope. For the slope after instability, Herschel-Bulkley-Papanastasiou (HBP) model was used to describe the rheological characteristics of the slope using the SPH method. The propagation process of landslides was analyzed in terms of velocity and accumulation characteristics. The results show that the rainfall is the key factor to induce slope instability. When the slope failure occurs, the sliding speed of the leading edge can reach 15 m/s. This study provides a reference for the early warning and disaster prevention and mitigation of slope engineering under extreme conditions.

typhoon and rainstorm  /  slope failure  /  Monte-Carlo  /  dynamic catastrophe  /  HBP rheological model
Jian-hong JIANG, Hong-guang BIAN, Xiao NING, Li-li LI, Yu-yu ZHANG. Failure Mechanism and Dynamic Evolution of Typhoon Rainstorm Induced Slopes[J]. Water Resources and Power, 2023 , 41 (11) : 165 -168 . DOI: 10.20040/j.cnki.1000-7709.2023.20222542
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Year 2023 volume 41 Issue 11
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20222542
  • Receive Date：2022-12-06
  • Online Date：2026-01-27
  • Published：2023-11-25
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History
  • Received：2022-12-06
  • Revised：2023-02-21
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Affiliations
    1.Shandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250101, China
    2.State Key Laboratory of Water Resources Engineering and Manacement, Wuhan University, Wuhan 430072, China
    3.School of Qilu Transportation, Shandong University, Jinan 250002, 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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