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Vulnerability analysis of asphalt concrete core dam under near-fault ground motion
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Lin LIU1, Zhiqiang SONG1, Fei WANG2, Chuang LI1, Shenghuan LIU3, Yunhe LIU1
Journal of Vibration Engineering | 2025, 38(5) : 1106 - 1119
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Journal of Vibration Engineering | 2025, 38(5): 1106-1119
Vulnerability analysis of asphalt concrete core dam under near-fault ground motion
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Lin LIU1, Zhiqiang SONG1, Fei WANG2, Chuang LI1, Shenghuan LIU3, Yunhe LIU1
Affiliations
  • 1.State Key Laboratory of Water Engineering Ecology and Environment in Arid Area，Xi’an University of Technology，Xi’an 710048，China
  • 2.School of Energy and Power Engineering，Xihua University，Chengdu 610039，China
  • 3.Shandong Survey and Design Institute of Water Conservancy Co.，Ltd.，Jinan 250013，China
Published: 2025-05-10 doi: 10.16385/j.cnki.issn.1004-4523.2025.05.022
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At present, the research of asphalt concrete core dam under near-fault ground motion is mostly carried out under the condition of single SV and P wave oblique incidence. In fact, the assumption of single wave oblique incidence is not comprehensive, and the near-fault ground motion should be considered as the case of combined P wave and SV wave oblique incidence. In this paper, the oblique incidence time history of SV wave and P wave in the site was determined based on ground motion inversion, and the deformation and damage of the core wall dam were obtained under the oblique incidence of SV and P wave combination near the fault, and the change law of the damage of the dam body with the horizontal and vertical ground motion intensity index was analyzed. The results show that the ultimate failure probability caused by the vertical near-fault ground motion index is obviously different from that caused by the horizontal direction. When the horizontal ground motion intensity indicators near the fault are selected as Sa(T1)1, Sv(T1)1, VSI1 and Sd(T1)1, and the vertical ground motion intensity indicators are selected as PGA2, Sa(T1)2, VSI2 and Sd(T1)2, the predicted failure probability of the dam body is moderate. The combined damage analysis method of horizontal and vertical ground motion should be considered when analyzing the vulnerability of core wall dam under near-fault ground motion.

near-fault ground motion  /  combined oblique incidence  /  asphalt concrete core dam  /  vulnerability analysis
Lin LIU, Zhiqiang SONG, Fei WANG, Chuang LI, Shenghuan LIU, Yunhe LIU. Vulnerability analysis of asphalt concrete core dam under near-fault ground motion[J]. Journal of Vibration Engineering, 2025 , 38 (5) : 1106 -1119 . DOI: 10.16385/j.cnki.issn.1004-4523.2025.05.022
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Year 2025 volume 38 Issue 5
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2025.05.022
  • Receive Date：2023-03-13
  • Online Date：2026-02-12
  • Published：2025-05-10
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History
  • Received：2023-03-13
  • Revised：2023-06-14
Funding
Affiliations
    1.State Key Laboratory of Water Engineering Ecology and Environment in Arid Area，Xi’an University of Technology，Xi’an 710048，China
    2.School of Energy and Power Engineering，Xihua University，Chengdu 610039，China
    3.Shandong Survey and Design Institute of Water Conservancy Co.，Ltd.，Jinan 250013，China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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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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