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Influence of soil pore size and structure heterogeneity on the dynamic characteristics of circular lining subjected to P-wave
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Hai-bin DING1, 2, 3, Zhi-yun LIU1, 2, 3, Peng LI4, Chang-ke CHEN1, 2, 3, Li-hong TONG1, 2, 3, Chang-jie XU1, 2, 3
Journal of Vibration Engineering | 2024, 37(11) : 1959 - 1968
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Journal of Vibration Engineering | 2024, 37(11): 1959-1968
Influence of soil pore size and structure heterogeneity on the dynamic characteristics of circular lining subjected to P-wave
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Hai-bin DING1, 2, 3, Zhi-yun LIU1, 2, 3, Peng LI4, Chang-ke CHEN1, 2, 3, Li-hong TONG1, 2, 3, Chang-jie XU1, 2, 3
Affiliations
  • 1State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure，East China Jiaotong University，Nanchang 330013，China
  • 2Engineering Research & Development Centre for Underground Technology of Jiangxi Province， Nanchang 330013，China
  • 3Jiangxi Key Laboratory of Infrastructure Safety Control in Geotechnical Engineering， East China Jiaotong University，Nanchang 330013，China
  • 4CCCC Second Public Bureau Third Engineering Company Limited，Xi’an 710016，China
Published: 2024-11-28 doi: 10.16385/j.cnki.issn.1004-4523.2024.11.016
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Based on the strain gradient nonlocal Biot theory，the analytical solution of the dynamic response of the tunnel lining under the action of P-wave is obtained by using the wave function expansion method and the boundary conditions between saturated soil and lining with the deeply buried circular lining as the research object. The influence of non-local parameters and size factors on the dynamic stress concentration factor （DSCF） is investigated for different incident P-wave frequencies. The results show that when the incident wave frequency is low，the non-local parameters and size factor have almost no effect on the DSCF. As the incident wave frequency increases，the effects of the non-local parameters and size factor on the DSCF become more and more obvious. The non-local parameters are negatively correlated with the DSCF，and the size factor is positively correlated with the DSCF. The maximum dynamic stresses in the lining appear on the right side of the lining. With an increase of frequency，the DSCF in the lining shows obvious radial direction and the dynamic stresses in the lining appear in the right side of the lining. The maximum dynamic stresses in the lining all appear on the right side of the lining，With an increase of frequency，the DSCF in the lining shows obvious fluctuation along the radial direction，and the non-local parameters and size factor have little influence on the distribution pattern of the cyclic stresses in the lining.

strain gradient non-local Biot theory  /  tunnel lining  /  non-local parameters  /  scale factors  /  DSCF
Hai-bin DING, Zhi-yun LIU, Peng LI, Chang-ke CHEN, Li-hong TONG, Chang-jie XU. Influence of soil pore size and structure heterogeneity on the dynamic characteristics of circular lining subjected to P-wave[J]. Journal of Vibration Engineering, 2024 , 37 (11) : 1959 -1968 . DOI: 10.16385/j.cnki.issn.1004-4523.2024.11.016
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Year 2024 volume 37 Issue 11
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Article Info
doi: 10.16385/j.cnki.issn.1004-4523.2024.11.016
  • Receive Date：2023-12-29
  • Online Date：2026-02-12
  • Published：2024-11-28
Article Data
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History
  • Received：2023-12-29
  • Revised：2024-01-27
Funding
Affiliations
    1State Key Laboratory of Performance Monitoring and Protecting of Rail Transit Infrastructure，East China Jiaotong University，Nanchang 330013，China
    2Engineering Research & Development Centre for Underground Technology of Jiangxi Province， Nanchang 330013，China
    3Jiangxi Key Laboratory of Infrastructure Safety Control in Geotechnical Engineering， East China Jiaotong University，Nanchang 330013，China
    4CCCC Second Public Bureau Third Engineering Company Limited，Xi’an 710016，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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