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Effect of Thermophysical Parameters on Lining Temperature and Damage in Alpine Tunnels
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Yong-ke WEI1, 2, Guang-you CHEN3, Yue WU3, Qi-xiang YAN3, *, Ting-quan HE2, 3, Ren-hao CHEN4
Science Technology and Engineering | 2025, 25(14) : 6054 - 6061
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Science Technology and Engineering | 2025, 25(14): 6054-6061
• Papers·Traffics and Transportations •
Effect of Thermophysical Parameters on Lining Temperature and Damage in Alpine Tunnels
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Yong-ke WEI1, 2, Guang-you CHEN3, Yue WU3, Qi-xiang YAN3, *, Ting-quan HE2, 3, Ren-hao CHEN4
Affiliations
  • 1. Department of Underground Construction and Engineering, Tongji University, Shanghai 200092, China
  • 2. Guangxi New Development Transportation Group Co., Ltd., Nanning 530029, China
  • 3. Key Laboratory of Traffic Tunnel Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
  • 4. Guangxi Traffic Design Group, Nanning 530029, China
Published: 2025-05-18 doi: 10.12404/j.issn.1671-1815.2404227
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Frost damage is a key problem in the construction of alpine tunnels. A numerical model was established to consider heat conduction and convection for designing effective thermal insulation measures. Orthogonal test conditions were designed to analyze the significance of different thermophysical parameters on lining temperature and their influence on lining damage. The results show that the convection coefficient, the thermal conductivity of the insulation layer, and the thermal conductivity of the surrounding rock have significant influences. The thermal conductivity of the insulation layer has the most significant impact. As its thermal conductivity increases, the lowest lining temperature decreases, and the damage level increases. An increase in the convection coefficient decreases the minimum lining temperature and increases damage. Higher thermal conductivity of surrounding rock raises the minimum lining temperature, spreading damage from the vault to the sides. Reducing the thermal conductivity and convection coefficient of the insulation layer, while increasing the thermal conductivity of the surrounding rock, improves overall damage distribution.

high-altitude cold area tunnel  /  thermophysical parameter  /  temperature field  /  lining damage  /  significance analysis
Yong-ke WEI, Guang-you CHEN, Yue WU, Qi-xiang YAN, Ting-quan HE, Ren-hao CHEN. Effect of Thermophysical Parameters on Lining Temperature and Damage in Alpine Tunnels[J]. Science Technology and Engineering, 2025 , 25 (14) : 6054 -6061 . DOI: 10.12404/j.issn.1671-1815.2404227
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Article Info
doi: 10.12404/j.issn.1671-1815.2404227
  • Receive Date：2024-06-06
  • Online Date：2025-07-09
  • Published：2025-05-18
Article Data
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History
  • Received：2024-06-06
  • Revised：2025-02-21
Funding
Affiliations
    1. Department of Underground Construction and Engineering, Tongji University, Shanghai 200092, China
    2. Guangxi New Development Transportation Group Co., Ltd., Nanning 530029, China
    3. Key Laboratory of Traffic Tunnel Engineering, Ministry of Education, Southwest Jiaotong University, Chengdu 610031, China
    4. Guangxi Traffic Design Group, Nanning 530029, 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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