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Mechanical behavior of shield tunnel reinforced with corrugated plates: from joint to full ring
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Yingjie Guoa, b, c, Wenqi Dinga, b, Chang Maa, b, *, Jixiang Tanga, b, Qingzhao Zhanga, b
Underground Space | 2026, 27 : 132 - 149
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Underground Space | 2026, 27: 132-149
• Research Paper •
Mechanical behavior of shield tunnel reinforced with corrugated plates: from joint to full ring
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Yingjie Guoa, b, c, Wenqi Dinga, b, Chang Maa, b, *, Jixiang Tanga, b, Qingzhao Zhanga, b
Affiliations
  • aDepartment of Geotechnical Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China
  • bKey Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China
  • cShandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250031, China
Published: 2026-04-10 doi: 10.1016/j.undsp.2025.03.008
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To mitigate the defects of shield tunnels in operation, a reinforcement method using corrugated plates was proposed. This paper aims to present a comprehensive investigation of the effectiveness of this method. Taking into account the corrugated plate joints, full-scale tests were designed and conducted on two specimens of segmental joints: one unreinforced and one reinforced. The test results revealed that the failure mode of the reinforced specimen was characterized by shear failure of the chemical anchors, followed by concrete crushing. The effectiveness of reinforcement highly depends on the shear capacity of the chemical anchors. After reinforcement, the flexural stiffness and ultimate bearing capacity of the specimen increased by 112.4% and 32.5%, respectively. Two refined numerical models, developed at both the joint scale and full-ring scale, were validated for corrugated plate reinforced shield tunnels. The numerical results indicated that, with full-ring reinforcement, the overall stiffness and the bearing capacity increased by 341.4% and 39.6%, respectively. Notably, shear stress in the chemical anchors was more pronounced at the tunnel vault and haunch, suggesting the need for localized optimization of the chemical anchors in these areas.

Shield tunnel  /  Segmental joints  /  Corrugated plate reinforcement  /  Mechanical test  /  Numerical simulation
Yingjie Guo, Wenqi Ding, Chang Ma, Jixiang Tang, Qingzhao Zhang. Mechanical behavior of shield tunnel reinforced with corrugated plates: from joint to full ring[J]. Underground Space, 2026 , 27 : 132 -149 . DOI: 10.1016/j.undsp.2025.03.008
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Funding
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  • National Natural Science Foundation of China(52378405; 52090083)
  • Major Science and Technology Project of the Yunnan Department of Transportation(202302AD080007)
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Year 2026 volume 27 Issue 0
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Article Info
doi: 10.1016/j.undsp.2025.03.008
  • Receive Date：2024-11-16
  • Online Date：2026-06-17
  • Published：2026-04-10
Article Data
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History
  • Received：2024-11-16
  • Revised：2025-01-22
  • Accepted：2025-03-11
Funding
National Natural Science Foundation of China(52378405; 52090083)
Major Science and Technology Project of the Yunnan Department of Transportation(202302AD080007)
Affiliations
    aDepartment of Geotechnical Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China
    bKey Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai 200092, China
    cShandong Provincial Communications Planning and Design Institute Group Co., Ltd., Jinan 250031, China

Corresponding:

* Department of Geotechnical Engineering, College of Civil Engineering, Tongji University, Shanghai 200092, China. E-mail address: (C. Ma).
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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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