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Xuanyang Zhang, Miao Yu, Jiaxin Liang, Chao Yang and Wei Liu
For rectangular section tunnel construction, soil bin pressure fluctuates under biaxial emergence conditions. Support pressure is difficult to uniformly distribute, and it can easily cause instability of the tunneling face. The Silo-wedge model is used t...
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Morteza Esmaeili, Jafar Hosseini Manoujan, Jafar Chalabii, Farshad Astaraki and Majid Movahedi Rad
Tunnel face extrusion rigidity is an important factor for solving stress?strain problems in loose ground conditions. In previous studies, the effect of horizontal and vertical soil layering on tunnel excavation face stability in the presence of longitudi...
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Keqi Liu, Wantao Ding and Chunxu Qu
The penetration characteristics of the slurry and the support pressure transfer mechanisms are critical to the tunnel face stability control during a mechanized excavation. In this paper, numerical calculations coupling computational fluid dynamics (CFD)...
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Mingli Huang, Zhien Zhang, Yuan Song, Song Gao and Chunbo Yu
The factors leading to the collapse of tunnel face are diverse, and there is an interaction relationship between multiple influencing factors at the physical and mechanical level. By analyzing the coupling relationship between the factors affecting the i...
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Qingbin Zhang, Zongxian Zhang, Congshi Wu, Junsheng Yang and Zhenyu Wang
The effect of a blasting vibration from an excavating tunnel on an adjacent excavated tunnel is of great importance for the stability and security of twin tunnels. Due to the relatively small distance between the tunnel face of the excavating tunnel and ...
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Hu Wang, Jian Chen, Hongjun Liu, Lei Guo, Yao Lu, Xiuting Su, Yongmao Zhu and Tao Liu
In the construction of subsea tunnels, the stability and control of the excavation surface are the main concerns of the engineering community. In this paper, the Xiamen Metro Line 2 is used as the study case. The filter cake formation of mud shields is e...
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