Research Article
Optimization of Construction Parameters and Deformation Characteristics of Large-Section Loess Tunnel: A Case Study from Xi’an Metro
Figure 6
Distribution characteristics of principal stress of supporting structure. (a) L1 = 0 m. (b) L1 = 2 m. (c) L1 = 4 m. (d) L1 = 9 m. (e) L1 = 16 m. (f) Relationship between maximum principal stress and excavation face distance (L1).
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