Mechanical and Deformation Characteristics and Optimization of Support Parameters for Superlarge-Span Tunnel: A Case Study from Laohushan Tunnel

<div>Stress distribution of steel rib at YK2 + 449 section. (a) Maximum stress outside the steel rib. (b) Maximum stress inside the steel rib.</div>

Advances in Civil Engineering

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Figure 9

Figure 9: Mechanical and Deformation Characteristics and Optimization of Support Parameters for Superlarge-Span Tunnel: A Case Study from Laohushan Tunnel 

Figure 9 | Mechanical and Deformation Characteristics and Optimization of Support Parameters for Superlarge-Span Tunnel: A Case Study from Laohushan Tunnel 