Influence of Different Excavation Sequence of Double-Side Heading Method on Supporting Structure

<div>Time-history curves of tunnel initial support displacement under different schemes. (a) Time-history curve of tunnel initial support displacement in scheme I. (b) Time-history curve of tunnel initial support displacement in scheme II.</div>

Advances in Civil Engineering

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Figure 7

Figure 7: Influence of Different Excavation Sequence of Double-Side Heading Method on Supporting Structure 