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

<div>Time-history curve of initial support stress of 1-pilot tunnel. (a) Time-history curve of the initial support stress of 1-pilot tunnel in scheme II. (b) The comparison of time-history curve of the initial support stress of 1-pilot tunnel in the two schemes.</div>

Advances in Civil Engineering

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Figure 10

Figure 10: Influence of Different Excavation Sequence of Double-Side Heading Method on Supporting Structure 