The Analysis of Time-Space Effect of Surrounding Rock Deformation of TBM Tunnels in Deep Composite Stratum with or without Support

<div>Calculation diagram of supporting structure of supporting force (unbiased tunnels).</div>

Advances in Civil Engineering

Figure 24: The Analysis of Time-Space Effect of Surrounding Rock Deformation of TBM Tunnels in Deep Composite Stratum with or without Support 