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

Figure 19

Maximum shear strain cloud image with support model. (a) 0.25 MPa. (b) 0.32 MPa. (c) 0.48 MPa. (d) 0.58 MPa. (e) 0.63 MPa. (f) 0.67 MPa.

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