An Improved Stress and Strain Increment Approaches for Circular Tunnel in Strain-Softening Surrounding Rock Considering Seepage Force

<div>Comparison of dimensionless displacement for M-C rock mass.</div>

Advances in Materials Science and Engineering

Figure 9: An Improved Stress and Strain Increment Approaches for Circular Tunnel in Strain-Softening Surrounding Rock Considering Seepage Force 