Model Experimental Study on the Seepage and Failure Features of Tunnel under Wetting-Drying Alternation with Increasing Water Pressure

Table 1

Physical–mechanical properties of prototype and similar material.

Sandstone	2.51 g/cm^3	8.27%	81.83 MPa	11.74 MPa	8.89 GPa	18.61 MPa	43.08°
Similar material	2.02 g/cm^3	8.73%	323.73 kPa	43.50 kPa	25.78 MPa	79.40 kPa	37.34°