Effect of Deficiencies in the Tunnel Crown Thickness on Pressure Tunnels with Posttensioned Concrete Linings

<div>Distribution of the soil strata. <i>γ</i>′ = effective unit weight; <i>φ</i> = friction angle; <i>c</i> = cohesion; <i>E</i> = elastic modulus of soil (40 MPa); <i>μ</i> = Poisson’s ratio (0.3).</div>

Advances in Civil Engineering

fig5

Figure 5

Figure 5: Effect of Deficiencies in the Tunnel Crown Thickness on Pressure Tunnels with Posttensioned Concrete Linings 