Figure 10
From: Damage and reliability analysis of double-arch tunnel without a middle pilot tunnel under blast load

Damage effect at an air pressure of 0.15 MPa. (a) 0.15–1, (b) 0.15–2, (c) 0.15–3.
From: Damage and reliability analysis of double-arch tunnel without a middle pilot tunnel under blast load

Damage effect at an air pressure of 0.15 MPa. (a) 0.15–1, (b) 0.15–2, (c) 0.15–3.