Damage Evolution and Circumferential Strain Distribution Characteristics of the Bolt-Supported Cavern under Multiple Explosion Sources

Figure 12

The circumferential strain-time curves of the measuring points. (a) Measuring points ε₁–ε₅. (b) Measuring points ε₆–ε₉. (c) Measuring points ε₁₀–ε₁₄. (d) Measuring points ε₁₅–ε₁₉. (e) Measuring points ε₂₀–ε₂₄.

(a)

(b)

(c)

(d)

(e)