Study on Crack Evolution and Failure Mechanism of Fully Penetrated Fracture Grouting Body

Figure 10

Grouted body specimen cracking extension process at a displacement rate of 0.03 mm/s and a crack inclination angle of 30°.

(a) Stress-time relationship for specimens with fracture inclination of 30°

(b) Point A (136 s)

(c) Point B (148 s)

(d) Point C (154 s)

(e) Point D (164 s)

(f) Point E (171 s)

(g) Final damage