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

Figure 11

Grouted body specimen cracking extension process at a displacement rate of 0.03 mm/s and a crack inclination angle of 45°.

(a) Stress-time relationship for specimens with fracture inclination of 45°

(b) Point A (46 s)

(c) Point B (51 s)

(d) Point C (54 s)

(e) Point D (58 s)

(f) Point E (59 s)

(g) Final damage