Investigation on the Creep Failure Mechanism of Sandy Mudstone Based on Micromesoscopic Mechanics

Figure 6

Microstructure of sandy mudstone specimens after uniaxial compression test.

(a) Sample #1 (×2000)

(b) Sample #2 (×2000)

(c) Sample #1 (×3300)

(d) Sample #3 (×5000)

(e) Sample #1 (×5000)

(f) Sample #2 (×5000)

(g) Sample #1 (×10000)

(h) Sample #2 (×10000)