Influences of Saturation and Wetting-Drying Cycle on Mechanical Performances of Argillaceous Limestones from Liupanshan Tunnel, China

Figure 8

SEM images of argillaceous limestones after the cycle effect of wetting-drying: (a) N = 0, (b) N = 3, (c) N = 6, (d) N = 8, (e) N = 10, and (f) N = 12.

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