Investigation of microscopic pore structure variations of shale due to hydration effects through SEM fixed-point observation experiments |
Weibo SUI,Yingying TIAN,Chenhao YAO |
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Fig. 3. Micro-pore structure characteristics of Sample 4 before and after hydration. (a) Bedding-parallel Specimen 4H, before hydration; (b) Bedding-parallel Specimen 4H, 6 days hydration; (c) Bedding-vertical Specimen 4V, before hydration; (d) Bedding-vertical Specimen 4V, 6 days hydration. |