Research Article
Crack Evolution Characteristics and Cracking Mechanism of Red Beds in Central Sichuan during Seepage and Swelling
Table 3
Final crack degree of samples.
| Sample number | Lithology | Method of water absorption | Initial water content (%) | Final crack degree (%) |
| 1# | Mudstone | Capillary absorption | 4.01 | 8.06 | 2# | 2.95 | 12.81 | 3# | 1.56 | 17.18 | 4# | Soaking absorption | 4.01 | 14.50 | 5# | 2.90 | 28.20 | 6# | Argillaceous sandstone | Soaking absorption | 3.37 | 7.25 | 7# | 2.56 | 8.36 | 8# | Sandstone | 3.34 | 0 |
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