Research Article
Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content
Table 3
The expression between mechanical properties and moisture content.
| Rock type | Mechanical properties | Expression | |
| Sandstone | Shear strength | | 0.93 | Cohesion | | 0.94 | Internal friction angle | | 0.91 |
| Mudstone | Shear strength | | 0.94 | Cohesion | | 0.92 | Internal friction angle | | 0.86 |
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