Research Article
Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content
Table 4
Parameter variations of micropores of sandstone and mudstone with different moisture content.
| | Binary images | SEM images | Number of micropores | Total area of micropores (μm∧2) | Area of maximum micropore (μm∧2) | Diameter of maximum micropore (μm) | Surface porosity (%) |
| | Figure 10(a) | Figure 9(a) | 186 | 174.30 | 15.21 | 2.55 | 3.11 | | Figure 10(b) | Figure 9(b) | 275 | 195.33 | 11.46 | 7.43 | 3.49 | | Figure 10(c) | Figure 9(c) | 305 | 300.47 | 24.55 | 12.81 | 5.38 | | Figure 10(d) | Figure 9(d) | 394 | 579.26 | 27.50 | 10.79 | 11.4 | | Figure 12(a) | Figure 11(a) | 130 | 104.63 | 14.43 | 5.76 | 1.87 | | Figure 12(b) | Figure 11(b) | 297 | 418.31 | 25.46 | 11.15 | 7.46 |
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