Shock and Vibration / 2017 / Article / Fig 13

Research Article

Experimental Study on the Softening Characteristics of Sandstone and Mudstone in Relation to Moisture Content

Figure 13

Histograms and line charts of parameter changes of micropores of mudstone and sandstone extracted from SEM images with different moisture content: (a) surface porosity; (b) area of total micropores; (c) number of micropores; (d) area of maximum micropores; (e) perimeter of maximum micropores (1 mudstone with moisture 1.54%; 2 mudstone with moisture content 1.87%; 3 mudstone with moisture content 2.96%; 4 mudstone with moisture content 4.31%; 5 sandstone with moisture content 0.84%; 6 sandstone with moisture content 2.10%).
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