Research Article
Mechanical Properties of Weathered Feldspar Sandstone after Experiencing Dry-Wet Cycles
Table 3
Height deviations Sa of the feldspar sandstone surface in Groups A and B after the dry-wet cycles.
| | Number of wet and dry cycles | Measurement area | | Surface height deviation of group A (μm) | Surface height deviation of group B (μm) | | No. 1 | No. 2 | No. 3 | Average value | No. 1 | No. 2 | No. 3 | Average value |
| | 0 | 4.37 | 5.21 | 5.52 | 5.03 | 4.84 | 5.52 | 4.99 | 5.12 | | 5 | 5.47 | 5.34 | 5.39 | 5.40 | 5.47 | 7.43 | 5.99 | 6.30 | | 10 | 5.57 | 5.84 | 5.48 | 5.63 | 6.36 | 6.15 | 6.68 | 6.40 | | 15 | 5.96 | 5.84 | 5.68 | 5.83 | 7.01 | 6.44 | 8.21 | 7.22 | | 20 | 5.84 | 5.83 | 6.19 | 5.95 | 7.47 | 10.62 | 6.67 | 8.25 | | 25 | 5.80 | 6.21 | 6.26 | 6.09 | 9.36 | 7.53 | 8.78 | 8.56 |
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