Research Article
Influence of Chemical Corrosion on Pore Structure and Mechanical Properties of Sandstone
Table 4
Dynamic compression test results for specimens with different chemical solutions.
| Specimen group | Number | Strength (MPa) | Dynamic elastic modulus (GPa) | Tested | Average | Tested | Average |
| H2SO4 | A4 | 61.26 | 60.08 | 15.26 | 15.15 | A5 | 60.74 | 15.14 | A6 | 58.25 | 15.06 |
| Distilled water | B4 | 78.63 | 77.42 | 23.17 | 23.16 | B5 | 77.07 | 23 | B6 | 76.57 | 23.31 |
| NaOH | C4 | 66.03 | 65.03 | 17.53 | 17.29 | C5 | 64.95 | 17.22 | C6 | 64.12 | 17.12 |
| Natural | D4 | 87.03 | 85.79 | 30.66 | 30.77 | D5 | 85.2 | 30.89 | D6 | 85.14 | 30.75 |
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