Research Article
Mixing Ratios and Cementing Mechanism of Similar Silty Mudstone Materials for Model Tests
Table 12
Range analysis of tensile strength.
| Evaluation indexes | Tensile strength (MPa) | Factor A (water content) | Factor B (barite powder ratio) | Factor C (gypsum mass) | Factor D (clay mineral ratio) |
| K1 | 3.25 | 2.42 | 2.61 | 2.79 | K2 | 2.11 | 2.76 | 2.81 | 2.89 | K3 | 1.79 | 2.21 | 2.64 | 2.56 | K4 | 3.63 | 3.39 | 2.73 | 2.54 | Range value R | 1.84 | 1.17 | 0.19 | 0.36 | Rank | 1 | 2 | 4 | 3 |
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