Research Article
Determining Tensile Strength of Rock by the Direct Tensile, Brazilian Splitting, and Three-Point Bending Methods: A Comparative Study
Table 2
Test results of different lithology samples with different methods.
| | Lithology | Direct tensile | Brazilian splitting | Three-point bending | | Tensile strength, σdt (MPa) | Elastic modulus, Edt (GPa) | Tensile strength, σst (MPa) | Elastic modulus, Est (GPa) | Tensile strength, σbt (MPa) | Elastic modulus, Ebt (GPa) |
| | Granite | 7.70 | 63.00 | 8.74 | 39.00 | 21.14 | 53.55 | | Marble | 5.84 | 33.16 | 6.84 | 18.60 | 9.46 | 27.78 | | Diabase | 5.67 | 49.92 | 6.61 | 34.78 | 10.60 | 44.73 |
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