Research Article
Study on Mechanical Properties and Control Technology of Surrounding Rock in the Fracture Zone of a Roadway
Table 1
Physical and mechanical parameters of each specimen.
| | Name | No. | Mass (g) | Length (mm) | Diameter (mm) | Tensile strength (MPa) | Average value (MPa) |
| | Silty mudstone | >A9 | 141.9 | 34.1 | 49.4 | 1.43 | 1.44 | | A10 | 149.3 | 34.3 | 49.4 | 1.48 | | A11 | 148.0 | 34.1 | 49.4 | 1.40 |
| | Sand-mudstone interlayer | B9 | 115.6 | 27.1 | 49.4 | 1.51 | 1.61 | | B10 | 116.3 | 26.8 | 49.4 | 1.64 | | B11 | 115.3 | 26.9 | 49.4 | 1.68 |
| | Fine sandstone | C9 | 126.1 | 26.8 | 49.4 | 3.76 | 3.70 | | C10 | 125.0 | 26.5 | 49.4 | 3.84 | | C11 | 124.7 | 26.4 | 49.5 | 3.48 |
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