Research Article
Occurrence Mechanism of Roof-Fall Accidents in Large-Section Coal Seam Roadways and Related Support Design for Bayangaole Coal Mine, China
Table 1
Cable parameters in original support.
| Properties | Values |
| Diameter (mm) | 17.8 | Length (mm) | 7300 | Elastic modulus (GPa) | 237 | Tensile strength of steel strand (MPa) | 1860 | Maximum tensile load (kN) | 353 | Elongation (%) | 4 | Pre-tension (kN) | 0 |
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