Research Article
Occurrence Mechanism of Roof-Fall Accidents in Large-Section Coal Seam Roadways and Related Support Design for Bayangaole Coal Mine, China
Table 2
Cable parameters in new support.
| Properties | Values |
| Diameter (mm) | 21.8 | Length (mm) | 9000 | Elastic modulus (GPa) | 237 | Tensile strength of steel strand (MPa) | 1860 | Maximum tensile load (kN) | 607 | Elongation (%) | 7 | Pre-tension (kN) | 200 |
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