Research Article
Bending Properties of Short-Cut Basalt Fiber Shotcrete in Deep Soft Rock Roadway
Table 1
Physical and mechanical properties of basalt fiber.
| | Material | Diameter (μm) | Length (mm) | Density (g/cm3) | Tensile strength (MPa) | Modulus of elasticity (GPa) | Elongation at fracture (%) |
| | Basalt fibers | 13 | 18 | 2.65 | 4100∼4800 | 80∼100 | 2.7∼3.4 |
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