Research Article
Effect of Hybrid Steel-Basalt Fiber on Behaviors of Manufactured Sand RPC and Fiber Content Optimization Using Center Composite Design
Table 8
Physical properties of basalt fibers.
| Index | Length (mm) | Diameter (mm) | Density (g/cm3) | Elastic modulus (GPa) | Tensile strength (MPa) | Elongation at fracture (%) |
| Unit value | 12 | 7–15 | 2.65 | 91∼110 | 3000∼4800 | 1.5∼3.2 |
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