Research Article
Effect of Polypropylene Fiber on the Strength and Dry Cracking of Mortar with Coal Gangue Aggregate
Table 3
Properties indexes of PP fiber.
| | Type | Length (mm) | Diameter (μm) | Density (g/cm3) | Tensile strength (MPa) | Elastic modulus (MPa) | Softening point (°C) | Tensile limit (%) |
| | Monofilament | 3 | 0.91 | >400 | >3500 | 160 | 165 | 15 |
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