Research Article
A Study of Impact Response and Its Numerical Study of Hybrid Polypropylene Fiber-Reinforced Concrete with Different Sizes
Table 1
Physical-mechanical indices of polypropylene fibers.
| | PP fiber | Diameter (mm) | Length (mm) | Tensile strength (MPa) | Elastic modulus (GPa) | Percentelongation | Density (kg/m3) | Recommended content (kg/m3) |
| | Fine PP | 0.026 | 19 | 641 | 4.5 | 40 | 910 | 0.9 | | Coarse PP | 0.8 | 50 | 706 | 7.4 | 10 | 950 | 6.0 |
|
|
