Research Article
Research on Pure Modes I and II and Mixed-Mode (I/II) Fracture Toughness of Geopolymer Fiber-Reinforced Concrete
Table 2
Information about the properties of fibers.
| | Properties/Fiber type | Short fiber | Long fiber | | Polypropylene | Steel | Polypropylene | Steel |
| | Length (mm) | 13 | 30 | 45 | 50 | | Diameter (mm) | 0.01 | 0.5 | 0.8 | 1 | | Tensile strength (MPa) | 360 | 1200 | 500 | 1150 | | Aspect ratio | 1300 | 60 | 56.25 | 50 |
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