Research Article
Static Mechanical Properties and Microscopic Analysis of Hybrid Fiber Reinforced Ultra-High Performance Concrete with Coarse Aggregate
| Index | Level | Factor A | Factor B | Factor C | Coarse aggregate | Polypropylene fiber | Steel fiber |
| Cube crushing strength (MPa) | K1 | 108.73 | 114.33 | 95.23 | K2 | 119.90 | 115.18 | 110.83 | K3 | 115.05 | 116.23 | 121.38 | K4 | 112.35 | 110.30 | 128.60 | R | 11.17 | 5.93 | 33.37 | Bending strength (MPa) | K1 | 16.76 | 14.21 | 11.86 | K2 | 16.28 | 15.00 | 14.00 | K3 | 14.93 | 16.05 | 16.70 | K4 | 12.53 | 15.23 | 17.93 | R | 4.23 | 1.84 | 6.07 | Static compressive elastic modulus (GPa) | K1 | 43.88 | 48.30 | 46.88 | K2 | 48.55 | 48.40 | 48.08 | K3 | 50.05 | 48.40 | 49.25 | K4 | 51.00 | 48.38 | 49.40 | R | 7.13 | 0.10 | 2.53 |
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