Research Article
Effect of Hybrid Steel-Basalt Fiber on Behaviors of Manufactured Sand RPC and Fiber Content Optimization Using Center Composite Design
Table 14
Definitions of factors and responses in the multiobjective optimization process.
| | Factors and responses | Goal | Lower limit | Upper limit | Importance |
| | Steel fiber (%) | In range | 1.44 | 3.56 | 3 | | Basalt fiber (%) | In range | 0.05 | 0.3 | 3 | | Compressive strength (MPa) | Maximize | 119.51 | 144.08 | 3 | | Flexural strength (MPa) | Maximize | 14.52 | 23.16 | 3 | | Flexural-compressive ratio (%) | Maximize | 12.15 | 16.38 | |
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