Research Article
Optimization of Concrete Containing Polyethylene Terephthalate Powder and Rice Husk Ash Using Response Surface Methodology
Table 6
Optimization criteria of responses and variables.
| | Name | Goal | Lower limit | Upper limit | Lower weight | Upper weight | Importance |
| | A: RHA | Maximize | 0 | 15 | 1 | 1 | 3 | | B: PET | Maximize | 0 | 15 | 1 | 1 | 3 | | Slump | Is in range | 40 | 54 | 1 | 1 | 3 | | Compressive strength | Maximize | 15 | 24 | 1 | 1 | 3 | | Flexural strength | Maximize | 1.4 | 2.8 | 1 | 1 | 3 |
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