Research Article
Selection of Sustainable Supplementary Concrete Materials Using OSM-AHP-TOPSIS Approach
Table 4
Pairwise comparison of OSM-ranked concrete supplementary material.
| | Material | BFS | MN | FA | SF | NPSSM | Weights |
| | BFS (A1) | 1.00 | 1.00 | 0.50 | 2.00 | 1.00 | 0.1725 | | MN (A2) | 1.00 | 1.00 | 0.50 | 2.00 | 1.00 | 0.1725 | | FA (A3) | 2.00 | 2.00 | 1.00 | 7.00 | 3.00 | 0.4185 | | SF (A4) | 0.50 | 0.50 | 0.14 | 1.00 | 0.50 | 0.0776 | | NPSSM (A5) | 1.00 | 1.00 | 0.33 | 2.00 | 1.00 | 0.1590 | | TOTAL | 5.500 | 5.500 | 2.476 | 14.000 | 6.500 | 1.0000 | | | λmax = 5.0393, CI = 0.0098 | RI = 1.12, CR = 0.0088 |
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