Research Article
Selection of Sustainable Supplementary Concrete Materials Using OSM-AHP-TOPSIS Approach
Table 1
Sustainability indicators along with subcriteria for selection of supplementary concrete materials.
| | Criteria | Subcriteria |
| | Technical (C1) | Support to concrete curing system (C11) | | Support to concrete compaction system (C12) | | Support to cohesiveness of concrete mix (C13) | | Support to consistency of concrete mix (C14) | | Comply strength requirement of concrete mix (C15) | | Comply durability requirements of concrete mix (C16) | | Relative proportion of concrete components (C17) | | Supplementary material availability (C18) |
| | Environmental (C2) | Energy conservation (C21) | | Concrete material conservation (C22) | | Waste material utilization (C23) | | Conformation to environmental standards (C24) | | Reduction in carbon foot print (C25) | | Resistance to extreme exposure conditions (C26) |
| | Social (C3) | Waste material cleaning (C31) | | Public welfare and safety (C32) | | Increased employment (C33) |
| | Economic (C4) | Concrete production cost (C41) | | Supplementary material transportation cost (C42) | | Life-long maintenance cost (C43) |
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