Table 1.
Multiple-criteria decision analysis of solidification/stabilization cover scheme [65]. This picture was adapted from [65] with permission from publisher Elsevier in 10 May 2017.
| Structure | Main Criteria Weight |
Cost Accounting (€/m2) |
Normalized Cluster Value |
Priority Order | ||
|---|---|---|---|---|---|---|
| Above the Surface |
Below Surface | |||||
| SPC a | Vegetation (100 mm) | PC stabilized tailings (1 m) |
Economic, 33% Technical, 33% Social-Ecological, 33% |
26.32 | 0.172 | 3 |
| AAC b | Vegetation (100 mm) | AAC stabilized tailings (1 m) |
Economic, 33% Technical, 33% Social-Ecological, 33% |
26.78 | 0.238 | 2 |
| AHCL c | Vegetation (100 mm) + Moraine (300 mm) + tailings (200 mm) + CaO + moraine (200 mm) |
AAC stabilized tailings (300 mm) | Economic, 33% Technical, 33% Social-Ecological, 33% |
22.09 | 0.262 | 1 |
| Soil layer | 500 | |||||
| Multilayer | 2000–3000 | |||||
a stabilization with cement; b MgO activated ground granulated blast furnace slag; c advanced hardpan cover liner.