Table 9.
The weights of the factors and subfactors.
| Fuzzy weight vector | Defuzzified weights | |
|---|---|---|
| Characteristics of solid waste (A1) | (0.081,0.091,0.139,0.161) | 0.112 |
| Characteristics of environment (A2) | (0.075,0.087,0.132,0.159) | 0.108 |
| Tailing dam risk (A3) | (0.117,0.143,0.216,0.264) | 0.176 |
| Risk management (A4) | (0.138,0.165,0.260,0.315) | 0.209 |
| Utilization prospect (A5) | (0.264,0.323,0.487,0.580) | 0.395 |
| Physical characteristic (B1) | (0.185,0.214,0.299,0.369) | 0.256 |
| Chemical characteristic (B2) | (0.522,0.632,0.884,1.045) | 0.744 |
| Natural environment (B3) | (0.5, 0.5, 0.5, 0.5) | 0.5 |
| Social environment (B4) | (0.5, 0.5, 0.5, 0.5) | 0.5 |
| Characteristics of dam body (B5) | (0.386,0.487,0.730,0.885) | 0.598 |
| Drainage installation (B6) | (0.153,0.174,0.233,0.279) | 0.201 |
| Flood drainage facility (B7) | (0.153,0.174,0.233,0.279) | 0.201 |
| Risk prevention (B8) | (0.366,0.511,0.851,1.098) | 0.650 |
| Emergency response (B9) | (0.211,0.264,0.440,0.634) | 0.350 |
| Support of government (B10) | (1/3, 1/3, 1/3, 1/3) | 1/3 |
| Using proportion (B11) | (1/3, 1/3, 1/3, 1/3) | 1/3 |
| Technology maturity (B12) | (1/3, 1/3, 1/3, 1/3) | 1/3 |
| Volatility (C1) | (0.073,0.082,0.119,0.138) | 0.100 |
| Solubility (C2) | (0.195,0.218,0.343,0.375) | 0.274 |
| Radioactivity (C3) | (0.481,0.516,0.765,0.822) | 0.626 |
| Corrosivity (C4) | (0.065,0.080,0.134,0.161) | 0.104 |
| Acidity and alkaline (C5) | (0.046,0.053,0.086,0.107) | 0.068 |
| Acute toxicity (C6) | (0.323,0.361,0.615,0.687) | 0.470 |
| Extraction toxicity (C7) | (0.239,0.271,0.472,0.531) | 0.358 |
| Air (C8) | (0.039,0.046,0.073,0.094) | 0.053 |
| Soil (C9) | (0.127,0.152,0.351,0.443) | 0.230 |
| Geology (C10) | (0.172,0.231,0.661,0.815) | 0.403 |
| Hydrology (C11) | (0.127,0.152,0.351,0.443) | 0.230 |
| Ecology (C12) | (0.047,0.061,0.125,0.161) | 0.084 |
| Population density (C13) | (0.223,0.255,0.332,0.379) | 0.291 |
| Industry (C14) | (0.031,0.035,0.049,0.060) | 0.043 |
| Agriculture (C15) | (0.071,0.079,0.099,0.112) | 0.088 |
| Tourism (C16) | (0.071,0.079,0.099,0.112) | 0.088 |
| Animal husbandry (C17) | (0.071,0.079,0.099,0.112) | 0.088 |
| Distance of community (C18) | (0.296,0.346,0.464,0.537) | 0.402 |
| Seepage line and dry beach length (C19) | (0.270,0.339,0.514,0.631) | 0.417 |
| Height and capacity (C20) | (0.050,0.058,0.083,0.102) | 0.069 |
| Damming mode (C21) | (0.120,0.151,0.232,0.289) | 0.188 |
| Type of tailings (C22) | (0.050,0.058,0.083,0.102) | 0.069 |
| Service period (C23) | (0.050,0.058,0.083,0.102) | 0.069 |
| Material of dam (C24) | (0.120,0.151,0.232,0.289) | 0.188 |
| Returning reservoir (C25) | (0.257,0.329,0.479,0.581) | 0.390 |
| Seepage shaft (C26) | (0.257,0.329,0.479,0.581) | 0.390 |
| Drainage (C27) | (0.124,0.156,0.269,0.403) | 0.220 |
| Flood discharge trench (C28) | (0.5, 0.5, 0.5, 0.5) | 0.5 |
| Flood draining facility (C29) | (0.5, 0.5, 0.5, 0.5) | 0.5 |
| Revetment construction maintenance (C30) | (0.046,0.058,0.093,0.125) | 0.073 |
| Dam safety monitoring (C31) | (0.098,0.129,0.229,0.328) | 0.175 |
| Daily management (C32) | (0.153,0.212,0.386,0.543) | 0.291 |
| ISO authentication (C33) | (0.258,0.357,0.614,0.804) | 0.461 |
| Emergency capacity of rescuing facilities (C34) | (0.185,0.214,0.299,0.369) | 0.256 |
| Capacity of emergency protection and eliminating leak (C35) | (0.522,0.632,0.884,1.045) | 0.744 |