Table 15 Fusion results of comprehensive risk assessment for foundation excavation.
Construction stage | Methods | m(I) | m(II) | m(III) | m(IV) | \(m(\Theta )\) | Fusion result |
|---|---|---|---|---|---|---|---|
Excavate the first soil layer | This method | 0.000 | 0.000 | 0.139 | 0.682 | 0.179 | IV |
Weighted evidence | 0.000 | 0.000 | 0.000 | 0.583 | 0.417 | IV | |
Erect the first support | This method | 0.000 | 0.000 | 0.142 | 0.709 | 0.149 | IV |
Weighted evidence | 0.000 | 0.000 | 0.124 | 0.653 | 0.223 | IV | |
Excavate the second soil layer | This method | 0.000 | 0.000 | 0.147 | 0.694 | 0.159 | IV |
Weighted evidence | 0.000 | 0.000 | 0.128 | 0.566 | 0.306 | IV | |
Erect the second support | This method | 0.000 | 0.107 | 0.000 | 0.737 | 0.156 | IV |
Weighted evidence | 0.000 | 0.097 | 0.000 | 0.665 | 0.238 | IV | |
Excavate the third soil layer | This method | 0.000 | 0.122 | 0.000 | 0.794 | 0.084 | IV |
Weighted evidence | 0.000 | 0.118 | 0.000 | 0.661 | 0.221 | IV | |
Erect the third support | This method | 0.000 | 0.126 | 0.000 | 0.863 | 0.011 | IV |
Weighted evidence | 0.000 | 0.119 | 0.000 | 0.795 | 0.086 | IV | |
Excavate the fourth soil layer | This method | 0.000 | 0.154 | 0.000 | 0.694 | 0.152 | IV |
Weighted evidence | 0.000 | 0.132 | 0.000 | 0.518 | 0.350 | IV | |
Erect the fourth support | This method | 0.000 | 0.165 | 0.304 | 0.424 | 0.107 | IV |
Weighted evidence | 0.000 | 0.147 | 0.254 | 0.389 | 0.210 | IV | |
Excavate the fifth soil layer | This method | 0.176 | 0.000 | 0.234 | 0.428 | 0.162 | IV |
Weighted evidence | 0.063 | 0.000 | 0.147 | 0.488 | 0.302 | IV | |
Whole foundation | This method | 0.016 | 0.103 | 0.167 | 0.644 | 0.020 | IV |
Weighted evidence | 0.063 | 0.000 | 0.147 | 0.488 | 0.302 | IV |
