Research Article
Seismic Risk Mitigation for a Portfolio of Reinforced Concrete Frame Buildings through Optimal Allocation of a Limited Budget
Table 4
Optimum budget allocations required to make the best possible structural intervention decision.
| Building | λpre-int | χpre-int | Decision zone | SRpre-int (k€) | Qit(q = 1648005) | Cit(q = 1648005)post-int (k€) | SRit(q = 1648005)post-int (k€) |
| 1 | 0.00092 | >3 | 4 | 2.3 | N | 0 | 2.2 | 2 | 0.00189 | 1.689 | 4 | 2.5 | N | 0 | 2.5 | 3 | 0.01050 | 0.305 | 2 | 23.0 | P | 1510.2 | 9.8 | 4 | 0.00937 | 0.341 | 2 | 10.8 | P | 751.7 | 5.2 | 5 | 0.00254 | 1.261 | 4 | 6.5 | N | 0 | 6.5 | 6 | 0.00175 | 1.830 | 4 | 4.2 | N | 0 | 4.2 | 7 | 0.00121 | 2.637 | 4 | 0.6 | N | 0 | 0.62 | 8 | 0.00639 | 0.500 | 2 | 3.0 | P | 225 | 2.1 | 9 | 0.00251 | 1.274 | 4 | 0.77 | N | 0 | 0.78 | 10 | 0.00684 | 0.468 | 2 | 17.9 | F | 2407 | 8.4 | 11 | 0.00763 | 0.419 | 2 | 40.6 | F | 5283.8 | 17.0 | 12 | 0.00280 | 1.143 | 4 | 4.1 | N | 0 | 4.1 | 13 | 0.00236 | 1.358 | 4 | 3.3 | N | 0 | 3.3 | 14 | 0.00221 | 1.451 | 4 | 1.1 | N | 0 | 1.1 | 15 | 0.00032 | >3 | 4 | 1.5 | N | 0 | 1.5 | 16 | 0.00119 | 2.689 | 4 | 2.4 | N | 0 | 2.4 | 17 | 0.00896 | 0.357 | 2 | 55.4 | P | 3912.4 | 27.8 | 18 | 0.00629 | 0.509 | 2 | 23.0 | F | 3121.8 | 11.7 | 19 | 0.00176 | 1.817 | 4 | 2.3 | N | 0 | 2.3 | 20 | 0.00480 | 0.667 | 2 | 3.0 | N | 0 | 3.1 | 21 | 0.00576 | 0.555 | 2 | 12.9 | F | 1753.9 | 7.2 | 22 | 0.00148 | 2.167 | 4 | 3.6 | N | 0 | 3.6 | 23 | 0.00212 | 1.512 | 4 | 4.4 | N | 0 | 4.4 | 24 | 0.00190 | 1.684 | 4 | 1.9 | N | 0 | 1.9 | 25 | 0.00153 | 2.090 | 4 | 0.75 | N | 0 | 0.74 | 26 | 0.00221 | 1.447 | 4 | 2.0 | N | 0 | 2.0 | 27 | 0.00233 | 1.375 | 4 | 3.0 | N | 0 | 3.0 | 28 | 0.00528 | 0.606 | 2 | 10.0 | F | 1172.8 | 6.1 | 29 | 0.00118 | 2.714 | 4 | 0.92 | N | 0 | 0.91 | 30 | 0.00136 | 2.353 | 4 | 1.1 | N | 0 | 1.1 | 31 | 0.00068 | >3 | 4 | 2.6 | N | 0 | 2.6 | 32 | 0.00296 | 1.081 | 4 | 8.2 | N | 0 | 8.2 | 33 | 0.00267 | 1.197 | 4 | 3.2 | N | 0 | 3.2 | 34 | 0.00000 | >3 | 4 | 0 | N | 0 | 0 | 35 | 0.00026 | >3 | 4 | 0.52 | N | 0 | 0.52 | 36 | 0.00227 | 1.411 | 4 | 7.5 | N | 0 | 7.5 | 37 | 0.02286 | 0.140 | 1 | 39.6 | D | 2309.1 | 5.5 | 38 | 0.00056 | >3 | 4 | 1.7 | N | 0 | 1.7 | 39 | 0.00866 | 0.370 | 2 | 5.9 | P | 425.7 | 3.1 | 40 | 0.00696 | 0.460 | 2 | 6.6 | F | 888.8 | 3.0 | 41 | 0.00197 | 1.623 | 4 | 1.0 | N | 0 | 1.0 | 42 | 0.00217 | 1.477 | 4 | 3.8 | N | 0 | 3.8 | 43 | 0.00404 | 0.792 | 3 | 6.5 | N | 0 | 6.5 | 44 | 0.00137 | 2.339 | 4 | 1.3 | N | 0 | 1.3 | 45 | 0.00058 | >3 | 4 | 1.0 | N | 0 | 1.0 | 46 | 0.00794 | 0.403 | 2 | 16.3 | P | 1,196.9 | 9.2 | | | | Total | 356.1 | ∑ | 24,959.5 | 207.0 |
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“D”: demolition and reconstruction; “N”: no intervention; “P”: partial retrofitting; “F” full retrofitting.
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