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€)	Q^it(q = 1648005)	C^it(q = 1648005)post-int (k€)	SR^it(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

“D”: demolition and reconstruction; “N”: no intervention; “P”: partial retrofitting; “F” full retrofitting.