Multiobjective Optimization Method for the Diversion Scheme of Lean Concrete Overtopped Cofferdam under Multiconstraint Conditions

Table 6

Characteristics of noninferior solution diversion schemes.

Diversion scheme	Diameter of the diversion tunnel (m)	Weir height of the cofferdam (m)	Required free float time (d)	Construction cost (10^4¥)	Construction time of cofferdam (d)
1	9.6	32.2	3	11649.37	60
2	9.7	31.6	7	11727.52	57
3	9.8	31.0	10	11809.88	55
4	9.9	30.5	13	11896.09	53
5	10.0	30.0	16	11985.76	51
6	10.1	29.5	19	12078.59	49
7	10.2	29.1	21	12174.26	48
8	10.3	28.7	23	12272.50	46
9	10.4	28.3	25	12373.05	45
10	10.5	28.0	27	12475.67	44