Multiobjective Optimization of Cable Forces and Counterweights for Universal Cable-Stayed Bridges

Table 3

Comparison of maximum values of reasonable finished state between COM and IOM.

Evaluation index	COM	IOM	Units
Main objective function U	8.62 E + 15	9.31 E + 15	kN·m
Secondary objective function S	0	3.16 E + 07	kN
Maximum bending moment of main tower	4.90 E + 07	5.38 E + 07	kN·m
Maximum bending moment of low tower	5.84 E + 07	4.80 E + 07	kN·m
Maximum bending moment of north girders	5.24 E + 08	4.96 E + 08	kN·m
Maximum bending moment of south girders	4.00 E + 08	4.46 E + 08	kN·m
Maximum displacement of main tower along the bridge	0.03	0.01	m
Maximum displacement of low tower along the bridge	0.03	0.01	m