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

Table 2

Range of constraint conditions.

Constraints	COM_1	COM_2	IOM_1	IOM_2	Units
Cable force	[0.18, 0.40]	[0.18, 0.40]	[0.18, 0.40]	[0.18, 0.40]	FpkA kN
Uniformity of cable force	[−100, 100]	[−100, 100]	[−100, 100]	[−100, 100]	kN
Vertical displacement of girders	[−0.05, 0.05]	[−0.05, 0.05]	[−0.05, 0.05]	[−0.05, 0.05]	m
Displacement of bridge tower along bridge	[−0.03, 0.03]	[−0.02, 0.02]	[−0.03, 0.03]	[−0.02, 0.02]	m
Relative displacement of North-South girders	[−0.08, 0.08]	[−0.01, 0.01]	[−0.08, 0.08]	[−0.01, 0.01]	m
Counterweights	—	—	[0, 500]	[0, 500]	kN
Solvable	Yes	No	Yes	Yes	—