A New Multiconstraint Method for Determining the Optimal Cable Stresses in Cable-Stayed Bridges

Table 2

Comparison of the natural frequencies (Hz).

Modes	ULM	Multiconstraint method
1st vertical	0.216	0.217
1st transverse	0.097	0.099
2nd transverse	0.242	0.243
2nd vertical	0.271	0.273
3rd vertical	0.361	0.362
1st torsion	0.437	0.439
3rd transverse	0.402	0.402
4th vertical	0.417	0.418
4th transverse	0.575	0.577