Optimization of Cable Force Adjustment in Cable-Stayed Bridge considering the Number of Stay Cable Adjustment

Table 1

Characteristics of cross sections.

Control section		A (m^2)	Iy (m^4)	Iz (m^4)	E (MPa)	L (MPa)
Main girder		24	21.7	3571.4	35500	17.8
Main pylon (top)		15.4	59.7	27.3	33500	16.2
Main pylon (bottom)		38.1	254.9	165.9	33500	16.2
Pile foundation		3.8	1.15	1.15	30000	10.05
Steel wire	PES7-163	0.006
	PES7-199	0.008
	PES7-223	0.009	0	0	205000	708
	PES7-283	0.011
	PES7-313	0.012

Note: A = cross-sectional area; I_x = moment of inertia for the x-axis; I_y = moment of inertia for the y-axis; E = elastic modulus; L = limit value of the stress.