Research Article

Simplified Analytical Method for Optimized Initial Shape Analysis of Self-Anchored Suspension Bridges and Its Verification

Table 5

Maximum internal forces and displacements in main members of Example .

SAMULM(S)G.TCUD [8]ULM(G) [8]

Horizontal tension component of the main cable (kN)88,807.288,807.1 88,824.2 88,824.2

Max. tension of the hanger cable (kN)6,932.56,931.3 6,932.56,932.5

Max. compressive force of the tower (kN)−140,967.7−141,464.9 −141,498.1 −141,498.1

Max. positive moment of the main girder (kN⋅m)6,202.66,204.86,198.86,198.8
Max. negative moment of the main girder (kN⋅m)−9,067.5−9,063.6−9,075.6−9,075.6

Max. bending moment of the tower (kN⋅m)0.06.20.00.0

Unstrained length of the entire main cable (m)612.504612.504612.505612.505

Horizontal displacement at the top of the tower (mm)0.00.00.00.0
Vertical displacement at the top of the tower (mm)0.00.00.00.0

Axial shortening of the whole main girder (mm)0.00.00.00.0
Max. vertical displacement of the main girder (mm)0.00.10.00.0