Research Article

Train-Bridge Dynamic Behaviour of Long-Span Asymmetrical-Stiffness Cable-Stayed Bridge

Table 3

Design variables.

ParameterSpecificationAllowed decrease (%)Allowed increase (%)

x1Elasticity modulus of main beam−2525
x2Density of main beam−2525
x3Inertia moment of main beam around Y-axis−2525
x4Inertia moment of main beam around Z-axis−2525
x5Elasticity modulus of tower−2525
x6Density of tower−2525
x7Inertia moment of tower around Y-axis−2525
x8Inertia moment of tower around X-axis−2525
x9Elasticity modulus of stay-cable−2525