Research Article

Main Girder Deflection Variations in Cable-Stayed Bridge with Temperature over Various Time Scales

Table 2

Structural model parameters.

Component nameMaterialsGeometric parametersCoefficient of thermal expansion (/°C)

Steel box girderQ345D3.2 m height and 37.2 m width (including wind fairing)1.2 × 10−5
Stay cableHigh-strength low relaxation steel wire109 to 241 wire, 7 mm diameter1.36 × 10−5
Steel pylonQ370qD170.8 m height;
hollow rectangular cross section with 6.8  m × 5.0  m
1.2 × 10−5
Main piersC50 concrete35.2 m height;
Section with 12 m × 8.4  m
1.0 × 10−5
Auxiliary pierC40 concreteSeparated rectangular cross section hollow piers;
30m height
1.0 × 10−5
Transition pierC40 concreteSeparated rectangular cross section hollow piers;
24.8 m and 28.8 m height
1.0 × 10−5