Abstract
Depend on the Cha Ping Bridge on Yan-Ru Highway, through modeling a dimensional, the thesis researches the curved bridge’s force analysis under different radius of curvature and working conditions. Studies shows as follows: 1) as the continuous rigid frame curved bridges exist greater torque, the box girder generates lateral deformation. 2)the lateral deformation is inversely proportional to the curved bridge’s radius of curvature, the larger the radius of curvature is, the greater the lateral deformation is. 3) variation of the radius of curvature has little effects on the longitudinal stress, vertical deformation and vehicle load. The above conclusions can be borrowed for the design and construction of the similar continuous rigid frame curved bridges.
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