초록

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Abstract ▼ AI-Helper

The longer main span length is relative to the transverse deflections from wind load in suspension bridge. This effect occurs a kink and high stress in girder anchorage of each hanger rope. Because of these reasons, the bridge maintenances are hard of the high cost equipments with special functions ...

The longer main span length is relative to the transverse deflections from wind load in suspension bridge. This effect occurs a kink and high stress in girder anchorage of each hanger rope. Because of these reasons, the bridge maintenances are hard of the high cost equipments with special functions like as an universal joint. Therefore, at the planning stage of a suspension bridge, if the kink of hanger ropes will be reduced by the minimized relative displacement between main cables and girders, the bridge shall be more economical and easier maintenance. The objection of this study is looking for the optimized hanger rope setting according to the types of center stays with different sag ratios. As the result of the study, the hanger rope with a small sag ratio and without a central lock is the most optimized one.

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