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Xihoumen Bridge




Name: Xihoumen Bridge
Type: Two-suspended-span continuous suspension bridge with separated steel box girder
Main span: 1650m
Location: Zhoushan, Zhejiang Province
Completion: 2009
Designer(s): CCCC Highway Consultants Co., Ltd.
Contractor(s): CCCC Second Highway Engineering Co., Ltd.
                         Sichuan Road & Bridge Construction Co., Ltd.
Xihoumen Bridge, having a total length of 2588m and deck widths of 2×11.5m with four traffic lanes in dual direction, is located in Zhoushan, Zhejiang Province, connecting Cezi Island and Jintang Island.The main bridge is a two-suspended-span suspension bridge with a central span of 1650m and a side span of 578m.The main features of the bridge are: (1) The twin separated box girder with a central slot is applied to improve the flutter stability of long-span suspension bridges with small width-to-span ratios; (2)The weight of main cables are reduced by the use of wire bundles of 1770MPa tensile strength made in China; (3)The new technique of horizontal unreeling cables is developed to solve the " hoop " problem during the cable erection, to save the quality of the cable, and to reduce the shipping weight.

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