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The GongWang Bridge is a wide-width steel box girder and butterfly-shaped steel arch composite bridge with (35 + 2 × 95 + 35) m span. The steel stacked arches are butterfly-shaped adopting the double span skew curve. The arch rib tilted 15° and the suspenders with spatial four-cable-plane are also tilted 15° longitudinally. The superstructure is designed as a double-side-box girder grid system, using steel-super toughness concrete composite bridge decks, and the substructure adopts V-shaped piers. The bridge has a beautiful and novel shape and reasonable structural stress, serving as an example for the design of urban landscape arch bridge.

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Overall Design of a Wide-Width Steel Box Girder and Butterfly-Shaped Steel Arch Composite Bridge—The Gongwang Bridge in Hangzhou, Zhejiang, China

  • 会议论文

  • 发表日期：

    2025年

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  • Yuanhui Zhan,
  • Xiaogang Li,
  • Jiasi Huang,
  • Yucheng Fu,
  • Yuqin Jiang

摘要

The GongWang Bridge is a wide-width steel box girder and butterfly-shaped steel arch composite bridge with (35 + 2 × 95 + 35) m span. The steel stacked arches are butterfly-shaped adopting the double span skew curve. The arch rib tilted 15° and the suspenders with spatial four-cable-plane are also tilted 15° longitudinally. The superstructure is designed as a double-side-box girder grid system, using steel-super toughness concrete composite bridge decks, and the substructure adopts V-shaped piers. The bridge has a beautiful and novel shape and reasonable structural stress, serving as an example for the design of urban landscape arch bridge.