峡谷河流的挂网式人行悬索桥设计
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1.江苏交通工程咨询监理有限公司;2.东南大学土木工程学院

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江苏省自然科学资助(BK2012755)


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    摘要:

    为了降低峡谷河流人行悬索桥的造价,本文提出一种峡谷河流的双曲抛物面空间缆索挂网式人行悬索桥,将双曲抛物面空间缆索网分散锚固于峡谷河流两侧的悬崖陡壁岩石之上,取消桥塔,取消吊索体系,管桁架式桥面加劲梁直接搁置在双曲抛物面空间缆索网之上,节约造价,装配式施工简便。结合某150m跨径峡谷河流人行景观悬索桥,建立Midas有限元分析模型,开展动力模态特性分析研究,验证了双曲抛物面空间缆索挂网式人行悬索桥结构具有良好的抗风稳定性。

    Abstract:

    In order to reduce the cost of pedestrian suspension bridge in Canyon River, a hyperbolic paraboloid space cable hanging-network pedestrian suspension bridge in Canyon river is proposed in this paper. The hyperbolic paraboloid space cable hanging-network is dispersed and anchored on the cliff and steep wall rocks on both sides of Canyon River, the bridge tower and sling-cable system are cancelled, and the pipe-truss bridge deck stiffening beam is directly placed on the hyperbolic paraboloid space cable hanging-network, Cost saving and simple assembly construction. Combined with a 150m span pedestrian landscape suspension bridge in Canyon River, Midas finite element analysis model is established, dynamic modal analysis is carried out, and it is verified that the hyperbolic paraboloid space cable hanging-network pedestrian suspension bridge structure has good wind stability.

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李兵,王国华,王天宇,陈若飞.峡谷河流的挂网式人行悬索桥设计[J].城市道桥与防洪,2022,(9):95-98.

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  • 收稿日期:2022-01-05
  • 最后修改日期:2022-01-05
  • 录用日期:2022-02-09
  • 在线发布日期: 2022-09-22
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