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Self-anchored suspension bridge

机译:自锚式悬索桥

摘要

A method for constructing a suspension bridge in places where it is not feasible to construct permanent earth anchorages land at either or both ends of the suspension bridge span is disclosed. The method of constructing the self-anchored suspension bridge comprises the use of preexisting permanent structures solely or in combination with minimum temporary structures to provide temporary anchor points for main suspension cables during construction. Once the suspension bridge span end structures are properly secured by a tensioning cable to the temporary structure or by a temporary connection to a permanent structure and the deck segment of pier table is lifted into place and tied down on an end support, the main suspension bridge cables are erected, suspenders are then erected from the main cable, and further construction of the bridge proceeds. Once the bridge deck segments are all erected and integrated with the end piers, temporary PT bars or cables connecting end supports to either preexisting or temporary structures are gradually released to transfer anchoring force back to the bridge deck. The temporary PT bars, cables and the temporary structures (if used) are then disassembled and removed.
机译:公开了一种在无法在悬索桥跨度的两端或两端构造永久土锚地的地方建造悬索桥的方法。构造自锚式悬索桥的方法包括单独使用预先存在的永久结构或与最小临时结构组合使用,以在施工期间为主要悬索提供临时锚固点。一旦将悬索桥的端部结构通过张紧电缆正确地固定到临时结构或通过临时连接到永久性结构,并且将墩台的甲板段提升到位并绑在末端支撑上,则主悬索桥竖立电缆,然后从主电缆竖起吊线,然后继续建造桥梁。一旦桥面板段全部竖立并与端墩整合在一起,将连接终端支架到既有或临时结构的临时PT杆或电缆逐渐释放,将锚固力传回到桥面板。然后拆下临时PT条,电缆和临时结构(如果使用)。

著录项

  • 公开/公告号US2007124876A1

    专利类型

  • 公开/公告日2007-06-07

    原文格式PDF

  • 申请/专利权人 JIAN REN TAO;

    申请/专利号US20050292497

  • 发明设计人 JIAN REN TAO;

    申请日2005-12-01

  • 分类号E01D21/00;

  • 国家 US

  • 入库时间 2022-08-21 21:03:07

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