外置式锚头吊索在斜靠式系杆拱桥中的应用

Application of external anchorage suspension in the tilted-coupler binder arched bridge

以义乌丹溪大桥为例，对吊索安装方案及施工步骤、主梁顶升施工、拱圈预拱度的设置与线苎竽制案“销接挂索法”的施工技术进行了全面介绍，并就外置式锚头吊索在国内首座斜靠式系杆拱桥中的应用进行了简单阐述，事实证明此安装工艺的优越性。

It introduces the construction techniques of pin joint dragline method that are the anchorage suspension installment scheme and construction process, kingpost raising construction, pull-arch degree settling and line type control of arch ring through the example that is the Danxi bridge in Yiwu city, and easily represents the application of extemal anchorage suspension in the first tilted-coupler binder arched bridge in our country. The superiority of this installation technique is approved by the fact.