A形支架在三县洲闽江大桥主塔施工中的应用

Application of A-Shape Prop Stand to Construction of Pylon of Minjiang River Bridge in Sanxianzhou

三县洲闽江大桥为独塔斜拉桥,主塔呈倒Y形结构,全高117.5m,采用在两个内斜塔柱间设置A形支架辅助主塔施工。着重介绍A形支架的设置、施工方法及其功能。

Minjiang River Bridge in Sanxianzhou is a cable-stayed bridge of single pylon in shape of inverted Y structure and 117.5 m in total height, which is constructed in aid of a Ashape prop stand set between the two legs of the pylon. In this paper, the setting, construction method and function of the prop stand are dealt with.