上海五洲大道外环立交弧形连续箱梁设计

Design of Continuous Arc Box Girder for Interchange at Wuzhou Blv.,Shanghai and the Outer Ring Rd.

五洲大道外环立交主线弧形连续箱梁是立交设计的重要组成部分。主要介绍该桥梁等高度预应力弧形箱梁和新颖独特的Y型桥墩的设计理念、设计构思和结构分析以及施工方法。该桥梁已建成通车,表明设计构思正确、整体美观协调。

The continuous arc box girder on the main alignment of the interchange at Wuzhou Blv. and the Outer Ring Rd. is a key part of the interchange design. Introduced hereby are mainly the design conception, structural analysis and construction method of the prestressed arch box girder of equal altitude and the novel and unique Y-formed piers on the interchange. The interchange is now completed and open to traffic, showing the correct design conception and integrated beauty and harmony.