黄竹岐大桥梁体架设的施工技术

Construction Techniques for Erection of Girders of Huangzhuqi Bridge

黄竹岐大桥是广州市外环高速公路上的一座大型桥梁 ,主桥的中间 3跨为 50 m T梁简支结构。介绍其梁体架设中采用的梁体运输、组拼架桥机、梁在桥面横移等技术。实践证明 ,本桥采用的施工方法安全、经济、方便 ,可供同类环境下架设桥梁借鉴。

Huangzhuqi Bridge is a bridge built on expressway on the outer loop line of Guangzhou city. The 3 spans in the central part of the bridge are of 50\|m simply supported T girders. Transportation of the girders, assembly of overhead launching gantry and techniques of side sliding of a girder on an erected one are presented. Practice proves the construction method used in the bridge is safe, economic and convenient, and can be referred to for bridge construction under similar environment.