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东沙特大桥主桥为独塔双索面钢—混结合斜拉桥,是番禺主道路网规划“五纵九横”主骨架的组成部分。介绍该特大桥主桥施工,采用全液压冲机反循环进行桩基施工;承台施工时采取的大体积混凝土的质量控制措施;箱梁采用现浇支架施工,共分为20个节段,每节段分层浇注;钢箱梁采用大型浮吊进行吊装;并介绍了该桥的南引桥施工情况。该桥线形优美、结构混凝土外观质量好,强度满足设计要求。
The main bridge of East Shatin Bridge is a single-tower double-cable steel-concrete combined cable-stayed bridge, which is an integral part of the Panyu main road network planning and “five vertical and nine horizontal” main framework. The construction of the main bridge of this super large bridge is introduced. The pile foundation is constructed by full hydraulic reverse circulation. The quality control measures of the mass concrete adopted in the construction of the platform are adopted. The box girder is made of cast-in-place frame and divided into 20 sections, Each section is casted in layers; the steel box girder is hoisted by a large floating crane; and the construction of the south bridge of the bridge is introduced. The bridge is graceful, with good appearance and strength of structural concrete to meet the design requirements.