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泰国干乍那披色桥为双塔双索面钢-混凝土组合梁斜拉桥,跨越昭披耶河,主跨500 m,主桥全长951m。桥墩采用A形空心钢筋混凝土结构;承台采用哑铃形预应力混凝土结构;基础采用钻孔灌注桩基础;斜拉索共168根,采用15.7 mm单股平行镀锌钢绞线。主跨主梁由临时塔支承,并由吊机起吊安装,边跨桥墩上主梁由吊机起吊安装;塔柱采用自爬模法施工,锚固区采用自爬模板和塔吊施工;斜拉索按照等张力法张拉。介绍该桥主要结构设计与施工。
Pontiac Bridge, Thailand is a cable-stayed double-girder double-cable face steel-concrete composite girder spanning the Chao Phraya River with a main span of 500 m and a main span of 951 m. The pier adopts A-shaped hollow reinforced concrete structure. The platform adopts dumbbell-shaped prestressed concrete structure. The foundation is bored pile foundation. There are 168 diagonal cables with 15.7 mm single strand parallel galvanized steel strand. The main span of the main span is supported by a temporary tower and is hoisted and installed by the crane. The girder on the side pier is hoisted and installed by the crane. The tower pillar is constructed by self-climbing mode and the anchorage zone is constructed by self-climbing template and tower crane. Tension in accordance with the law of tension. Describe the main structure of the bridge design and construction.