1、 1 向莆铁路 FJ-1A 标(金溪特大桥) 实施性施工组织设计 摘要 本桥我们选择富有经验的专业队伍进行施工, 按多个工作面同时进行平行 流水作业,以缩短工期。桩基采用冲击钻钻进成孔,直升导管法灌注成桩;承 台采用机械配合人工放坡开挖; 圆端形实体桥墩和流线型圆端实体墩一次立模 浇筑成型;施工中,对桩基、承台、墩(台)身,形成平行和流水作业的局面。 陆上承台施工采用机械配合人工开挖,基坑开挖时,备足抽水设备,及时 排除地下水。模板采用大块定型钢模板,混凝土一次浇筑成型,插入式振动棒 分层振捣密实。水中承台采取修建栈桥、筑岛围堰的方法施工。其中的难点就 在水上施工。 关键词:关键词:栈桥;承台
2、;混凝土 1 Xiangpu Railway FJ-1A standard (Jinxi Bridge) construction organization design Abstract: The bridge we have chosen an experienced professional team to conduct the construction, according to several face parallel assembly line at the same time to shorten the construction period. Impact Drill w
3、ith drilling into the pile hole, helicopter catheter infusion into the pile; caps Slope mechanical and manual excavation; round-shaped entities, piers, and streamlined client-side entities, Yuen Tun Li mold pouring a molding; construction, the right pile, pile cap, pier (Taiwan) body, the formation
4、of parallel and assembly-line situation. Land-based construction of pile caps mechanical and manual excavation, excavation time, the availability of pumping equipment, and remove groundwater. Templates using large fixed steel template, a pouring of concrete forming, plug-in vibrator vibrated dense layer. Water bearing platform to build trestle, built island cofferdam method of construction. One of the difficulties of construction on the water. Key words: trestle; caps; Concrete 1 目目 录录 摘要摘要 A