The main channel bridge of Changtai Yangtze River Bridge is a double-pylon five-span continuous steel truss girder cable-stayed bridge.Its 6# main pylon is a steel-concrete composite structural four-pylon limb spatial diamond-type bridge pylon.There are many problems such as difficulty,high risk and low work efficiency in the construction of steel bar for the pylon limbs of super tall main pylon.It is hard to control the construction schedule and cost.In view of the engineering characteristics of the 6# main pylon,the steel bar of middle pylon column is constructed with the reinforcement parts.The steel bars of the pylon limbs are first lashed in whole segment on the standard steel bar lashing platform,then the blocks are hoisted,and the conical sleeve on the pylon is locked with the steel bar connection joint,which provides a safer,more efficient,economical and advanced construction technology for the steel bar construction of the main pylon,and has significant social and economic benefits for the construction of the projects.
关键词
斜拉桥/超高主塔/钢筋部品/整体绑扎/分块吊装/锥套/效益
Key words
cable-stayed bridge/super-high main pylon/reinforcement parts/overall lashing/block hoisting/conical sleeve/benefit
维普
万方数据