简易跨墩双龙门吊架桥设计方案

Simple acrossdouble portal jib crane install bridge design project

给合小西湖西津东路三层互通式立交桥施工实例,分析了在桥梁架设高度和桥面宽度变化较大,道路行车干扰多的情况下,利用现有架桥机设备架设桥梁的多种方案选择,通过对各方案架桥机的结构、架梁操作、安全的优劣比选,确定了简易跨墩双龙门吊架桥方案。

Give to match small West lake Xijin east road three the layer mutual communication construction in the type interchange solid example, analyze in the bridge install the height and the bridge noodles width variety to compare greatly, the road goes the car interference under many circumstances, make use of existing bridging the machine equipments install bridge of various project choice, pass a case to build a bridge machine to the everyone of the structure, beam operation, safety of the good and bad ratio choose, make sure simple across the double bridge project.