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上海世博北京西路～华夏西路电力电缆隧道内部设计分为上下两层。如果按照以往的公路隧道内部结构做法,采用现浇工艺施工,一个与施工段需120d的时长远不能满足目标工期的要求。经过多方比较论证,本工程采用了预制构件与现浇层相结合的结构形式,并使用隧道公司自行研制的专用多功能台车,实现了多规格的预制构件在隧道内吊运、拼装的快速施工,单部台车日最大安装量达到50环,大幅度缩短了施工周期,为以后的类似工程提供了借鉴。
Shanghai World Expo Beijing West Road ~ Huaxia West power cable tunnel design is divided into two layers. If according to the previous internal structure of highway tunnels, the use of cast-in-place construction, a construction period of 120d and can not meet the requirements of the target duration. After many comparison and demonstration, the project uses a combination of prefabricated components and cast-in-place structure, and uses a special multi-purpose trolley developed by the tunnel company to realize the hoisting and assembling of multi-standard prefabricated components in the tunnel Construction, the maximum daily installation of a single trolley reached 50 rings, greatly reducing the construction period for the future of similar projects provided a reference.