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Discussion on Placing Concrete Uninterruptedly on ClosureArch Rigid Skeleton

ZHENG Jie-lian(Guangxi Zhuang Autonomous Region Communications Administration,Nanning 530012,Guangxi,China)  
A new method to place the arch rib concrete on the closure rigid skeleton uninterruptedly was introduced in this paper,and it was illustrated to be safety,economic and quickly.The technology was proved to be ripe and reliable by the experiments of several long-span arch bridges,and it could be promoted widely.
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