Construction Cost Management of Needle Beam Trolley Lining Concrete in the Long Tunnels with Small Section
The Shita village tunnels,which are the part of Zigong section of the Neijiang water supply pipeline project of the first phase one-step project of the North Main Canal in Xiangjiaba Irrigation Area,Sichuan Prov-ince,are long tunnels with small section with a length of 1227 m,which are constructed with the needle beam trolley lining concrete.Through fine management measures such as people,machines,materials,environment and methods,certain results have been achieved in speeding up progress and reducing costs.And the experi-ence gained can be used as a reference for similar tunnel lining concrete construction.
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