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Study of Several Issues on Precasting 32-m Span Simply-Supported Box Girders for Wuhan-Guangzhou Passenger Dedicated Railway

Zhang Kai-ying

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Abstract

On the basis of the construction practice of precasting the 900-t and 32-m span simply-supported concrete box girders for Wuhan-Guangzhou Passenger Dedicated Railway,this paper makes a study of the relevant issues on the precasting and storage bed settlement criteria,bearing unevenness requirements,prestress tensioning and reinforcement fabrication of the box girders for the purpose of providing reference for the girder precasting for passenger dedicated railways in the future.

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What this paper is about

On the basis of the construction practice of precasting the 900-t and 32-m span simply-supported concrete box girders for Wuhan-Guangzhou Passenger Dedicated Railway,this paper makes a study of the relevant issues on the precasting and storage bed settlement criteria,bearing unevenness requirements,prestress tensioning and reinforcement fabrication of the box girders for the purpose of providing reference for the girder precasting for passenger dedicated railways in the future.

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Available abstract

On the basis of the construction practice of precasting the 900-t and 32-m span simply-supported concrete box girders for Wuhan-Guangzhou Passenger Dedicated Railway,this paper makes a study of the relevant issues on the precasting and storage bed settlement criteria,bearing unevenness requirements,prestress tensioning and reinforcement fabrication of the box girders for the purpose of providing reference for the girder precasting for passenger dedicated railways in the future.

Key concepts: Girder, Box girder, Engineering, Span (engineering), Structural engineering, Civil engineering

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Study of Several Issues on Precasting 32-m Span Simply-Supported Box Girders for Wuhan-Guangzhou Passenger Dedicated Railway — Research Paper | ScholarLens