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The application of prestressed pipe vacuum grouting technology in Hangzhouwan bridge

Zou Jian-feng

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Abstract

In the structure of post-tensioning prestressed concrete,the anti-rust for prestressed bars is done by means of the traditional drill-compressing grouting,but this method results in less density,which does damage ccured to projects.Hangzhouwa transoceanic extra-long bridge is the unique project in China,its safety is very vital for the long-term economic profits of the this bridge.The application,research and the comparatively perfect technology of prestressed pipe vacuum grouting technology are stated.

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What this paper is about

In the structure of post-tensioning prestressed concrete,the anti-rust for prestressed bars is done by means of the traditional drill-compressing grouting,but this method results in less density,which does damage ccured to projects.Hangzhouwa transoceanic extra-long bridge is the unique project in China,its safety is very vital for the long-term economic profits of the this bridge.The application,research and the comparatively perfect technology of prestressed pipe vacuum grouting technology are stated.

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Available abstract

In the structure of post-tensioning prestressed concrete,the anti-rust for prestressed bars is done by means of the traditional drill-compressing grouting,but this method results in less density,which does damage ccured to projects.Hangzhouwa transoceanic extra-long bridge is the unique project in China,its safety is very vital for the long-term economic profits of the this bridge.The application,research and the comparatively perfect technology of prestressed pipe vacuum grouting technology are stated.

Key concepts: Bridge (graph theory), Prestressed concrete, Engineering, Structural engineering, Forensic engineering, Drill, Geotechnical engineering, Mechanical engineering

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