Prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology
Zhang Yu-mi
Abstract
Zhang Yu-mi
Abstract
Combined with the engineering situation of the third bridge across the Fujiang,the author introduces the prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology of the plastic pipe,discusses the principle of the vacuum grouting technology,points out that the vacuum grouting technology is the effective measures to improve the safety and the durability of the post-tensioned prestress concrete structure,which provides the reference for the similar projects.
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Combined with the engineering situation of the third bridge across the Fujiang,the author introduces the prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology of the plastic pipe,discusses the principle of the vacuum grouting technology,points out that the vacuum grouting technology is the effective measures to improve the safety and the durability of the post-tensioned prestress concrete structure,which provides the reference for the similar projects.
Key concepts: Bridge (graph theory), Engineering, Box girder, Prestressed concrete, Durability, Structural engineering, Civil engineering, Girder