Research on Key Technology of Steel Box Girder Incremental Launching Construction of Curved Bridge
This paper takes the incremental launching con-struction of G94 Pearl River Delta ring expressway cross-line curved steel box girder bridge as the research object,and puts forward the construction scheme of platform assembly and walking multi-point continuous incremental launching in view of its complicated construction condi-tions and special bridge-span combination.Through in-depth analysis and fine control of the incremental launch-ing process,the safety and efficiency of the construction are ensured.The research results can provide important technical references for the construction of similar bridge engineering.
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