Class II dragging construction of 1-96m steel truss girder of Weilai railway bridge over Qingrong railway was completed successfully

Lu.com.cn December 24 reporter learned from the official website of state owned assets supervision and Administration Commission of Shandong Province that at 4:20 on December 20, 2019, the newly-built Weifang Laixi railway Weilai Qingrong down link line across the 1-96m steel truss girder of Qingrong railway super major bridge, at the speed of 0.2m per minute, after two nearly 9 hours of class II key construction, the steel girder guide beam part successfully reached the predetermined position of 59 # pier, which is the main beam in place safely It has laid a solid foundation. There are three difficulties in the key construction of

, one is the complex construction process, the steel truss beam bolting construction is difficult, and the quality control requirements are high; the other is the high safety pressure, the adjacent business line construction in the construction process, dragging construction across the Qingrong railway; the third is the short construction time, night construction. The steel truss girder dragging construction successfully completed the construction after overcoming many difficulties, creating conditions for the opening of Weilai high-speed railway by the end of 2020. (reporter of our website)