连续钢桁架叠合梁设计及建造技术

Design and Construction Technology of Continuous Steel Truss Composite Beam

宁波梅山春晓大桥工程水中引桥采用3×72 m连续钢桁架叠合梁结构。现结合梅山春晓大桥水中引桥的设计及施工实践,简要介绍连续桁架钢桁梁设计、上层叠合桥面板裂缝控制技术。并结合梅山春晓大桥工程所处的环境特点,介绍其钢桁架主梁采用的建造施工技术。其内容可供类似工程参考。

The 3 ×72 m-span continuous steel truss composite girder structure is adopted in the water approach bridge of the Meishan Chunxiao Bridge in Ningbo. Combined with the design and construction practices of the water approach bridge of Meishan Chunxiao Bridge, this paper briefly introduces the design of continuous truss steel truss girder and the crack control technology of the bridge deck. Also combined with the environmental characteristics at the project of Meishan Chunxiao Bridge, this paper introduces the construction technology of the steel truss beam. The contents can be referred for the similar projects.