客运专线跨线连续箱梁施工关键技术

通过对梅村特大桥跨线连续梁施工中地基处理、支架安装及预压、混凝土施工及预应力张拉等关键技术的介绍，解决了跨线支架施工难、梁体混凝土数量大一次浇筑质量控制难以及预应力通长束张拉技术难等难题，为类似工程施工提供了很好的借鉴和经验。

Key Construction Techniques on Fly-over Continuous Box Girderon Passenger Dedicated Line

Key construction techniques on flyover continuous box girder of Meicun Super-large Bridge, including foundation treatment, support installation and preloading, concrete construction and prestress tension and so on, were introduced in this paper, and the difficult problems such as difficulties on flyover stand construction, quality control of one-time-casting large amount of concrete to voluminous beam, prestressing run-through tendons, were solved. This paper provided a good reference and experience for the construction of similar projects.