大跨度预应力梁的施工

Construction of Large Span Prestressed Beam

结合工程实例 ,介绍了大跨度预力箱梁的张拉原理及施工方法 ,并提出张拉过程中应当注意的质量问题 ,并对这些易出现的问题 ,提出了具体解决方法 ,通过实践应用 ,取得了良好效果。

This paper describes stretching principle and construction method of large span prestressed box beam by combining with engineering example, points out the quality problems needing attention during the stretching process. It puts forward concrete solution aiming at easy appearing problems and gains good results.