箱梁预应力孔道准确定位和成孔施工技术

Accurate Positioning and Hole Forming Construction Technology of Prestressed Duct of Box Girder

预应力工程是箱梁预制的关键工序,箱梁预应力孔道的位置和成孔质量直接影响箱梁预应力张拉效果,论文详细介绍了箱梁预应力孔道准确定位和成孔施工技术。

The pre-stressing engineering is the key procedure of box girder prefabrication.The location and quality of box girder pre-stressed channel directly affect the effect of box girder prestressing tensioning.This paper introduces the precise location of box girder pre-stressed channel and the construction technology of hole forming.