预应力箱梁张拉施工质量控制要点

指出预应力钢绞线的张拉施工是后张预应力箱梁施工中的关键技术，分析了预应力钢绞线张拉前的准备工作及张拉程序，总结了预应力钢绞线张拉完成后的相应工作，从而为预应力箱梁张拉施工积累经验。

Quality control points of prestressed concrete box girder tensioning construction

It points out that tensioning steel wire strand is the key technique in post-tensioned box girder construction, arlalyzes preparation and tensioning procedures before the pre-tensioning steel wire strand tensioning, summarizes relevant work after the prestressed steel wire strand tension. Thus, it has accumulated experience for prestressed concrete box girder tensioning construction.