孔道压浆：通常是指用水泥净浆，掺入外添加剂，压浆前先用压力清水冲洗将要压浆的孔道，再将水泥净浆从孔的一端压入，另一端排出浓浆后封闭。加大压力至0.5-0.7兆帕，持续3-5分钟后结束。
介绍帕克西桥纵向孔道的特点、纵向孔道压浆的施工工艺、纵向孔道压浆的质量控制措施。
In this paper, the features of the longitudinal ducts of Paksey Bridge, the construction technology and quality control measures for the duct grouting are described.
合肥市铜陵路桥主梁采用真空辅助压浆技术，取得了很好的效果，确保了孔道压浆的质量。
The main beam of the bridge of Tongling Road of Hefei City adopts the vacuum auxiliary mud jacking technique and has achieved good effects and ensured the quality of opening mud jacking.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁，纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
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