预应力孔道压浆不密实的判定及处理

Judgement and Treatment of the Imperfect Prestressing Duct Grouting

预应力孔道压浆是后张法预应力施工中最后的也是非常关键的一步,同时也是现代预应力混凝土桥梁建设的质量通病之一。本文简要阐述了预应力孔道压浆工艺,重点介绍了压浆密实的判断和处理。

Prestressed duct grouting post-tensioned construction is the last and very crucial step, at the same time, one of the common quality defects of modern prestressed concrete bridge construction. This paper briefly expounds the prestressed duct grouting technology, introduces the judgment and handling grouting compactness.