Prestress tensioning and grouting construction method for bridge pier column

The invention discloses a bridge pier column prestress tensioning and grouting construction method which comprises the following steps: S1, construction preparation work is carried out, and surveying and setting-out are carried out; s2, a scaffold is built; s3, steel bars are manufactured and installed; s4, a formwork is manufactured and installed; s5, pouring of concrete; s6, pier top straining beam prestress construction, wherein intelligent tensioning construction and vacuum auxiliary grouting construction are included; and S7, installation of the pre-embedded facility. According to the method, the construction safety and accuracy can be greatly improved, the process of prestress tension and grouting construction is well completed for the bridge pier column with the complex structure and the high load requirement, technical support is provided for follow-up construction of the dangerous bridge pier column, and positive contribution is made for diverse construction of bridges in China. 本发明公开了一种桥梁墩柱的预应力张拉及压浆