葛培中
    (驻马店地区质量监督站  驻马店 463000)

[提要]  对预应力撑杆加固柱的系统误差进行了探讨，提出采用轴向顶升量控制撑杆应力和在适当情况下取消加强板的建议。
[关键词]  预应力  撑杆  横向张拉  加固

The prestrassing loss in strengthening progress of reinforced concrete column with prestressed steel stay is discussed in detail. The suggestions that the prestress in steel stay may be controlled by the rising of steel stay, and that strengthening steel plate on the steel stay may be canceled in some case are also given.
Keywords:  prestress; steel stay; tension crosswise; strengthening