對預(yù)應(yīng)力撐桿加固柱的探討
葛培中
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葛培中
(駐馬店地區(qū)質(zhì)量監(jiān)督站 駐馬店 463000)[提要] 對預(yù)應(yīng)力撐桿加固柱的系統(tǒng)誤差進行了探討，提出采用軸向頂升量控制撐桿應(yīng)力和在適當情況下取消加強板的建議。
[關(guān)鍵詞] 預(yù)應(yīng)力 撐桿 橫向張拉 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
