采用注浆法对钻孔灌注桩进行加固处理

Using grouting Method to Strengthen the Cast-in-place Bored Piles

桥梁钻孔桩施工中经常出现掉钻、埋钻和卡钻等病害,结合工程实际,本文介绍了在钻头打捞困难的情况下采用注浆法对钻孔灌注桩进行加固处理的方法,供工程界同仁参考。

In bridge bored pile construction, assembly dropdown, drill-burying and drill-sticking accidents occur frequently. Through engineering cases, this article introduces the grouting method for the strengthening of cast-in-place bored piles when drill extracting is difficult.