冲(钻)孔灌注桩气举反循环清孔工艺

Hole Clearing by air-lift reverse circulation method in bored piles

本文阐述了冲(钻)孔灌注桩气举反循环清孔的工艺技术以及操作方法,同时运用工程施工实例说明该工艺的应用效果,为钻孔灌注桩施工增加一种新的清孔工艺。

Through engineering practice, this paper mainly explicates the hole clearing by air--lift reverse circulation as a new hole clearing technique in bored piles.