扩孔灌注桩施工技术在于家堡交通枢纽的应用

Application of Bearizing Cast-in-place Pile's Construction Techniue in Yujiabao Traffic Hub

液压可视扩孔灌注桩施工技术,利用全液压扩孔旋挖钻机将常规灌注桩桩端、底部或桩身部分扩大成锥形几何形状,有效增加单桩承载力和抗拔力。较常规钻孔灌注桩施工,具有场地要求小、环境适应性强、施工速度快,操作简便、智能等特点。

The hydraulic visible bearizing cast-in-place pile construction technology, using full hydraulic bearizing rotary drill?ing rig,expands conventional cast-in-place pile's tip,bottom and pile body into the conical geometry,effectively in?creases the bearing capacity and pulling resistance of single pile.Compared with conventional bored pile's construc?tion,cast-in-place pile has features like small site requirements, strong environmental adaptability,quick construction speed, user-friendly control,intelligent and etc.