灌注桩施工工艺一、施工准备..................................................................................................................................1二、测量放样..................................................................................................................................1三、钢护筒埋设..............................................................................................................................1四、泥浆池布置..............................................................................................................................1五、钻机就位..................................................................................................................................2六、钻机..........................................................................................................................................2七、成孔检测..................................................................................................................................2八、清孔..........................................................................................................................................2九、钢筋笼制作与吊放..................................................................................................................3十、桩头钢筋得安装复合隔离套管...............................................................................................3十一、导管安装..............................................................................................................................3十二、二次清孔..............................................................................................................................3十三、浇注水下混凝土..................................................................................................................3十四、拔出导管及钢护筒..............................................................................................................4十五、整体破除桩头.........
