沙田互通连接线右幅道路工程桩基专项施工方案目录一、编制依据、范围...........................................................................................................31、编制依据........................................................................................................................................32、编制范围........................................................................................................................................3二、编制原则.......................................................................................................................3三、工程概况.......................................................................................................................41、地质概况........................................................................................................................................42、设计概况........................................................................................................................................4四、施工总体部署...............................................................................................................51、组织机构........................................................................................................................................52、现场生产要素.................................................................................................................................93、施工部署.......................................................................................................................................124、施工准备.......................................................................................................................................13五、施工工艺.....................................................................................................................131、旋挖钻钻孔...................................................................................................................................142、钢筋笼制作及安装.......................................................................................................................253、导管下放.......................................................................................................................................284、二次清孔.......................................................................................................................................305、混凝土灌注...................................................................................................................................306、混凝土桩头破除...........................................................................................................................337、接桩..............................................................................................................................................33六、断桩处理.....................................................................................................................361、断桩原因.......................................................................................................................................372、预防措施.......................................................................................................................................38广东伟...
