目 录一、适用范围...................................................................................................................................1二、作业准备...................................................................................................................................12.1 内业准备............................................................................................................................12.2 外业准备............................................................................................................................1三、技术要求...................................................................................................................................2四、施工程序及工艺流程...............................................................................................................24.1 施工工序............................................................................................................................24.2 工艺流程............................................................................................................................2五、施工要求...................................................................................................................................25.1 钻孔灌注桩施工................................................................................................................25.1.1 测量放桩.................................................................................................................25.1.2 护筒埋设.................................................................................................................25.1.3 护壁泥浆要求.........................................................................................................35.1.4 钻进成孔.................................................................................................................45.1.5 清孔.............................................................................
