钻孔灌注桩专项施工方案编制：________________审核：________________二〇一六年十月目录第一章编制依据..................................................................................................................41.1编制范围........................................................................................................................41.2编制依据........................................................................................................................41.3编制原则........................................................................................................................4第二章工程总体概况..........................................................................................................62.1工程概况........................................................................................................................62.2.技术标准.......................................................................................................................62.3本方案主要施工内容...................................................................................................72.4建设条件......................................................................................................................82.4.1地貌地形..............................................................................................................82.4.2气象、气候..........................................................................................................82.4.3地震效应..............................................................................................................82.4.4工程地质..............................................................................................................92.4.5施工重难点..........................................................................................................9第三章钻孔桩总体施工工艺...............................................................................................113.1钻机选择....................................................................................................................113.2钻孔施工....................................................................................................................123.2.1施工准备............................................................................................................123.2.2旋挖钻成孔施工.................................................................................................153.3钢筋笼制作与下放....................................................................................................173.3.1概述....................................................................................................................183.3.2钢筋笼加工........................................................................................................183.3.3钢筋笼拆分及运输.............................................................................................193.3.4钢筋笼下放施工.................................................................................................203.4混凝土施工................................................................................................................213.4.1概述.............................................................................................................
