渝（北）广（安）高速公路（重庆段）土建二标工程YG/TJ-2桥梁工程机械成孔灌注桩施工方案批准： 审核： 校核： 编制： 中国水电建设集团路桥工程有限公司渝广高速公路总承包部土建第二分部二○一三年六月目 录一、适用范围................................................................................................................1二、编制依据................................................................................................................12.1 编制依据..............................................................................................................12.2 编制原则..............................................................................................................1三、工程概况................................................................................................................13.1 工程概况及技术标准..........................................................................................13.2 沿线地理特征......................................................................................................23.3 主要工程数量......................................................................................................2四、施工组织方案.........................................................................................................34.1 施工组织机构设置..............................................................................................34.2 施工布置..............................................................................................................4五、施工工艺及施工方法.............................................................................................55.1 机械成孔桩施工工艺..........................................................................................55.2 施工方法..............................................................................................................65.3 钻孔灌注桩的工艺要点...................................................................................
