1 目 录 一、工程概况与编制依据· ··································2 1、编制依据· ············································2 2、工程概况· ······ · ································ ·2 二、施工方案· ········································ ·5 1、施工测量· ···· · ································ ·5 2、施工程序· ········································ ·5 3、施工方法及工艺· · · ······························· ·6 4、长螺旋钻孔灌注桩操作要点· ·········