人工挖孔墩基础方案一、工程概况 ························································································· 1 二、施工准备 ························································································· 32
1 材料及主要机具： ········································································ 3 2
2 作 业 条 件 ： ·················································································· 4 三、操作工艺 ························································································· 4 四、质量标准 ························································································· 94
1 保证项目： ················································································ 10 4
2 基本项目： ················································································ 10 4
3 允许偏差项目 ···········
