目录1.编制依据............................................12.工程概况.............................................12.1 工程简介..........................................12.2 主要工程数量......................................12.3 设计技术标准......................................22.4 相关单位..........................................32.5 自然地理特征......................................32.5.1 场地地形、地貌................................32.5.2 场地岩土层的构成与特征........................32.5.3 气象条件......................................52.5.4 水文地质......................................53.工程重难点分析.......................................63.1 工程重点、难点分析................................63.1.1 交通组织困难..................................63.1.2 水中钻孔桩施工难度大、工期紧..................63.1.3 安全文明施工及环水保要求高....................73.2 工程重点、难点的施工对策..........................74.施工进度计划.........................................75.施工工艺技术.........................................85.1 总体施工工艺......................................85.2 施工准备.........................................105.2.1 技术准备.....................................105.2.2 场地准备.....................................105.2.3 机具、材料等准备.............................105.3 桩位放样.........................................115.4 护筒埋设.........................................115.5 钻机就位及泥浆制备...............................115.5.1 钻机就位.....................................115.5.2 泥浆制备.....................................125.6 钻孔.............................................125.6 成孔验收及清孔...................................135.6 钢筋笼制备及安装.................................135.6.1 钢筋骨架的制作.................................135.6.2 钢筋骨架的起吊和就位...........................145.7 安放导管.........................................155.8 二次清孔及混凝土灌注.............................165....
