勒中心工程钻孔灌注桩试桩方案编制：审核：审批：中铁有限公司2010-3-5目录一、试桩目的................................................................................................................4二、编制依据................................................................................................................42.1有关文件..............................................................................................................42.2规范规程..............................................................................................................42.3相关法律法规......................................................................................................52.4企业内部文件......................................................................................................52.5企业管理标准....................................................................................................5三、工程概况................................................................................................................63.1工程简介..............................................................................................................63.2工程地质条件......................................................................................................63.3地下水情况..........................................................................................................73.4试桩选择..............................................................................................................83.4.1桩数选择......................................................................................................83.4.2桩身材料......................................................................................................83.4.3承载力要求..................................................................................................8四、施工组织及施工安排............................................................................................94.1施工总体安排......................................................................................................94.2机械设备计划......................................................................................................94.3主要人员计划......................................................................................................94.4平面布置............................................................................................................10五、具体施工工..........................................................................................................105.1施工工艺流程....................................................................................................105.2打桩顺序............................................................................................................115.2测量定位及复检................................................................................................115.3埋设护筒............................................................................................................115.4钻机就位钻进....................................................................................................115.5钻孔泥浆护壁....................................................................................................125.6钻孔.....................................
