桩基施工方案目录一、编制说明...............................................1（一）编制依据..........................................1（二）编制原则..........................................1（三）编制范围..........................................2二、工程概况................................................2（一）工程概况..........................................2（二）工程概况..........................................4（三）工程地质与水文、气象条件..........................41.地形地貌..........................................42.水文地质..........................................43.气象..............................................4三、目的....................................................5四、施工进度计划及资源配置..................................5（一）施工工期计划......................................5（二）主要设备配置......................................6（三）主要人员配置......................................7（四）主要临时工程数量表................................8五、施工方法及工艺流程......................................8（一）陆上钻孔桩施工....................................8（二）施工方法..........................................81.施工准备.........................................102.测量放线.........................................113.埋设钢护筒.......................................114.泥浆配置.........................................125.护壁泥浆要求.....................................136.钻机就位.........................................137.钻孔施工时垂直度的控制...........................13桩基施工方案28.钻进成孔.........................................149.成孔、成孔检查...................................1610.清孔............................................1611.检孔............................................1612.钢筋笼骨架的制作安装............................1713.导管安装........................................1814.灌注水下砼及振拔钢护筒..........................1815.泥浆污水处理....................................2116.质量检测........................................21六、常见问题处理...........................................21（一）灌注混凝土时堵管.................................21（二）灌注混凝土过程钢筋骨架上浮.......................21（三）桩身混凝土强度低或混凝土离析.....................22（四）桩身混凝土夹渣或断桩.............................22（五）桩顶混凝土不密实或强度达不到设计要求.............23（六）混凝土灌注过程因故中断...........................23（七）施工工艺要点.....................................23七、质量保证体系及措施.....................................26（一）质量目标.........................................26（二）质量管理组织机构.................................26（三）质量保证措施.....................................271.质量管理措施.....................................272.质量技术措施.....................................28八、安全保证体系及措施.....................................29（一）安全目标.........................................29（二）安全管理组织机构.................................30（三）安全保证措施.....................................30九、工期保证体系及措施.....................................31桩基施工方案3（一）工期目标.........................................31（二）工期保证体系.....................................31（三）工期保证措施.....................................31十、环境保护与水土保持体系及措...
