长螺旋施工方案

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1、南部市政环卫设施基地改扩建工程长螺旋钻孔压灌混凝土桩施工专项方案工程名称：南部市政环卫设施基地改扩建工程施工单位：福建磊鑫（集团）有限公司编制日期：2017年12月5日第24页共24页目录一、编制依据...................................................4二、工程概况..................................................4三、工程地质概况..............................................

2、53.1工程环境...................................................53.2地质情况...................................................5四、施工流程及工艺.............................................94.1施工工艺流程图.............................................104.2施工工艺.........................

3、..........................114.3钢筋笼制作.................................................124.4钢筋笼安装.................................................124.5桩头清理...................................................134.6桩基检测..................................................

4、.13五、施工部署..................................................135.1施工前准备工作............................................135.2主要设备机具..............................................145.3施工进度计划..............................................145.4劳动力安排........................

5、.........................155.5施工组织体系..............................................15六、质量保证体系及控制措施....................................156.1结合本工程情况............................................15第24页共24页6.2质量控制技术要点..........................................166.3技术要点..

6、................................................166.4质量控制..................................................176.5控制措施..................................................17七、施工工期保证措施..........................................19八、文明施工措施.................................

7、.............19九、常见质量问题及防治措施....................................209.1堵管......................................................209.2卡钻......................................................209.3断桩、缩径和桩身缺陷......................................209.4桩头不完整..............

8、..................................209.5其它控制措施..............................................20十、施工应急预案.............................................2110.1应急组织...