前山新城回迁区工程B区（1#5#6#楼）旋挖桩专项施工方案批准审定审核校对编写目录1工程基本概况.........................................................................................11.1施工场地概况.....................................................................................................................11.2水文地质概况.....................................................................................................................12施工方法选用.........................................................................................13土方平衡处理.........................................................................................14施工前期准备.........................................................................................34.1资料准备.............................................................................................................................34.2施工机械、中小型机具准备.............................................................................................44.3.劳动力准备........................................................................................................................44.4现场道路和出入口............................................................................................................54.5施工用水、用电及夜间施工照明.....................................................................................54.6技术准备.............................................................................................................................55工期进度安排.........................................................................................66施工总体部署.........................................................................................67施工工艺要求.........................................................................................67.1旋挖钻施工工艺框图.........................................................................................................67.2泥浆循环系统的布置.........................................................................................................77.3护筒埋设.............................................................................................................................77.4泥浆的制备.........................................................................................................................87.5钻孔..................................................................................................................................107.6检孔...................................................................................................................................117.7钢筋笼制安.......................................................................................................................127.8灌注水下砼.......................................................................................................................128质量控制措施.......................................................................................139质量事故处理.......................................................................................139.1塌孔..................................................................................................................................139.2钻孔偏斜.....................................................................
