目录一、编制依据................................................................................................................1二、工程概况................................................................................................................12.1工程简介..........................................................................................................12.2阳明公园站工程地质情况..............................................................................22.3阳明公园站水文条件......................................................................................3三、施工工期计划........................................................................................................5四、劳动力和机械配置................................................................................................54.1人员配置..........................................................................................................54.2主要机械配置..................................................................................................5五、钻孔灌注桩施工工艺............................................................................................65.1钻孔灌注桩施工工艺......................................................................................65.2施工方法及技术措施......................................................................................75.2.1施工准备.................................................................................................75.2.2泥浆的配置.............................................................................................85.2.3测量放线.................................................................................................85.2.4护筒埋设.................................................................................................85.2.5成孔.........................................................................................................95.2.6首次清孔...............................................................................................105.2.7钢筋笼制作和吊装...............................................................................115.2.8格构柱制作与安装...............................................................................135.2.9导管下放...............................................................................................165.3二次清孔........................................................................................................165.4水下混凝土灌筑............................................................................................175.5初灌量的确认................................................................................................18六、质量管理目标及保证措施..................................................................................186.1常见质量问题................................................................................................186.1.1影响成桩质量的原因分析...................................................................196.1.2影响其他桩身质量的原因分析...........................................................196.2成桩质量的控制............................................................................................206.2.1桩上段强度的保证措施...................................................................