宜昌市南站路及改线段市政工程桥边河大桥旋挖灌注桩基施工方案中国葛洲坝集团第五工程有限公司宜昌市南站路及改线段市政工程项目部2017年3月目录1.编制依据及原则...........................................................................................................................11.1编制依据...........................................................................................................................11.2编制原则...........................................................................................................................12.工程概况......................................................................................................................................12.1工程位置及规模...............................................................................................................12.2水文、气象条件...............................................................................................................22.2.1水文条件...............................................................................................................22.2.2气象条件...............................................................................................................22.3桥址区工程地质情况.......................................................................................................32.3.1地形地貌...............................................................................................................32.3.2区域地质构造.......................................................................................................32.3.3地震.......................................................................................................................32.3.4桥梁场区岩土构成及其岩性特征.......................................................................43.施工准备......................................................................................................................................43.1施工平台及河道改道.......................................................................................................43.2施工水、电及钢筋笼加工场布置...................................................................................54.施工工艺及施工方法.................................................................................................................64.1钻孔桩施工流程...............................................................................................................64.2钻孔桩施工方案...............................................................................................................74.2.1施工准备...............................................................................................................74.2.2测量放样...............................................................................................................74.2.3钢护筒埋设...........................................................................................................74.2.4钻机就位及施工...................................................................................................74.3施工质量检验标准.........................................................................................................165．施工进度、劳动力及设备投入计划.......................................................................................175.1劳动力...
