南昌至樟树高速公路改扩建工程AP4合同段里程桩号:K86+800~K103+694.302AC-20C中面层沥青混凝土施工方案中交路桥建设有限公司二零一四年七月目录一编制依据及说明......................................................................................................................11.1.编制说明..........................................................................................................................11.2.编制依据..........................................................................................................................11.3.编制原则..........................................................................................................................1二工程概况..................................................................................................................................2三工程特点、难点及对策...........................................................................................................23.1工期紧,交通转换次数多,生产要素投入集中,进度控制压力较大.......................23.224小时不中断交通施工、车辆通行压力较大,施组及安全管理难度较大...............23.3施工技术难点多,新老路拼接困难...............................................................................3四施工准备..................................................................................................................................34.1人员投入..........................................................................................................................34.2主要施工机械及试验设备...............................................................................................44.3材料要求及配比..............................................................................................................52.集料......................................................................................................................................5表8AC-20C沥青砼中面层料的颗粒组成范围...............................................................................74.4技术准备..........................................................................................................................7五施工技术方案及处理措施.......................................................................................................85.1施工顺序..........................................................................................................................85.2工艺流程..........................................................................................................................85.2.1下承层准备...........................................................................................................85.2.2测量放样..............................................................................................................85.2.3混合料拌和...........................................................................................................85.2.4沥青混合料的装料与运输...............................................................................115.2.5混合料的摊铺...................................................................................................125.2.6摊铺的一般要求...............................................................................................145.2.7摊铺过程中注意事项............................................................