目录1工程概况....................................................................................................................12便道结构及线路布置................................................................................................12.1便道结构...........................................................................................................12.2线路布置...........................................................................................................33施工组织....................................................................................................................43.1管理机构...........................................................................................................43.2人员组织...........................................................................................................43.3主要机械设备及人员配置...............................................................................43.3.1主要机械设备.........................................................................................43.3.2主要人员配备........................................................................................53.4工期控制...........................................................................................................64主要施工工法............................................................................................................64.1测量及施工准备...............................................................................................74.2排水及原地面处理...........................................................................................84.3山皮土填筑.......................................................................................................84.4细集料面层......................................................................................................94.5圆管涵施工......................................................................................................94.6抛石挤淤施工................................................................................................104.6.1施工工艺流程.......................................................................................104.6.2施工步骤...............................................................................................105安全生产措施..........................................................................................................116文明施工的措施.......................................................................................................117环境保护和水土保持的措施..................................................................................121工程概况施工便道起讫里程DK270+000~DK291+535.2,线路全长21.535km,便道修建主要形式为沿实际地势新建,路线所经过地有沼泽淤泥地和养殖塘,并多次跨越灌溉沟渠。路面宽6m,占地约232.46亩,土方约1.3万方,山皮石约8.1万方。2便道结构及线路布置2.1便道结构根据《铁路大型临时工程和过渡工程设计暂行规定》铁建设(〔2008〕189号),按照交通部颁发的《公路工程技术标准》(JTGB01-2003)四级道路标准进行设计。(1)施工便道面层设中心线向两边1.5%坡度,道路两侧设置排水沟;(2)便道基础采用山皮石分层填筑,山皮土填筑厚度暂定500~800mm(具体见附图1-便道结构断面图)。山皮石质量要求:土的用量(包括碎石粒径小于35mm的含量)不得大于山皮石混合料总重的15%,土内不得含有有机质、淤泥质土及软石。石块粒径...