搅拌站总体施工方案

铁路云桂线（云南段）站前工程三标段（集中拌合站工程）实施性施工组织设计1中交第四航务工程有限公司目录一、编制依据·······················································································2二、工程概况·······················································································2三、总体施工方案·················································································21、搅拌站总体设置··············································································22、搅拌站人员、设备配置·····································································33、料仓设置·······················································································34、施工用水及用电··············································································45、污水处理和抑尘降噪········································································46、场内及场外排水··············································································57、搅拌站施工····················································································5四、施工进度计划··················································································7五、拌合站主要人员配置·········································································7六、搅拌站主要机械、设备配备································································9七、质量保证技术控制措施······································································9八、施工安全、文明施工、环境保护保证措施·············································131、施工安全保证措施··········································································131.1、施工现场·················································································131.2、高空作业·················································································131.3、吊装起重作业···········································································131.4、夜间作业·················································································131.5、雨季施工·················································································141.6、防火安全·················································································141.7、安全用电·················································································142、文明施工保证措施··········································································142.1、保证文明工地的措施··································································152.2、做好文明施工的宣传和监督························································163、环境保护管理措施··········································································173.1、固体废弃物的处理·····································································173.2、防止水土流失···········································································173.3、做好污水排放控制·····································································173.4、减少噪声、废气污染··································································18九、附：1#~8#搅拌站平面布置图······························································19铁路云桂线（云南段）站前工程三标段（集中拌合站工程）实施性施工组织设计1中交第四航务工程有限公司一、编制依据（1）云南省建设项目环境保护管理条例；（2）云桂铁路公司标准化建设文件；（3）云桂铁路公司指导性施工组织设计；（4）现场详细的施工技术调查资料。二、工程概况新建铁路云桂线（云南段）站前工程三标段起止桩号DK407+070-DK473+300，标段正线总长64.571km；线路跨越广南县董堡乡、莲城镇、旧莫乡、珠琳镇。总工期1649日历天，竣工日期2014年12月10日。结合投标设计图及既有工程数据参数总结全线主要结构物圬工量约为178万方。根据工期规划，混凝土使用高峰时期为2011年3月至12月，隧道二衬浇筑工点24个，单个台车9米，单个台车模筑混凝土270立方米，单次台车作业周期为2~3天，故推断隧道模筑混凝土最大数量约为3240立方米/天。单个搅拌站一天供应混凝土按600立方米计算，则保证隧道施工需要建6个搅拌站，再根据云桂公司要求梁场必须设置独立拌合站。因而全线累计需建设8个搅拌站。三、总体施工方案1、搅拌站总体设置结合现场实际情况，我部搅拌站设置情况如下：铁路云桂线（云南段）站前工程三标段（集中拌合站工程）实施性施工组织设计2中交第四航务工程有限公司云桂铁路（云南段）混凝土拌合站设置一览表单位序号拌合站名称规划面积（㎡)拌合设备配置计划供应砼量（万m3）混凝土最大运输距离(km)混凝土拌合站直线距离(km)供应范围及主要工点备注中交四航局（云桂铁路站前三标）1#搅拌站DK407+260小寨进口100002台HZS75101010.1DK407+070~DK411+139。西洋河特大桥，小寨隧道进口，小寨隧道平导2#搅拌站DK417+400高坡隧道顶270001台HZS120，1台HZS150441110.1DK411+139~DK424+566。小寨隧道出口及横洞，董弄双线大桥，董弄隧道，董弄双线特大桥，高坡隧道，沙梨树隧道，董那孟隧道，董那孟双线大桥，广南1,2#隧道3#搅拌站DK427+400广南梁场188001台HZS120，1台HZS150111010DK424+566~DK429+808。三叉河双线钢构中桥，八大河1，2#双线桥，广南梁场4#搅拌站DK437+996那莫大桥104002套HZS90351810.6DK429+808~DK442+497。阿福隧道进口，那莫2号隧道，那莫1号隧道，安旧凹隧道，薄峰1#、薄峰2#薄峰3#大桥、那糯1#、那糯2#中桥，那糯大桥5#搅拌站DK447+302西洛特大桥149832套HZS902369.4DK442+497~DK450+171。阿福隧道出口，西洛隧道，西洛特大桥，西洛中桥，者茂隧道进口6#搅拌站DK452+234者茂大桥110582套HZS7520.53.54.9DK450+171~DK454+607。者茂隧道出口，麻栗树隧道进口，者茂大桥7#搅拌站DK460+480那弄河大桥30000m22套HZS120型2712.18.2DK456+858~DK465+013。主要工点：麻栗树隧道、麻栗树双线中桥、麻栗树双线大桥、三家寨梁场、阿卡黑1、2号隧道、石丫口双线中桥、石丫口隧道8#搅拌站DK470+000老尖山隧道进口7650m21套HZS75型16.83.39.5DK465+013~DK473+300。主要工点：坝子寨1、2、3号隧道、苦鱼沟双线1、2中桥、老尖山隧道、四家人双线特大桥铁路云桂线（云南段）站前工程三标段（集中拌合站工程）实施性施工组织设计3中交第四航务工程有限公司2、搅拌站人员、设备配置全线共安装HZS75搅拌机7套，HZS90搅拌机1套，HZS120搅拌机5套，HZS150搅拌机2套。每套搅拌设备配置足够数量的水泥罐、粉煤灰罐及外加剂罐（具体见机械、设备配置），采用全自动电子计量系统，全电脑控制，均配备砂石料筛分、含水量检测、坍落度、含气量、红外线测温仪等试验检测设备和相应的管理人员、试验人员。3、料仓设置每个搅拌站均设置不少于6个的碎石料、砂储料场，材料按中砂、两级级配碎石（5~16mm、16~31.5mm）区分待检与已检料仓，普通搅拌站的砂石储备可保证连续施工3~5天生产需求。3#（广南梁场）搅拌站及7#（三家寨）搅拌站砂石储料可保证连续施工10~15天生产的需求，并在料仓顶设置钢结构雨棚架净空高度为7.5米。储料场隔墙和背墙采用C20钢筋混凝土结构。具体料仓设置如下：1#搅拌站：已检料仓设置3个，待检料仓设置3个；2#搅拌站：已检料仓设置3个，待检料仓设置3个，每个料仓按照30m×10m×2m（长×宽×高）设计，可容纳原材料共3600立方;3#搅拌站：已检料仓设置3个，待检料仓设置3个，料仓顶设7.5米高的钢结构雨棚架；4#搅拌站：已检料仓设置3个，待检料仓设置3个，每个仓方量约为900m3；5#搅拌站：已检料仓设置5个，待检料仓设置3个，每个料仓按照35m×10m×2m(长×宽×高)设计，可容纳原材料共5000立方；6#搅拌站：已检料仓设置3个，待检料仓设置3个；7#搅拌站：已检料仓设置3个，待检料仓设置5个，每个料仓顶设7.5米高的钢结构雨棚。另外设3个大型备料区，以满足梁场大方量混凝土的需求；8