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1、中铁四局联合体合肥枢纽一标四分部连续梁安全专项施工方案目录1工程概况···············································12编制原则···············································2文档收集自网络，仅用于个人学习3编制内容················································3文档收集自网络，仅用于个人学习4安全措施················································3文档收集自网络
2、，仅用于个人学习（1）支架搭设.拆除安全措施···························3（2）挂篮施工安全措施··································6（3）挂篮防护安全措施·································12（4）已浇梁段防护措施····························45中铁四局联合体合肥枢纽一标四分部连续梁安全专项施工方案·····14（5）挂篮拆除安全措施·································15（6）临时支座拆除安全措施····
3、·························15（7）高空作业防护措施·································16（8）防火措施·········································17（9）用电安全措施·····································205安全体系及应急预案·····································236环境保护文明施工·······································35文档收集自网络，仅用
4、于个人学习45中铁四局联合体合肥枢纽一标四分部连续梁安全专项施工方案1工程概况蚌福特大桥跨工业大道（40m+64m+40m）连续梁位于30#～33#墩缓和曲线段,全长145.5m（含两侧梁端至边支座中心各0.75m）；桥墩基础采用钻孔灌注桩基础,圆端形墩柱.连续梁共分五大部分浇筑：A0.A1段为墩顶梁段,长15m；A2~A7段及A2´~A7´段为由A1段两侧对称分段悬浇部分,A9段为边孔支墩处在满堂支架上现浇部分,长7.75m,A8段为边孔合拢梁段,长2.0m,A8´段为主梁在跨中合拢部分,长2.0m.文档收集自网络，仅用于个人学习本连续梁位于平面缓和曲
5、线上,将按照平曲线要素对梁体进行平面布设；且位于竖曲线上,将按照竖曲线直作对梁体进行竖向布设.采用三角挂篮分段悬臂浇筑施工.在墩身施工完毕至墩顶后,先在主墩31#.32#搭建支架并灌注临时支座,根据《（40+64+40）m连续梁图号：通桥（2008）2368A-Ⅲ》,零号块梁长为9m,为了给挂篮留有足够地拼装场地,在支架上分别灌注0号块和1.1’号块,并张拉和锚固纵向预应力束.横向及竖向预应力筋.将0号块与31#.32#墩身临时固结.而后对称向两侧顺序灌注2～7.2’～7’号梁段,形成2个T构,每完成一个梁段后,对其纵向预应力束.45中铁四局联合体合肥枢
6、纽一标四分部连续梁安全专项施工方案横向及竖向预应力筋进行张拉和锚固.在剩余二到三段梁体未浇筑时,分别在30#.和33#边跨现浇支架上浇筑边跨现浇段9号梁段.待仅剩合拢段未施工时,拆除挂篮,安装临时刚性连接构造,先现浇两边跨合拢段8号梁段,完成后,张拉并锚固纵向预应力束.横向及竖向预应力筋,拆除临时固结,落梁.接着拆除边孔支架.随后安装中跨跨中临时刚性连接构造,用悬吊支架现浇中跨合拢梁段8’号,完成后,张拉并锚固纵向预应力束.横向及竖向预应力筋,形成整个连续梁体系.文档收集自网络，仅用于个人学习二.编制原则遵守有关高空作业及特种作业地法律法规；遵守有关安全
7、.质量方面地文件规定；坚持预防为主.安全第一地原则；规范施工,完善施工工艺,确保施工安全.文档收集自网络，仅用于个人学习三.编制内容连续梁施工安全风险高,为保证连续梁施工地安全,有效指导现场施工,特编制连续梁施工安全专项方案.（一）支架搭设.拆除安全措施（二）挂篮施工安全措施（三）挂篮防护安全措施（四）已浇梁段防护措施（五）挂篮拆除安全措施（六）临时支座拆除安全措施（七）高空作业防护措施（八）防火措施（九）用电安全措施45中铁四局联合体合肥枢纽一标四分部连续梁安全专项施工方案四.安全措施(一)支架搭设.拆除安全措施1.支架搭设（1）支架施工前在支架基础上
8、弹出纵.横向立杆地位置.（2）底座.垫板均应准确地放在定位线上；（3）支架必须配
