从莞高速公路(含清溪支线)第十五合同段惠虎公路跨线桥现浇变截面连续箱梁专项施工方案编制:审核:湖南金沙路桥建设有限公司从莞高速东莞段第十五合同段项目经理部目录一、编制说明..............................................6(一)编制依据...........................................6(二)编制原则...........................................6二、施工总体目标..........................................6(一)质量目标...........................................6(二)安全目标...........................................6(三)环境保护目标.......................................6三、编制范围..............................................7四、工程概况..............................................7(一)工程概况...........................................7(二)连续箱梁概况.......................................8(三)预应力体系........................................11(四)梁体混凝土材料....................................11(五)钢材..............................................11(六)半幅现浇连续箱梁主要工程数量......................11(七)桥梁支座设置......................................11五、施工组织计划.........................................13(一)施工组织管理机构框图..............................13(二)人员进场计划......................................14(三)机械进场计划......................................15六、总体施工方案.........................................16七、施工准备.............................................18八、现浇连续箱梁施工.....................................19(一)主跨门洞搭设......................................191、地基处理...........................................192、钢管柱施工.........................................233、钢管柱上纵横梁施工.................................244、棚架防护...........................................245、综合接地...........................................246、道路安全保证措施...................................247、周转材料数量表.....................................25(二)支架搭设..........................................30A区:主跨部分........................................30B区:边跨部分........................................351、支架搭设顺序.......................................402、检查与验收.........................................41(三)现浇箱梁门洞支架验算..............................431、主跨支架计算.......................................432、边跨支架计算.......................................563、门洞计算...........................................69(四)支架预压..........................................761、加载方式...........................................762、预压观测...........................................763、卸载...............................................76(五)支座安装..........................................77(六)人形梯道及施工平台搭设............................77(七)底模施工..........................................78(八)底板钢筋制作与安装................................78(九)侧模设计计算及安装................................791、侧模设计计算.......................................792、侧模安装...........................................83(十)腹板钢筋制作与安装................................83(十一)波纹管定位及锚头安装............................83(十二)安装内模........................................84(十三)顶板钢筋制作与安装..............................85(十四)混凝土浇...