无砟轨道后张法预应力混凝土简支箱梁施工作业指导书VIP免费

中铁十三局集团有限公司施工过程控制标准化管理手册（桥梁分册）无砟轨道后张法预应力混凝土简支箱梁施工作业指导书编制：毛自刚刘文涛审核：王忠良批准：沙权贤目录1编制目的...........................................................................12编制依据...........................................................................13适用范围...........................................................................14技术准备...........................................................................15人员组织...........................................................................26材料要求...........................................................................26.1预应力筋－钢绞线..............................................................26.2水泥..........................................................................26.3粗骨料........................................................................26.4细骨料........................................................................36.5拌合水........................................................................36.6外加剂........................................................................36.7非预应力筋钢材................................................................36.8橡胶抽拔棒....................................................................46.9钢筋保护层垫块................................................................47主要设备、机具型号.................................................................48施工工艺流程.......................................................................69施工作业方法及要求................................................................199.1模板施工.....................................................................199.2钢筋骨架的制作安装...........................................................209.3钢筋骨架吊装及模板安装.......................................................229.4混凝土浇筑...................................................................269.5养护.........................................................................289.6橡胶抽拔棒抽拔...............................................................319.7模板拆除.....................................................................329.8预、初张拉...................................................................339.9移梁.........................................................................349.10终张拉......................................................................359.11压浆封端作业................................................................359.12防水处理....................................................................3810常见问题及处理措施...............................................................3811质量控制及检验标准...............................................................3912安全及环保要求...................................................................4013估算指标.........................................................................41无砟轨道后张法预应力混凝土简支箱梁施工作业指导书1编制目的为规范预制后张法预应力混凝土简支箱梁的施工，规范施工作业质量行为，确保工程实体质量，制订本作业指导书。2编制依据见表1。表1编制依据表类号标准类别序号标准号标准名称备注一设计图纸1通桥（2008）2322A-Ⅱ无砟轨道后张法预应力混凝土简支箱梁（双线）跨度31.5m2通桥（2008）2322A-Ⅴ无砟轨道后张法预应力混凝...