crts ⅰ型双块式无砟轨道施工作业指导书新.pdf

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crts ⅰ型双块式无砟轨道施工作业指导书新.pdf

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crts ⅰ型双块式无砟轨道施工作业指导书新

沪昆客运专线贵州段 CKGZTJ-2 标段双块式无砟轨道施工作业指导书中铁三局沪昆客专贵州段工程指挥部二○一四年三月目录 1.编制依据 ······················ 1 2.适用范围 ······················ 2 3.工程概况 ······················ 2 3.1 路基地段 ···················· 3 3.2 隧道地段 ···················· 5 3.3 桥梁结构地段 ·················· 6 4.作业准备 ······················ 8 4.1.内业技术准备 ·················· 8 4.2.外业准备 ··················· 9 5.技术要求 ····················· 10 6.施工程序与工艺流程 ················ 10 6.1.施工程序 ·················· 10 6.2.施工流程图 ·················· 11 7.施工要求 ····················· 13 7.1.施工准备 ·················· 13 7.1.1.原材料进场检验与存放 ············ 13 7.1.2.轨枕进场与存放 ··············· 13 7.1.2.设备机具的进场及验收 ············ 14 7.1.3.无砟轨道施工试验段 ············· 14 7.1.4 基础面处理 ················· 14 7.2.桥梁段底座板施工 ··············· 16 7.2.1 测量放样 ·················· 16 7.2.2.钢筋绑扎 ·················· 16 7.2.3 . 伸缩缝耐候钢安装 ············· 19 7.2.5.模板施工 ·················· 19 7.2.6. 底座板混凝土浇筑 ·············· 20 7.2.7.混凝土养护 ················· 21 1 7.2.8.拆除模板 ·················· 23 7.3 路基段支撑层施工 ·············· 23 7.4.道床板施工 ·················· 26 7.4.1.中间隔离层施工 ··············· 26 7.4.2.测量放线 ·················· 28 7.4.3.道床板钢筋加工及底层钢筋安装 ········ 29 7.4.4.轨排组装、运输 ··············· 29 7.4.5.轨排就位 ·················· 31 7.4.6.轨排粗调 ·················· 32 7.4.7.顶层钢筋安装及接地焊接 ··········· 34