【正文】 ........................................................................................................... 9 混凝土墊層澆注 ........................................................................................................................................ 9 框架身主體施工 ............................................................................................................................................ 10 中鐵七局集團(tuán)孟平鐵路二線工程項(xiàng)目部二分部 DK48+ 19m 框架橋框架橋 施工 方案 ii 鋼筋加工及安裝 ...................................................................................................................................... 10 框架身底板施工 ...................................................................................................................................... 11 框架身邊墻及頂板模板施工 ............................................................................................................... 12 框架身混凝土施工 ................................................................................................................................. 15 沉降縫及施工縫施工 ............................................................................................................................. 17 混凝土養(yǎng)生 ............................................................................................................................................... 18 混凝土拆模 ............................................................................................................................................... 19 防水層施工 ...................................................................................................................................................... 19 防水層的組成 .......................................................................................................................................... 19 防水層施工工藝 ...................................................................................................................................... 20 保護(hù)層施工 ...................................................................................................................................................... 22 出入口及附屬工程 ......................................................................................................................................... 24 基坑回填施工 .................................................................................................................................................. 25 施工總體方案 .......................................................................................................................................... 25 施工方法 ................................................................................................................................................... 25 沉降觀測 ........................................................................................................................................................... 26 沉降觀測點(diǎn)設(shè)置 ...................................................................................................................................... 26 沉降觀測頻次 .......................................................................................................................................... 27 沉降變形觀測中 的注意事項(xiàng) ............................................................................................................... 27 夏季和雨季的施工 ....................................................................................................................................... 28 夏季混凝土施工 ................................................................................................................................... 28 雨季施工 ................................................................................................................................................. 29 7 資源配置 ................................................................................................................................................................... 30 主要工程設(shè)備 .................................................................................................................................................. 30 主要材料供應(yīng)計(jì)劃 ......................................................................................................................................... 30 人員配置 ........................................................................................................................................................... 31 模板配置 ........................................................................................................................................................... 32 ................................................................................................................................................. 34 工程質(zhì)量保證措施 ......................................................................................................................................... 34 材料、機(jī)械設(shè)備保證 ............................................................................................................................. 34 測量、試驗(yàn)檢測保證 ............................................................................................................................. 34 中鐵七局集團(tuán)孟平鐵路二線工程項(xiàng)目部二分部 DK48+ 19m 框架橋框架橋 施工 方案 iii 施工技術(shù)保證 .......................................................................................................................................... 35 砼結(jié)構(gòu)耐久性控制技術(shù)措施 ............................................................................................................... 36 隱蔽工程質(zhì)量保證措施 ........................................................................................................................ 38 安全保證措施 ..............................................................................................................