【正文】 ......................... 9 環(huán)境保護(hù)目標(biāo) ..................................................... 9 6 安全保證體系 ........................................................ 10 安全目標(biāo) ........................................................ 10 成立安全組織機(jī)構(gòu) ................................................ 10 安全小組的任務(wù)和職責(zé) ............................................ 10 7 交通疏導(dǎo) ............................................................ 11 上跨公路支架簡介 ................................................ 11 交通繞行方案 .................................................... 11 右幅上空施工繞行路線 ........................................... 12 左幅上空施工繞行路線 ........................................... 12 交通指示、引導(dǎo)標(biāo)志設(shè)置方案 ...................................... 12 8 下部施工組織 ........................................................ 14 施工概述 ........................................................ 14 施工工藝流程圖 .................................................. 14 樁基施工 ........................................................ 15 樁基概述 ...................................................... 15 商合杭公鐵公路橋引橋跨越寧蕪、 *******線橋施工組織設(shè)計(jì) **************鐵路工程指揮部 2 工藝流程圖 .................................................... 16 灌注鉆孔樁 .................................................... 16 3）鉆機(jī)就位 ........................................................... 18 7)安裝導(dǎo)管 ............................................................ 21 8)灌注水下混凝土 ...................................................... 22 9)泥漿清理 ............................................................ 22 承臺 ............................................................ 22 承臺概述 ...................................................... 22 施工工藝流程圖 ................................................ 23 施工準(zhǔn)備 ...................................................... 24 基坑開挖 ...................................................... 24 截樁頭進(jìn)行檢測 ................................................ 24 墊層 .......................................................... 25 鋼筋制作安裝 .................................................. 25 ㈠鋼筋加工 ............................................................ 25 ㈡鋼筋制作安裝 ........................................................ 25 ㈢預(yù)埋鋼筋安裝 ........................................................ 26 模板安裝 ...................................................... 26 ㈠模板支立 ............................................................ 26 ㈡模板拆除 ............................................................ 27 ㈢承臺質(zhì)量標(biāo)準(zhǔn) ........................................................ 27 承臺砼澆筑及養(yǎng)護(hù) .............................................. 27 承臺驗(yàn)收標(biāo)準(zhǔn) .................................................. 28 橋墩 ............................................................ 28 橋墩概述 ...................................................... 28 施工順序 ...................................................... 29 施工準(zhǔn)備 ...................................................... 29 鋼筋綁扎、安裝 ................................................ 29 模板 .......................................................... 32 ①施工順序 ............................................................ 32 ②安裝方法 ............................................................ 32 ?模板安裝要求 ........................................................ 32 澆筑混凝土 .................................................... 33 混凝土的養(yǎng)護(hù) .................................................. 34 蓋梁 ............................................................ 34 蓋梁概述 ...................................................... 34 施工工藝流程圖 ................................................ 34 商合杭公鐵公路橋引橋跨越寧蕪、 *******線橋施工組織設(shè)計(jì) **************鐵路工程指揮部 3 測量放線 ...................................................... 35 墊層澆筑 ...................................................... 35 門洞支架搭設(shè) .................................................. 35 滿堂支架搭設(shè) .................................................. 37 支架預(yù)壓 ...................................................... 39 預(yù)壓監(jiān)測 ...................................................... 40 模板制作及安裝 ................................................ 43 鋼筋綁扎 ...................................................... 43 混凝土澆筑與養(yǎng)護(hù) .............................................. 44 4） 混凝土澆筑和振搗 .................................................. 45 支架門洞拆除 .................................................. 47 9 上部施工組織 ........................................................ 50 機(jī)械選擇 ........................................................ 50 上部施工工藝流程圖 .............................................. 51 體系轉(zhuǎn)換 ........................................................ 51 臨時(shí)支座制作及安裝 ............................................ 51 永久性支座安裝 ................................................ 52 臨時(shí)支座拆除 .................................................. 53 箱梁架設(shè) ........................................................ 54 4）測量放線 ........................................................... 55 5）臨時(shí)支座安裝 ....................................................... 55 6）安裝順序 ........................................................... 55 B梁板運(yùn)輸 ............................................................. 56 F吊裝注意事項(xiàng)及質(zhì)量檢驗(yàn)標(biāo)準(zhǔn) ........................................... 57 端橫梁、中橫梁濕接縫 ............................................ 58 體系轉(zhuǎn)換圖 .................................................... 58 中橫梁、端橫梁及濕接縫 ......................................... 60 防撞墻 .......................................