【正文】 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 **************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 臨時支座制作及安裝 ............................................ 51 永久性支座安裝 ................................................ 52 臨時支座拆除 .................................................. 53 箱梁架設(shè) ........................................................ 54 4）測量放線 ........................................................... 55 5）臨時支座安裝 ....................................................... 55 6）安裝順序 ........................................................... 55 B梁板運輸 ............................................................. 56 F吊裝注意事項及質(zhì)量檢驗標(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 .......................................................... 68 模板制作 ...................................................... 68 模板支立 ...................................................... 68 模板施工吊籃 .................................................. 69 預(yù)埋件處理 .................................................... 69 伸縮縫的處理 .................................................. 70 混凝土的澆注 .................................................. 70 模板的拆除 .................................................... 70 橋面鋪裝施工 .................................................... 71 泄水管安裝 ...................................................... 71 10保證措施 ............................................................ 72 質(zhì)量保證 ........................................................ 72 商合杭公鐵公路橋引橋跨越寧蕪、 *******線橋施工組織設(shè)計 **************鐵路工程指揮部 4 混凝土交通運輸 ................................................ 72 混凝土泵車一般要求 ............................................ 72 現(xiàn)澆鋼筋混凝土工程成品保護(hù) ..................................... 72 技術(shù)保證 ........................................................ 74 技術(shù)保證 ...................................................... 74 人員，設(shè)備，物資，資金保證措施 ................................. 75 季節(jié)施工保證 .................................................. 75 安全保證 ........................................................ 77 預(yù)制箱梁吊裝 .................................................. 77 預(yù)制箱梁架設(shè) .................................................. 79 龍門吊吊裝施工 ................................................ 80 運梁炮車運輸 .................................................. 81 安全標(biāo)志 ...................................................... 82 11施工事故預(yù)防措施及應(yīng)急預(yù)案 .......................................... 82 應(yīng)急預(yù)案工作流程圖 .............................................. 83 成立應(yīng)急預(yù)案組織機(jī)構(gòu) ............................................ 83 施工事故報告程序 ................................................ 85 12文明施工措施 ........................................................ 86 13環(huán)境保護(hù) ............................................................ 86 環(huán)境保護(hù)管理體系及組織機(jī)構(gòu) ...................................... 87 水環(huán)境保護(hù)措施 .................................................. 87 14重大危險源分析 ...................................................... 87 現(xiàn)場施工人員手腳或其他部位被擠傷或砸傷 .......................... 87 觸電事故 ........................................................ 88 預(yù)防措施 ...................................................... 88 現(xiàn)場應(yīng)急處理 .................................................. 88 現(xiàn)場傷員急救 .................................................. 89 既有地下管線和地上“三電”設(shè)備損壞搶修 .......................... 89 防洪防汛 ........................................................ 90 基坑坍塌 ........................................................ 91 15附件 ...........................