【正文】 新建鐵路武漢至廣州客運專線武漢至花都段軌道工程 GDGCⅡ標段 無砟高速道岔施工方案中鐵四局集團有限公司 1目 錄編制依據、編制原則、編制范圍 ............................................................................................................1 編制依據 ..............................................................................................................................................1 編制原則 ..............................................................................................................................................1 編制范圍 ..............................................................................................................................................1工程概況 ....................................................................................................................................................2 工程概述 ..............................................................................................................................................2 主要工程數量 ......................................................................................................................................2 工程特點、重點、難點及措施 ..........................................................................................................3 主要重點、難點 ...............................................................................................................................4 針對本工程重點、難點采取的措施 ...............................................................................................4總體施工組織 ............................................................................................................................................5 施工部署規(guī)劃 ......................................................................................................................................5 施工隊伍的來源 ..................................................................................................................................5 主要相關工程規(guī)劃及布置 ..................................................................................................................5施工進度安排 ............................................................................................................................................7 施工進度安排原則 ..............................................................................................................................7 總體施工進度安排 ..............................................................................................................................8主要工程項目的施工方案、施工方法 ....................................................................................................8 總體施工方案 ......................................................................................................................................8 無砟 高速道岔施工方法及流程 ..........................................................................................................9 道岔區(qū)基標測量 ...............................................................................................................................9 道岔廠內組裝及驗收 .....................................................................................................................12 道岔分段運輸 .................................................................................................................................12 起重、吊裝 .....................................................................................................................................15 道岔進場驗收及保護 .....................................................................................................................15 CPIII 控制基樁交接及支承層復測 ...............................................................................................15 布設道岔縱移走行軌 .....................................................................................................................16 綁孔道床板底層鋼筋網、絕緣處理 ............................................................................................16 道岔軌排縱移小車安裝固定 .........................................................................................................16 道岔軌排分段定位 ......................................................................................................................17 道岔軌排聯(lián)接 ..............................................................................................................................17 安裝支撐調整裝置 ......................................................................................................................18 縱移小車拆除 ..............................................................................................................................19 道岔粗調 ......................................................................................................................................19 道床板鋼筋安裝及絕緣測試 ......................................................................................................21 道岔電務轉換設備檢測、調試、拆除 ......................................................................................21 道床板混凝土模板安裝 ..............................................................................................................23 道岔精調 ......................................................................................................................................23 道岔檢查與評估 ........................................................................................................................26 道床板混凝土澆筑施工 ............................................................................................................27 混凝土殘碴的清理 ......................................................................................................................28 調節(jié)螺桿孔的灌注 ......................................................................................................................28新建鐵路武漢至廣州客運專線武漢至花都段軌道工程 GDGCⅡ標段 無砟高速道岔施工方案中鐵四局集團有限公司 2 砼澆筑后的測量 .......................................