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隧道二次襯砌施工方案(留存版)

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【正文】 保證運輸暢通安全。施工中有防止塵土飛揚、泥漿橫流、混凝土灑漏、車輛沾帶泥土運行等措施。 ⑶、 分部、分項工程開工前由工程技術(shù)部負責,進行分層次的書面技術(shù)交底、交施工方案、交施工工藝、交設(shè)計總圖、交質(zhì)量標準、交安全措施,形成施工程序化、技術(shù)標準化、質(zhì)量規(guī)格化,使每個參加施工的人員做到目標明確,心中有數(shù)。 ⑴、 建立以項目經(jīng)理負責制的質(zhì)量保證體系,在項目經(jīng)理部下設(shè)專職質(zhì)量檢查工程師,每個班組設(shè)兼職質(zhì)檢員,形成二級質(zhì)量管理網(wǎng)絡(luò),嚴把質(zhì)量關(guān)。當超過允許中斷時間時,應按施工縫處理。 ( 3)、鋼筋拉直、彎鉤、彎折、彎曲應采用冷加工。施工中實行定點定人振動(為插入式振動器),從而保證了施工中的結(jié)構(gòu)上的受力均勻和成型后砼質(zhì)量外觀。 ( 2)、搭接寬度不應小于 100mm,焊縫應嚴密,單條焊縫的有效焊接寬度不應小于 ,不得焊焦焊穿。焊縫應嚴密,單條焊縫的有效焊接寬度不應小于。 膨脹螺栓 圖 環(huán)向排水盲管固定示意圖 XX 高速公路 XX 標 XX 隧道 二次襯砌施工方案 10 縱向排水盲管安設(shè) 按設(shè)計位置在邊墻底部測量放盲管設(shè)置線,沿線鉆孔,打入膨脹螺栓,安設(shè)縱向盲管,用卡子卡住盲管,固定在膨脹螺栓上。 材料準備 為了保證本標段的材料供應 , 必須對全部采購的原材料、構(gòu)件、成品、半成品等材料制定切實可行的材料供應計劃及工程物資管理辦法,建立健全進場前驗收和取樣送檢制度,杜絕一切不合格材料進入施工現(xiàn)場 。裂隙面結(jié)合較差,均為硬性結(jié)構(gòu)面。油沙河為隧道區(qū)地表水、地下水的最低侵蝕基準面。該危巖形態(tài)主要為外突圓盤狀,其崩落主方向為 130176。XXX 高速公路 XX 標 XX 隧道 二次襯砌施工方案 1 目 錄 1 編制依據(jù) .............................................................................................................................. 1 ........................................................................................................................... 1 ........................................................................................................................... 1 ........................................................................................................................... 1 2 工程概況 .............................................................................................................................. 1 ........................................................................................................................... 1 、水文及 地質(zhì)條件 ...................................................................................................... 2 .......................................................................................................... 2 ................................................................................................... 3 地質(zhì)情況 ......................................................................................................... 3 .......................................................................................................... 3 .................................................................................................................... 4 .......................................................................................................... 5 3 施工準備 .............................................................................................................................. 6 ........................................................................................................................... 6 ........................................................................................................................... 6 .......................................................................................................... 6 .......................................................................................................... 6 ........................................................................................................................... 7 .......................................................................................................... 7 4 進度計劃及資源配置 ............................................................................................................ 7 ........................................................................................................................... 7 ........................................................................................................................... 7 5 施工技術(shù)方案 ....................................................................................................................... 8 、排水施工 ...................................................................................................... 8 .......................................................................................................... 8 .......................................................................................................... 9 ................................................................................. 9 ................................................................................10 ................................................................................10 ......................................................................10 ...........................................................................................10 XXX 高速公路 XX 標 XX 隧道 二次襯砌施工方案 2 ...........................................................................................13 ................................................................................14 ...........................................................................................14 ...........................................................................................14 ...................................................................................................................14 ..............................................................................................14 .........................................................................................................15 ..............................................................................................15 .......................................................................................16 ................................................................................17 .................................................
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