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北京大尖山隧道DK52+800～DK73+587.5 施工組織設(shè)計(jì) 

  目   錄
第一章 工程概況 1
1.1 編制依據(jù)......................................................................................................................1
1.2 工程范圍及工程數(shù)量..................................................................................................1
1.3 工程地質(zhì)條件..............................................................................................................1
1.4 隧道設(shè)計(jì)......................................................................................................................3
1.5節(jié) 隧道施工環(huán)境.........................................................................................................3
第二章 現(xiàn)場的施工現(xiàn)狀 4
第三章 施工總體安排及施工方案 4
3.1 隧道進(jìn)洞方法與開挖支護(hù)..........................................................................................4
3.2 止水帷幕施工............................................................................................................16
3.3  B斷面端頭加固袖閥管施.......................................................................................17
3.4 地表管線加固施工....................................................................................................17
3.5 對元崗大橋橋基臨時(shí)加固的預(yù)備措施....................................................................17
3.6 管棚施工....................................................................................................................19
3.7 爆破施工....................................................................................................................20
3.8  A、B斷面隧道施工................................................................................................25
第四章 施工工藝 36
4.1 噴射混凝土................................................................................................................36
4.2鋼筋網(wǎng)安設(shè).................................................................................................................37
4.3 格柵拱架加工與架立................................................................................................37
4.4 超前小導(dǎo)管、注漿小導(dǎo)管和鎖腳錨管施工............................................................38
4.5 防水層施工................................................................................................................42
4.6 仰拱施工....................................................................................................................43
4.7 二次襯砌施工............................................................................................................44
4.8 襯砌背后注漿............................................................................................................45
4.9 進(jìn)洞3m前的井點(diǎn)降水.............................................................................................46
第五章 工程測量與監(jiān)控量測 48
5.1 施工測量....................................................................................................................48
5.2 監(jiān)控量測....................................................................................................................49
第六章 工期、進(jìn)度及勞動(dòng)力、機(jī)械的安排 54
6.1  A、B斷面施工總體安排........................................................................................51
6.2 工期計(jì)算....................................................................................................................51
6.3 時(shí)標(biāo)網(wǎng)絡(luò)圖及施工總體進(jìn)度橫道圖........................................................................51
6.4 機(jī)械、設(shè)備進(jìn)場表（表6-3）..................................................................................53
第七章  應(yīng)急準(zhǔn)備及處理 56
7.1 洞內(nèi)塌方....................................................................................................................55
7.2 洞內(nèi)穿水....................................................................................................................55
7.3 出現(xiàn)流砂....................................................................................................................55
7.4 基坑上鼓....................................................................................................................56
7.5 路面塌洞....................................................................................................................56
第八章  施工注意事項(xiàng) 56
第九章  保證措施 58
9.1 質(zhì)量保證措施............................................................................................................58
9.2 安全保證措施............................................................................................................59
9.3 進(jìn)度保證措施............................................................................................................60
9.4 文明施工保證措施....................................................................................................60
總  結(jié) 62