中鐵十局蒙華鐵路土建mhtj-6標4工區(qū)劉坪隧道專項施工方案(最終)

1、蒙華鐵路煤運通道土建工程MHTJ6標段劉坪隧道專項施工方案1目錄1、編制依據(jù)、原則、范圍.....................................................................11.1編制依據(jù)...................................................................................................

2、.........11.2編制范圍............................................................................................................12、工程概述........................................................................................

3、.....12.1工程概況............................................................................................................12.2主要技術(shù)標準.........................................................................................

4、...........22.3主要工程數(shù)量....................................................................................................22.4工程特點...........................................................................................

5、.................42.4.1不良地質(zhì)和特殊巖土分布廣.....................................................................42.4.2工期緊、要求高、管理難度大.................................................................42.5工程重點難點及對策...................

6、.....................................................................42.5.1隧道工程控制重點.....................................................................................42.5.2工程重點、難點及相應(yīng)對策分析................................

7、.............................43、項目所在地特征.................................................................................53.1自然地理特征..........................................................................................

8、..........53.1.1地層巖性.....................................................................................................53.1.2地層構(gòu)造.........................................................................................

9、............73.1.3水文地質(zhì).....................................................................................................73.1.4氣象條件.......................................................................................

10、..............73.1.5不良地質(zhì).....................................................................................................73.1.6特殊土......................................................................................

11、...................83.2交通情況............................................................................................................83.3沿線水電源、燃料等可資利用情況.................................................................8

12、3.3.1水源情況.....................................................................................................83.3.2電源情況....................................................................................................

13、.83.3.3燃料及當?shù)亟ㄖ牧?................................................................................94、總體施工安排.....................................................................................94.1施工總體目標...................

14、.................................................................................94.1.1質(zhì)量目標.....................................................................................................94.1.2安全目標..................

15、...................................................................................94.1.3工期目標.....................................................................................................94.1.4環(huán)保、水保目標.............

16、............................................................................94.1.5文明施工目標.............................................................................................94.1.6土地復(fù)墾目標...........................

17、..................................................................94.2施工組織機構(gòu)及職責(zé)分工...............................................................................104.2.1機構(gòu)設(shè)置與管理模式............................................

18、...................................104.2.2崗位職責(zé)...................................................................................................10蒙華鐵路煤運通道土建工程MHTJ6標段劉坪隧道專項施工方案36.4.2鉆爆作業(yè)..................................

19、................................................................536.5初期支護施工方案..........................................................................................676.5.1新型機械手噴射混凝土施工工法................................

20、...........................676.5.2錨桿施工...................................................................................................726.5.3鎖腳錨管施工......................................................................

21、.....................756.5.4鋼筋網(wǎng)安設(shè)...............................................................................................786.5.5鋼架施工.................................................................................

22、..................786.6洞口淺埋及沖溝偏壓地段處理方案..............................................................796.6.1淺埋、偏壓施工要點..............................................................................796.6.2淺埋、偏壓施工技術(shù)..........

23、....................................................................806.7出砟方案..........................................................................................................816.8隧道防、排水方案........................

24、..................................................................816.8.1隧道暗洞防排水設(shè)施做法.......................................................................826.8.2隧道明洞段防排水做法................................................

25、...........................856.8.3系統(tǒng)排水盲管的布設(shè)、安裝...................................................................856.8.4施工縫、變形縫施工...............................................................................866.9二次襯砌施工方

26、案..........................................................................................886.9.1仰拱及隧底填充.......................................................................................886.9.2拱墻二次襯砌混凝土............

27、..................................................................896.9.3回填注漿..................................................................................................906.10附屬工程施工方案...............................

28、.........................................................916.10.1水溝及電纜槽........................................................................................916.10.2設(shè)備洞室施工...............................................

29、.........................................916.10.3接觸網(wǎng)接地及綜合接地施工.................................................................916.11洞內(nèi)臨時施工排水方案..............................................................................

30、...916.12洞內(nèi)施工通風(fēng)方案........................................................................................926.12.1風(fēng)量及風(fēng)阻計算....................................................................................926.12.2風(fēng)管直徑選擇..

31、......................................................................................936.12.3通風(fēng)設(shè)備選擇........................................................................................936.13風(fēng)、水、電布設(shè)方案.................

32、...................................................................936.13.1洞內(nèi)管、路、線總體布置.....................................................................936.13.2施工臨時排水、排污方案..............................................

33、.......................946.13.3高壓電進洞方案及布置.........................................................................946.14機械化配置方案............................................................................................9

34、56.15施工測量及監(jiān)控量測方案.............................................................................996.15.1施工測量.................................................................................................996.15.2監(jiān)控量測......