隧道洞身開挖專項施工方案

1、中鐵十一局集團(tuán)有限公司新屋隧道洞身開挖施工專項方案0目錄1編制依據(jù)、編制原則及編制范圍......................................11.1編制依據(jù).....................................................11.2編制原則....................................................11.3編制范圍..........

2、..........................................22工程概況..........................................................22.1新屋隧道簡介.................................................22.2工程技術(shù)標(biāo)準(zhǔn).............................................

3、....72.3工程地質(zhì)條件.................................................72.3.1地形地貌...............................................72.3.2地質(zhì)構(gòu)造...............................................72.3.3地層巖性.................................

4、..............72.3.4水文地質(zhì)..............................................103施工組織部署.....................................................103.1人員配備....................................................103.2機(jī)械配備..................

5、..................................123.3材料準(zhǔn)備....................................................133.4隧道施工輔助作業(yè)............................................144開挖工期安排.....................................................165隧道洞

6、身開挖施工方案.............................................165.1開挖方案概述................................................165.2主要開挖工法................................................175.2.1三臺階留核心土法...................................

7、....175.2.2單側(cè)壁導(dǎo)坑法...........................................205.2.3雙側(cè)壁導(dǎo)坑法...........................................225.2.4環(huán)形導(dǎo)坑留核心土法.....................................245.2.5上下斷面正臺階法....................................

8、...266鉆爆施工.........................................................276.1鉆爆設(shè)計...................................................276.2炮眼布置....................................................316.3鉆爆作業(yè).......................

9、.............................34中鐵十一局集團(tuán)有限公司新屋隧道洞身開挖施工專項方案29.3超前地質(zhì)預(yù)報施工工序........................................5710監(jiān)控量測........................................................5710.1監(jiān)控量測的目的.................................

10、............5710.2監(jiān)控量測項目...............................................5810.3監(jiān)控量測方案...............................................5810.3.1洞內(nèi)外觀察..........................................5810.3.2拱頂下沉及周邊位移..................

11、................5910.3.3地表下沉............................................6110.4量測方法及數(shù)據(jù)處理.........................................6210.4.1水平收斂量測方法....................................6210.4.2水平收斂數(shù)據(jù)處理........................

12、............6310.4.3拱頂下沉量測方法....................................6410.4.4拱頂下沉量測數(shù)據(jù)的處理..............................6410.4.5量測數(shù)據(jù)的處理與應(yīng)用................................6410.5監(jiān)控量測與信息反饋程序圖...................................6510

13、.6隧道監(jiān)控量測保證措施.......................................6610.7監(jiān)控量測注意事項...........................................6711安全管理及保證體系..............................................6811.1安全管理組織機(jī)構(gòu).......................................

14、....6811.2安全生產(chǎn)保證體系..........................................6811.3危險源辨識及預(yù)防..........................................6911.3.1重大危險源辨識、評價、監(jiān)控、管理制度.................6911.3.2危險源辨識及預(yù)防控制措施.............................7011.4安全保證措施

15、..............................................7311.4.1安全生產(chǎn)教育與培訓(xùn)..................................7311.4.2安全生產(chǎn)檢查........................................7311.4.3隱患整改............................................7411.5隧道施工安全措