三導(dǎo)洞法開(kāi)挖施工作業(yè)指導(dǎo)書

1、....學(xué)習(xí)參考SYCZYGCB061中鐵隧道集團(tuán)一處有限公司份號(hào)：三導(dǎo)洞法開(kāi)挖施工作業(yè)指導(dǎo)書編號(hào)：SYCZXSGFA20□□—□□擬制：日期：年月日校對(duì)：日期：年月日初審：（公司工程部工程師）日期：年月日審核：（公司工程部部長(zhǎng)）日期：年月....學(xué)習(xí)參考目錄一、編制目的一、編制目的..................................................................1二、編制依據(jù)二、編制依

2、據(jù)..................................................................1三、適用范圍三、適用范圍..................................................................1四、施工工藝流程四、施工工藝流程.........................................................

3、.....1五、施工方法及要求五、施工方法及要求............................................................35.15.1施工準(zhǔn)備施工準(zhǔn)備..............................................................35.1.15.1.1技術(shù)準(zhǔn)備工作技術(shù)準(zhǔn)備工作....................................

4、................35.1.25.1.2現(xiàn)場(chǎng)施工準(zhǔn)備現(xiàn)場(chǎng)施工準(zhǔn)備....................................................45.25.2施工方法及要求施工方法及要求........................................................45.2.15.2.1三導(dǎo)洞法施工工序三導(dǎo)洞法施工工序.........................

5、.......................45.2.25.2.2側(cè)導(dǎo)洞施工側(cè)導(dǎo)洞施工......................................................55.2.35.2.3正洞施工正洞施工........................................................55.35.3超前支護(hù)超前支護(hù)................................

6、..............................55.3.15.3.1施工工藝施工工藝........................................................65.3.25.3.2施工方法施工方法........................................................65.45.4開(kāi)挖開(kāi)挖.............................

7、.....................................85.4.15.4.1爆破開(kāi)挖爆破開(kāi)挖........................................................85.4.25.4.2特殊情況下針對(duì)性開(kāi)挖措施特殊情況下針對(duì)性開(kāi)挖措施........................................95.55.5支護(hù)體系施工支護(hù)體系施工..............

8、............................................95.5.15.5.1找頂與初噴找頂與初噴.....................................................105.5.25.5.2鋼拱架鋼拱架.........................................................105.5.35.5.3鋼筋網(wǎng)鋼筋網(wǎng).........

9、................................................115.5.45.5.4錨桿錨桿...........................................................115.5.55.5.5噴射混凝土噴射混凝土.....................................................135.5.65.5.6鎖腳錨桿鎖腳錨桿(管

10、)施工施工...............................................145.5.75.5.7臨時(shí)支撐施工臨時(shí)支撐施工...................................................155.5.85.5.8仰拱初期支護(hù)仰拱初期支護(hù)...................................................155.65.6監(jiān)控量測(cè)監(jiān)控量測(cè)..

11、...........................................................155.6.15.6.1監(jiān)控目的監(jiān)控目的.......................................................155.6.25.6.2監(jiān)測(cè)項(xiàng)目監(jiān)測(cè)項(xiàng)目.......................................................165.6.35.6.

12、3監(jiān)測(cè)頻率監(jiān)測(cè)頻率.......................................................175.6.45.6.4測(cè)線和測(cè)點(diǎn)的布置測(cè)線和測(cè)點(diǎn)的布置...............................................175.6.55.6.5注意事項(xiàng)注意事項(xiàng).......................................................19六、質(zhì)量

13、標(biāo)準(zhǔn)及檢驗(yàn)方法六、質(zhì)量標(biāo)準(zhǔn)及檢驗(yàn)方法.......................................................196.16.1超前導(dǎo)管超前導(dǎo)管.............................................................196.1.16.1.1基本要求基本要求..................................................

14、.....196.1.26.1.2實(shí)測(cè)項(xiàng)目實(shí)測(cè)項(xiàng)目.......................................................196.26.2洞身開(kāi)挖洞身開(kāi)挖.............................................................206.2.16.2.1基本要求基本要求...........................................

15、............206.2.26.2.2實(shí)測(cè)項(xiàng)目實(shí)測(cè)項(xiàng)目.......................................................206.36.3鋼支撐支護(hù)鋼支撐支護(hù)...........................................................216.3.16.3.1基本要求基本要求....................................