洞塘隧道出口进洞方案.docx

洞塘隧道出口进洞施工方案PAGE\*MERGEFORMAT1目录TOC\o"1-2"\h\z\uHYPERLINK\l"_Toc448286639"1工程概况PAGEREF_Toc448286639\h1HYPERLINK\l"_Toc448286640"2施工准备PAGEREF_Toc448286640\h1HYPERLINK\l"_Toc448286641"2.1现场平面布置PAGEREF_Toc448286641\h1HYPERLINK\l"_Toc448286642"2.2施工便道PAGEREF_Toc448286642\h1HYPERLINK\l"_Toc448286643"2.4施工用电PAGEREF_Toc448286643\h1HYPERLINK\l"_Toc448286644"2.5施工供风PAGEREF_Toc448286644\h1HYPERLINK\l"_Toc448286645"2.6劳动力组织准备PAGEREF_Toc448286645\h1HYPERLINK\l"_Toc448286646"2.7机械准备PAGEREF_Toc448286646\h2HYPERLINK\l"_Toc448286647"3隧道进洞施工原则PAGEREF_Toc448286647\h3HYPERLINK\l"_Toc448286648"4洞口工程开挖及支护PAGEREF_Toc448286648\h3HYPERLINK\l"_Toc448286649"4.1洞口开挖PAGEREF_Toc448286649\h3HYPERLINK\l"_Toc448286650"4.2边、仰坡防护PAGEREF_Toc448286650\h3HYPERLINK\l"_Toc448286651"4.3超前大管棚施工PAGEREF_Toc448286651\h4HYPERLINK\l"_Toc448286652"5．进洞施工方法PAGEREF_Toc448286652\h9HYPERLINK\l"_Toc448286653"5.1洞口开挖方法PAGEREF_Toc448286653\h9HYPERLINK\l"_Toc448286654"5.2主要施工工序PAGEREF_Toc448286654\h9HYPERLINK\l"_Toc448286655"6超前地质预报PAGEREF_Toc448286655\h33HYPERLINK\l"_Toc448286656"7监控量测PAGEREF_Toc448286656\h33HYPERLINK\l"_Toc448286657"8安全保证措施PAGEREF_Toc448286657\h37HYPERLINK\l"_Toc448286658"8.1洞口段施工安全保证措施PAGEREF_Toc448286658\h37HYPERLINK\l"_Toc448286659"8.2开挖施工安全保证措施PAGEREF_Toc448286659\h37HYPERLINK\l"_Toc448286660"8.3支护安全保证措施PAGEREF_Toc448286660\h38HYPERLINK\l"_Toc448286661"9施工环保、水保措施PAGEREF_Toc448286661\h38HYPERLINK\l"_Toc448286662"9.1施工环保措施PAGEREF_Toc448286662\h38HYPERLINK\l"_Toc448286663"9.2水土保持措施PAGEREF_Toc448286663\h40洞塘隧道出口进洞施工方案PAGE\*MERGEFORMAT40洞塘隧道出口进洞施工方案1工程概况洞塘隧道全长173m，起