八字岭隧道帷幕注浆施工技术

Curtain Grouting Technique in the Splayed Tunnel

隧道施工中,对于突水突泥地段,一般采用帷幕注浆施工技术对前方围岩加固处理,然后按正常施工方法进行隧道施工。文章结合宜 (昌)万(县)铁路八字岭隧道DK108+560-DK108+630段帷幕注浆施工技术,探讨帷幕注浆施工的资源配备与施工工艺。

To the water and mud oozing section of the tunnel construction, the curtain grouting technique is usually adopted to the consolidation treatment of the front surrounding rock, and then the normal construction technique is adopted. In the combination with the curtain grouting technique in the construction of Section DK108＋560-DK108＋630 of the splayed tunnel in Yichang-Wanxian Railway, the paper expounds the resources component and construction process of the curtain grouting technique.