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华蓥山隧道是我国在建的最长公路隧道 ,地质情况十分复杂。通过总结隧道西口右线揭煤的成功经验 ,为隧道大断面安全揭煤和防止煤层采空区坍塌提供技术参考
Huaying Mountain Tunnel is the longest highway tunnel under construction in China. The geological conditions are very complicated. By summing up the successful experience of uncovering coal in the right lane of west tunnel, this paper provides a technical reference for the safety of exposing coal in large section of tunnel and preventing the gob of coal seam.