Abstract：Research purposes： The geological condition of Tonghai Tunnel is complex with big amount of bursting - water，so the large -scaled water bursting easily happens in construction. The heavy water bursting happened at PDK 35 + 770 of Tonghai Tunnel portal，so it is necessary to analyze and treat such geological disaster in theory.
Research results ： Through doing study on and analysis of local geological conditions and hydrographic conditions，the measures of blocking with mortar - stopping wall, radial and ahead grouting reinforcement, central draining water by pipe and by - pass pilot tunnel are taken to the flat pilot tunnel on main line，which avoid the risk of water bursting and guarantee the construction safety, resulting in saving the construction cost and time.
叶樵. 长大复杂地质隧道大涌水地质灾害分析与治理[J]. 铁道工程学报, 2008, 25(7): 65-68.
YE Qiao. Analyses and Treatment of Geological Disaster of Heavy Water Bursting to Large Tunnel in Complex Geological Condition Zone. 铁道工程学报, 2008, 25(7): 65-68.
2008, Vol. 25 
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