The second undersea tunnel project in Jiaozhou Bay is affected by tensile-torsional fissures,and its groundwater is extremely developed and the geological conditions are complicated.Through the two aspects of advance forecast and early warning of sudden water influx and advance forecast and grouting prevention and control,it introduces the application of the key technology of sudden water influx prevention and control for the undersea tunnel crossing the fault fracture zones in the second undersea tunnel project in Jiaozhou Bay.
关键词
海底隧道/钻爆法/穿越断层/突涌水/超前预报/注浆加固/风险控制
Key words
undersea tunnel/drilling and blasting method/crossing faults/sudden water inrush/advance forecast/grouting reinforcement/risk control