Abstract:Research purposes: Rock outburst is a geological disaster that often happens suddenly in construction of long deep - buried tunnel,so the study on the rock outburst has the important practical significance to the survey,design and safe construction of tunnel.
Research conclusions: The hydraulic fracturing method was used to analyze and evaluate the tendentiousness of the rock outburst of one tunnel according to the Russenes criterion,Turchaninov criterion,Hoek criterion and other criterions.The results showed that there was the possibility of rock outburst. The rational excavation method would be chosen and in the construction process,the necessary safety measures would be taken.
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