Analysis of Causes and Treatment Techniques for Mud Inrush in Highway Tunnels
Mud burst is one of the most serious geological hazards in the construction and operation management of highway tunnels,affecting tunnel safety,construction progress,and surrounding environment.The article combines the mud inrush accident that occurred during the con-struction of the YK4+366 face in the right tunnel of the Gaotou Tunnel on the Jingyong Expressway.Comprehensive measures such as backfill-ing the tunnel slag,sealing the face with shotcrete,adding temporary steel support,advanced support,and tunnel pipe shed are adopted to safely and effectively deal with this sudden danger,ensuring the normal progress of construction under weak surrounding rock of the tunnel.This has certain reference significance for future underground engineering construction under similar conditions.
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