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Comprehensive surface geophysical investigation of karst caves ahead of the tunnel face: A case study in the Xiaoheyan section of the water supply project from Songhua River, Jilin, China

Geotechnical EngineeringGeological EngineeringEngineeringStructural GeologyGeomorphologyUnderground SpaceCivil EngineeringGeographyTunnelingRock BurstKarst CavesTunnel FaceUnderground ConstructionEngineering GeologyEarth ScienceSonghua RiverKarst Process