US Patent Issued to China Railway Eleventh Bureau Group, Wuhan University of Technology, China Railway Eleventh Bureau Group Fourth Engineering, Wujiu Railway Passenger Dedicated Line Hubei, Southwest Jiaotong University, China Railway Seventh Group, Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences, China Railway Southwest Scientific Research Institute on July 22 for "Method and device for identifying full-section excavation parameters of large-section tunnel with broken surrounding rock" (Chinese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,679, issued on July 22, was assigned to China Railway Eleventh Bureau Group Co. Ltd (Wuhan, China), Wuhan University of Technology (Wuhan, China), China Railway Eleventh Bureau Group Fourth Engineering Co. Ltd. (Wuhan, China), Wujiu Railway Passenger Dedicated Line Hubei Co. Ltd (Wuhan, China), Southwest Jiaotong University (Chengdu, China), China Railway Seventh Group Co. Ltd. (Zhengzhou, China), Wuhan Institute of Geotechnical Mechanics, Chinese Academy of Sciences (Wuhan, China) and China Railway Southwest Scientific Research Institute Co. Ltd (Chengdu, China).

"Method and device for identifying full-section excavation parameters of large-section tunnel with broken surrounding ...