US Patent Issued to Linyi University on March 25 for "Experimental system for surrounding rock crack evolution and water inrush disaster change in tunnel excavation of near-covered karst cave" (Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,862, issued on March 25, was assigned to Linyi University (Linyi, China).

"Experimental system for surrounding rock crack evolution and water inrush disaster change in tunnel excavation of near-covered karst cave" was invented by Hailong Wang (Linyi, China), Chuanyang Jia (Linyi, China), Guibin Zhang (Linyi, China), Xiaoyuan Song (Linyi, China), Xizhen Sun (Linyi, China), Keming Liu (Linyi, China), Xianbin Yu (Linyi, China) and Wei Li (Linyi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the technical field of disaster model experiment of underground engineering, and more particularly to an experimental syste...