US Patent Issued to Ocean University of China on July 15 for "Model test apparatus and method for shield tunnel post-wall grouting and tube sheet uplift under high water pressure conditions" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,360,284, issued on July 15, was assigned to Ocean University of China (Shandong, China).

"Model test apparatus and method for shield tunnel post-wall grouting and tube sheet uplift under high water pressure conditions" was invented by Fei Sha (Shandong, China), Hao Kong (Shandong, China), Tao Liu (Shandong, China), Rui Fan (Shandong, China), Mingshuai Xi (Shandong, China), Shijiu Gu (Shandong, China) and Meng Bu (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention discloses a model test apparatus and method for shield post-wall grouting and tube sheet uplift under high water pressure conditions, comprising main body box, tensio...