ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,887, issued on Feb. 3, was assigned to Fujian Geological Engineering Survey Institute (Fuzhou, China).

"Test structure and test method for implementing on-site dry-wet cycle of large-grain-size rock-soil body" was invented by Zhichao Zhang (Fuzhou, China), Xuefeng Tang (Fuzhou, China), Kan Liu (Fuzhou, China), Longzhen Ye (Fuzhou, China), Chaoxu Guo (Fuzhou, China) and Yingying Huang (Fuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a test structure and a test method for implementing an on-site dry-wet cycle of a large-grain-size rock-soil body. The solution includes: a test site evenly paved with a test...