US Patent Issued to Shandong University on July 28 for "Underground space frame structure and construction method thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,681, issued on July 28, was assigned to Shandong University (Jinan, China).

"Underground space frame structure and construction method thereof" was invented by Lianxiang Li (Jinan, China), Xiuxi Che (Jinan, China), Yefan Qiu (Jinan, China), Chuhan Wang (Jinan, China) and Shangru Zhang (Jinan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An underground space frame structure includes vertical support piles and multi-layer horizontal components. Each of the vertical support piles includes a pile body vertically disposed in a pile hole before excavating a foundation pit. The pile body includes an upper pile body and a lower pile body. The upper ...