US Patent Issued on Dec. 30 for "Waterproof structure for a panel joint of an underground diaphragm wall" (Chinese Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,842, issued on Dec. 30.

"Waterproof structure for a panel joint of an underground diaphragm wall" was invented by Zhaosheng Wu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A waterproof structure for a panel joint of an underground diaphragm wall includes a first waterstop and a first cover plate. The panel joint is provided with a wall connection plate. The underground diaphragm wall has an excavation surface. In a direction perpendicular to the excavation surface, the wall connection plate is arranged below the excavation surface of the underground diaphragm wall. A first accommodating groove is defined between the wall connectio...