Patents by Inventor Yiyan Lu

Yiyan Lu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for reinforcing concrete-filled steel tubular column with outer concrete-filled steel tube
    Patent number: 11746545
    Abstract: Disclosed are a method and equipment for reinforcing a concrete-filled steel tubular column with an outer concrete-filled steel tube. The method includes following steps: step 1, grinding and derusting an outer wall of a concrete-filled steel tubular column to be reinforced by an auxiliary device; step 2, welding two prefabricated semi-rectangular steel plates in advance, forming a complete rectangular steel tube with the two semi-rectangular steel plates and sleeving the rectangular steel tube outside the concrete-filled steel tubular column to be reinforced; and step 3, filling self-compacting concrete between the outer wall of the concrete-filled steel tubular column to be reinforced and an inner wall of the rectangular steel tube to complete a reinforcement.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: September 5, 2023
    Assignee: WUHAN UNIVERSITY
    Inventors: Yiyan Lu, Shan Li, Zhenzhen Liu, Yuhong Yan, Weijie Li