Patents by Inventor Xiangang LIU

Xiangang LIU 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).

  • Self-sinking-type deep foundation pit retaining wall structure and construction method for underground space structure
    Patent number: 11965304
    Abstract: A self-sinking-type deep foundation pit retaining wall structure, comprising a cylindrical retaining wall body (1); a ground breaking structure (2) is formed at the bottom of the cylindrical retaining wall body (1), and the cylindrical retaining wall body (1) is suitable for achieving downward ground breaking and sinking by means of the cooperation of the ground breaking structure (2) and the gravity of the cylindrical retaining wall body; and a water pipe (20) running through the cylindrical retaining wall body is cast in the cylindrical retaining wall body (1), and the water pipe (20) is provided with a water outlet (80) located at the lower end face of the cylindrical retaining wall body (1) and a water inlet (81) located at the upper end face of the cylindrical retaining wall body (1).
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: April 23, 2024
    Inventors: Xiangang Liu, Yonghua Li, Yunli Xiong, Liang Peng
  • SELF-SINKING-TYPE DEEP FOUNDATION PIT RETAINING WALL STRUCTURE AND CONSTRUCTION METHOD FOR UNDERGROUND SPACE STRUCTURE
    Publication number: 20230220649
    Abstract: A self-sinking-type deep foundation pit retaining wall structure, comprising a cylindrical retaining wall body (1); a ground breaking structure (2) is formed at the bottom of the cylindrical retaining wall body (1), and the cylindrical retaining wall body (1) is suitable for achieving downward ground breaking and sinking by means of the cooperation of the ground breaking structure (2) and the gravity of the cylindrical retaining wall body; and a water pipe (20) running through the cylindrical retaining wall body is cast in the cylindrical retaining wall body (1), and the water pipe (20) is provided with a water outlet (80) located at the lower end face of the cylindrical retaining wall body (1) and a water inlet (81) located at the upper end face of the cylindrical retaining wall body (1).
    Type: Application
    Filed: December 7, 2020
    Publication date: July 13, 2023
    Inventors: Xiangang LIU, Yonghua LI, Yunli XIONG, Liang PENG