Patents Assigned to CHINA RAILWAY 14TH BUREAU GROUP CO., LTD.
  • Patent number: 11927098
    Abstract: A method and apparatus for controlling stratum deformation in a shield construction process, a non-volatile storage medium, and a processor are disclosed. The method includes: monitoring settlement characteristic parameters in a shield construction process; predicting a settlement proportion according to the settlement characteristic parameters, the settlement proportion being a ratio between a predicted settlement value and a corresponding settlement threshold; and determining construction parameters in the shield construction process according to the settlement proportion.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: March 12, 2024
    Assignees: CHINA RAILWAY 14TH BUREAU GROUP CO., LTD., CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP CO., LTD.
    Inventors: Jian Chen, Mingqing Xiao, Chengzhen Wang, Xiuting Su, Shuchen Li, Feng Xue, Xiudong Li, Yankun Wu, Wenhao Sun
  • Patent number: 11905834
    Abstract: The present disclosure provides a shield sealing device and a shield sealing method, a pile wall is arranged at a shield receiving opening, the shield sealing device is mounted on the pile wall, and the shield sealing device comprises: an elastic inner ring, an inner wall of the elastic inner ring adapting to an outer wall of a cutter head of a shield tunneling machine; and a plurality of control units, the plurality of control units being mounted on the pile wall, the plurality of control units being arranged in a circumferential direction of the elastic inner ring at intervals, and a driving end of the control part pressing against an outer side of the elastic inner ring so as to extrude or release the elastic inner ring.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: February 20, 2024
    Assignees: CHINA RAILWAY 14TH BUREAU GROUP CO., LTD., OCEAN UNIVERSITY OF CHINA
    Inventors: Jian Chen, Shuchen Li, Bin Zhi, Chengzhen Wang, Penglin Li, Hongjun Liu