Patents Assigned to Foshan Sanlongwan Urban Construction Co. Ltd.
  • Patent number: 10794184
    Abstract: The invention discloses a retrievable sand consolidation anchor head prestressed anchor rod, an anchoring jack and an application method thereof, and belongs to the technical field of geotechnical engineering. The retrievable sand-consolidated anchor head pre-stressed anchor includes a bolt body 6, a rigid frame 5, a load member 1, a sand column 2, a pressure receiving member 4, a cut-off member 3, and an anchor pier 8. The anchoring jack includes a force transmitting frame 12, a first guiding plate 25, a second guiding plate 28, and a housing 13. The application method includes an anchoring method using the retrievable sand-consolidated anchor head prestressed anchor rod and a method of recovering the retrievable sand-consolidated anchor head pre-stressed anchor rod. After the anchoring of the reclaimed sand-consolidated anchor head pre-stressed anchor rod, the bolt body can be recovered and reused, and the operation is simpler and more environmentally friendly.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: October 6, 2020
    Assignees: INSTITUTE OF ROCK AND SOIL MECHANICS, CHINESE ACADEMY OF SCIENCES, Sanming Road and Bridge Group Co. Ltd., Guangxi Beitou Transportation Maintenance Technology Group Co., Ltd., Foshan Sanlongwan Urban Construction Co. Ltd.
    Inventors: Guanhua Sun, Yinghao Sun, Shan Lin, Yongtao Yang, Hong Zheng, Chunguang Li, Fuxing Liao, Junhui Luo, Qinglin Chen, Yi Xiong