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    Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection
    1.
    发明授权
    Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection 有权

    公开(公告)号：US11486249B2

    公开(公告)日：2022-11-01

    申请号：US16919058

    申请日：2020-07-01

    申请人： Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

    发明人： Hui Zhou ,  Jingjing Lu ,  Futong Xu ,  Chuanqing Zhang ,  Dawei Hu ,  Yang Gao ,  Fanjie Yang ,  Yong Zhu ,  Mingming Hu

    IPC分类号： E21D9/00 ,  E21D9/10 ,  E21D9/087 ,  E21D9/11

    摘要： Disclosed a combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection, comprising the steps of preparing a combined mechanical-hydraulic rock-breaking cutter head for TBM construction; starting construction; advancing the combined mechanical-hydraulic rock-breaking cutter head; pushing and pressing against a tunnel face by a mechanical cutter tool; subjecting a three-way force detection cutter to squeezing forces; feeding back three-way force data by a three-way force sensor; processing information by a TBM back-end control processor; obtaining a value of rock-cutter contact angle φ; feeding back parameter information to a TBM cutter head control center by a lithology index center; responding by the TBM cutter head control center, obtaining and adjusting parameters by the mechanical cutter tool equipped with the three-way force sensor; and breaking rock by the combined mechanical-hydraulic rock-breaking cutter head. The method disclosed is energy-saving and efficient, and has high rock-breaking efficiency.

    Rock high-stress high-temperature micro-nano indentation test system
    3.
    发明授权
    Rock high-stress high-temperature micro-nano indentation test system 有权

    公开(公告)号：US11415498B2

    公开(公告)日：2022-08-16

    申请号：US17070946

    申请日：2020-10-15

    申请人： Institute of Rock and Soil Mechanics, Chinese Academy of Sciences

    发明人： Dawei Hu ,  Jinliang Song ,  Guoping Zhang ,  Hui Zhou ,  Jianfu Shao ,  Chuanqing Zhang ,  Fanjie Yang ,  Jingjing Lu ,  Yong Zhu ,  Yang Gao ,  Fan Zhang

    IPC分类号： G01N3/18 ,  G01N3/42

    摘要： The present disclosure discloses a rock high-stress high-temperature micro-nano indentation test system, comprising: an X, Y, Z three-direction macroscopic adjustment module, an indentation precision loading module, an indentation test module and an indentation data processing module. The rock high-stress high-temperature micro-nano indentation test system further comprise a two-dimensional horizontal stress loading device, a temperature control device and a vacuum device 13. The rock high-stress high-temperature micro-nano indentation test system provided by the present disclosure has distinctive features of modularity and structuralization, and its test results have high accuracy. The rock high-stress high-temperature micro-nano indentation test system is easy to operate, and provides a theoretical and technical system support for testing the mechanical characteristics of the rock under the high-stress and high-temperature environment in the deep region.