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CN45 patents

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US11945752B1Apr 2, 2024

Barium slag-modified aluminate quick-hardening special cementing material and preparation method thereof

INST ROCK & SOIL MECH CAS3 citations74
US11604128B1Mar 14, 2023

Self drilling pressure simulation test device and method for formation containing natural gas hydrate

INST ROCK & SOIL MECH CAS5 citations72
US11277675B2Mar 15, 2022

Method and apparatus for monitoring the interaction between surrounding rocks and TBM in TBM tunneling process

INST ROCK & SOIL MECH CAS2 citations72
US12253647B1Mar 18, 2025

Multi-probe nuclear magnetic resonance rock soil in-situ monitoring method

INST ROCK & SOIL MECH CAS2 citations71
US10012577B2Jul 3, 2018

Rock hollow cylinder torsional shear apparatus

INST ROCK & SOIL MECH CAS3 citations71
US10684203B2Jun 16, 2020

Ring shear and seepage-coupled apparatus and ring shear and seepage-coupled test system for rock and rock fracture under tension or compression stress

INST ROCK & SOIL MECH CAS4 citations70
US11821805B1Nov 21, 2023

Hard-shell inclusion strain gauge and high frequency real-time monitoring system for 3D stress in surrounding rockmass of underground engineering

INST ROCK & SOIL MECH CAS3 citations68
US10564079B2Feb 18, 2020

Device, system and method for triaxial compression test with/without jacket by gas confining pressure on rock

INST ROCK & SOIL MECH CAS3 citations64
US12313532B1May 27, 2025

Static cone penetration test device and test method incorporating hyperspectral imaging technology

INST ROCK & SOIL MECH CAS1 citations62
US11892577B2Feb 6, 2024

Multi-scale photoacoustic detection method of geological structure around borehole and related devices

INST ROCK & SOIL MECH CAS0 citations60
US12276639B1Apr 15, 2025

Large-space high-temperature and high-pressure true triaxial flexible loading device

INST ROCK & SOIL MECH CAS1 citations59
US11879872B2Jan 23, 2024

Deformation and control simulation test system for tunnel engineering supporting structure

INST ROCK & SOIL MECH CAS0 citations58
US11873225B2Jan 16, 2024

Modified montmorillonite self-repairing agent and preparation method and use thereof

INST ROCK & SOIL MECH CAS0 citations56
US11847383B2Dec 19, 2023

Method for determining a performance of an unsaturated subgrade of a multi-layered expressway section and processing device thereof

INST ROCK & SOIL MECH CAS1 citations56
US11808914B2Nov 7, 2023

Method and equipment for transformation of point cloud coordinates of structure plane of deep-buried tunnel based on target device

INST ROCK & SOIL MECH CAS1 citations56
US12061113B1Aug 13, 2024

Intelligent frequency reading method applicable to low-temperature environment and wireless vibrating wire acquisition instrument

INST ROCK & SOIL MECH CAS1 citations52
US12253509B2Mar 18, 2025

Multiphase flow cylindrical model test system and test method

INST ROCK & SOIL MECH CAS0 citations51
US12122937B2Oct 22, 2024

Flexible gastight material for landfill site, and preparation method and use method thereof

INST ROCK & SOIL MECH CAS0 citations51
US11858017B2Jan 2, 2024

In-situ vapor injection thermal desorption device

INST ROCK & SOIL MECH CAS0 citations51
US12313575B1May 27, 2025

Multi-probe multi-frequency nuclear magnetic resonance rock soil in-situ monitoring system

INST ROCK & SOIL MECH CAS0 citations50
US12553877B2Feb 17, 2026

Testing device and method for interface mechanical parameters of hydrated soil containing natural gas

INST ROCK & SOIL MECH CAS0 citations49
US11280180B2Mar 22, 2022

Portable in-situ gas pressure measuring device for shallow gas-bearing stratum and measuring method thereof

INST ROCK & SOIL MECH CAS0 citations49
US12203373B2Jan 21, 2025

Automatic microseismic monitoring-intelligent rockburst early warning integrated system and method for tunnel boring machine (TBM)-based construction

INST ROCK & SOIL MECH CAS0 citations48
US12474319B1Nov 18, 2025

Physical simulation experiment system for vapor-liquid multiphase seepage in underground gas storage facility in depleted gas reservoir

INST ROCK & SOIL MECH CAS0 citations47
US11491444B2Nov 8, 2022

Preparation and application of in-situ high efficient degradation carbon based materials of VOCs in landfill based on waste recycling

INST ROCK & SOIL MECH CAS0 citations47
US11415498B2Aug 16, 2022

Rock high-stress high-temperature micro-nano indentation test system

INST ROCK & SOIL MECH CAS0 citations47
US12546079B2Feb 10, 2026

Heat collection bag, device and method for solidifying and filling calcium sand foundation

INST ROCK & SOIL MECH CAS0 citations46
US11796513B2Oct 24, 2023

Dual channel nondestructive testing method for rock bolt and related devices

INST ROCK & SOIL MECH CAS0 citations45
US11740371B2Aug 29, 2023

Device and method for measuring dynamic evolution of three-dimensional disturbed stress under mining disturbance

INST ROCK & SOIL MECH CAS0 citations45
US11486249B2Nov 1, 2022

Combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection

INST ROCK & SOIL MECH CAS0 citations45
US11835436B2Dec 5, 2023

Specimen preparation method for eliminating membrane penetration effect on highly-weathered rock

INST ROCK & SOIL MECH CAS0 citations44
US11492905B2Nov 8, 2022

Lidar-based convergence deformation monitoring system for surrounding rock around TBM shield region

INST ROCK & SOIL MECH CAS0 citations44
US12392698B2Aug 19, 2025

System and method for testing rock fracture under vacuum and extreme-temperature condition

INST ROCK & SOIL MECH CAS0 citations43
US11781926B1Oct 10, 2023

Fiber grating sensor, strain monitoring method and system for a surrounding rock of a deep roadway

INST ROCK & SOIL MECH CAS0 citations43
US11740385B2Aug 29, 2023

Quantitative assessment method, apparatus, and device for global stability of surrounding rocks of underground caverns

INST ROCK & SOIL MECH CAS0 citations43
US11326449B2May 10, 2022

Method for determining three-dimensional in-situ stress based on displacement measurement of borehole wall

INST ROCK & SOIL MECH CAS0 citations43
US11296338B2Apr 5, 2022

Device for storing electrical energy of salt cavern flow battery

INST ROCK & SOIL MECH CAS0 citations43
US11242752B2Feb 8, 2022

Liquid taking device and liquid taking method

INST ROCK & SOIL MECH CAS0 citations43
US11634987B2Apr 25, 2023

Safety early warning method and device for full-section tunneling of tunnel featuring dynamic water and weak surrounding rock

INST ROCK & SOIL MECH CAS0 citations42
US12055448B1Aug 6, 2024

Vibrating wire stress gauge and stress testing equipment suitable for use in low temperature environments

INST ROCK & SOIL MECH CAS0 citations41
US12379271B1Aug 5, 2025

Mounting device and method of tandem-type rock mass three-dimensional disturbance stress sensor

INST ROCK & SOIL MECH CAS0 citations40
US12352914B2Jul 8, 2025

Stereoscopic identification method and apparatus for disturbance stress evolution process of underground cave surrounding rock

INST ROCK & SOIL MECH CAS0 citations40
US12180666B2Dec 31, 2024

Device and method for health diagnosis of subgrade service performance

INST ROCK & SOIL MECH CAS0 citations40
US11169289B2Nov 9, 2021

Sensing-acquisition-wireless transmission integrated microseismic monitoring system and method

INST ROCK & SOIL MECH CAS0 citations38
US10794184B2Oct 6, 2020

Recyclable sand-consolidated anchor head prestressed anchor, anchorage jack and its application method

INST ROCK & SOIL MECH CAS0 citations34