公开(公告)号：US20220291105A1

公开(公告)日：2022-09-15

申请号：US17641007

申请日：2020-09-07

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai LI ,  Zhenhao XU ,  Heng SHI ,  Peng LIN ,  Tengfei YU ,  Huihui XIE ,  Yichi ZHANG ,  Ruiqi SHAO

IPC: G01N3/56

Abstract: A TBM-mounted surrounding rock wear resistance testing system and method, the system including: a fixing module, arranged on a TBM, the module has a movable end for extending to the surrounding rock of a tunnel; a surrounding rock polishing module on the movable end, the module includes a polishing mechanism for test area; a surrounding rock wear resistance testing module on the movable end, follows the movable end moving the test area, and including a mechanism for testing the wear resistance of the polished test area and a drive mechanism thereof; and a central control module, configured to control the motion states and operations of the fixing module, the surrounding rock polishing module and surrounding rock wear resistance testing module, and determine the wear resistance of the surrounding rock according to the wear resistance test result. The system can polish tunnel surrounding rock during TBM excavation and test wear resistance.

公开(公告)号：US20220205971A1

公开(公告)日：2022-06-30

申请号：US17604094

申请日：2020-01-21

Applicant: SHANDONG UNIVERSITY

Inventor： Zhenhao XU ,  Xin HUANG ,  Youbo LIU ,  Huihui XIE ,  Tengfei YU ,  Yanhui GE ,  Peng LIN ,  Dongdong PAN

IPC: G01N33/24 ,  G09B23/40

Abstract: An integrated test device and method for filling karst cave deposition and tunnel intermittent water and mud inrush disasters. The device includes a mixing tank, water tank, water collection tank and plurality of depositing tanks, wherein mixing tank outlet is connected to one end of a pipe, the other end of the pipe extends to one end of the water tank, the plurality of depositing tanks are arranged underwater tank at intervals, the water collection tank is arranged at the water tank's other end, and a detachable baffle is arranged in the water tank and in front of each depositing tank. The deposition and consolidation of filling media and water and mud inrush can be simulated and observed through the setting and cooperation of the plurality of depositing tanks, different working conditions can be simulated by changing the flow rate, sample concentration, particle gradation, depositing height and displacement.

公开(公告)号：US20220355876A1

公开(公告)日：2022-11-10

申请号：US17618745

申请日：2020-12-30

Applicant: SHANDONG UNIVERSITY

Inventor： Zhenhao XU ,  Peng LIN ,  Tengfei YU ,  Huihui XIE ,  Ruiqi SHAO ,  Dongdong PAN ,  Fumin LIU ,  Gang LIU

IPC: B62D57/024 ,  E21D9/00 ,  B62D57/04 ,  G01N21/31 ,  G01N33/24

Abstract: A system and a method identify an adverse geological body in a tunnel based on hyperspectral technology analysis. The system includes a wall-climbing robot, a controller, and a signal processor, wherein the wall-climbing robot is provided with a plurality of groups of hyperspectral light sources and receivers, and the hyperspectral light sources and the receivers are arranged at intervals; the controller is configured to control the operation of the wall-climbing robot to ensure that the wall-climbing robot moves on a tunnel face according to a set spiral path; and the signal processor communicates with the receivers to receive the acquired spectrum data, draws a mineral distribution map of the tunnel face with the path raveled by the wall-climbing robot as a plane, and identifies an adverse geological body by identifying categories and distribution characteristics of the representative minerals.

公开(公告)号：US20210263062A1

公开(公告)日：2021-08-26

申请号：US17253649

申请日：2020-01-21

Applicant: SHANDONG UNIVERSITY

Inventor： Zhenhao XU ,  Dongdong PAN ,  Yichi ZHANG ,  Peng LIN ,  Huihui XIE ,  Yuchao DU ,  Zehua BU ,  Xiaote WANG

IPC: G01P5/02 ,  G01P13/04

Abstract: An underwater detector includes a sealed enclosure, inside an infrared sensor module is disposed. The module rotates around a spindle at a fixed angular velocity along a horizontal plane. An electronic compass disposed on the module. A bottom of the sealed enclosure connected to an indicator through a rotary shaft, and the indicator rotates around the rotary shaft on the horizontal plane. The indicator includes a head and tail fin. A light source emits a light beam vertically upwards on the tail fin. The module is configured to trigger, when receiving the light beam, the electronic compass records a real-time direction relative to the spindle, which is processed by a processor module to obtain a direction of the water flow. A spring connects between the head and tail fin. The infrared sensor module transmits a moment of receiving the light beam to the processor module to calculate the water flow.

公开(公告)号：US20210255114A1

公开(公告)日：2021-08-19

申请号：US16958017

申请日：2019-04-26

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai LI ,  Zhenhao XU ,  Heng SHI ,  Xiaoqi CHEN ,  Tengfei YU ,  Huihui XIE ,  Xin HUANG ,  Yuchao DU

IPC: G01N21/89 ,  G01N21/01 ,  G01N33/24

Abstract: A full-automatic rock specimen image acquisition device and method, the device includes a central controller and a lighting system, a rock mass attitude control system, a dust system and an image acquisition system connected to the central controller respectively; the lighting system includes a lighting chamber and light sources with adjustable light intensities, and the light sources with adjustable light intensities are uniformly arranged in the lighting chamber; the rock mass attitude control system includes a rotating stage disposed in the lighting chamber for carrying the rock, a rock holder disposed on the stage, and a rotating gripper disposed above the stage for turning over the rock; and the dust system is connected to the lighting chamber, and can diffuse the dust into the lighting chamber through an air compressor and control the dust concentration in the lighting chamber through an electrostatic precipitator.

公开(公告)号：US20230144184A1

公开(公告)日：2023-05-11

申请号：US17881158

申请日：2022-08-04

Applicant: SHANDONG UNIVERSITY

Inventor： Zhenhao XU ,  Peng LIN ,  Shucai LI ,  Huihui XIE ,  Heng SHI ,  Zhaoyang WANG ,  Fumin LIU ,  Ruiqi SHAO

IPC: E21B49/00 ,  E21D9/00

CPC classification number: E21B49/003 ,  E21B49/005 ,  E21D9/003 ,  E21B2200/20

Abstract: An advanced geological prediction method and system based on perception while drilling, and relates to advanced geological prediction. The solution includes: acquiring drilling parameters during drilling; obtaining physical and mechanical parameters of tunnel surrounding rocks by inversion based on drilling parameters; acquiring rock slag or powder based on flushing fluid collected during drilling; acquiring geochemical characteristic parameters of rock slag or powder; and obtaining at least one adverse geology recognition result and surrounding rock classification result using a pre-trained deep learning model, and realizing advanced geological prediction. Combined with advanced geological drilling, the solution reflects geological characteristics from changes of physical and mechanical properties of tunnel surrounding rocks and changes of geochemical characteristic parameters. Advanced prediction of geology ahead of a tunnel face is realized by collection and analysis of drilling parameters and flushing fluid during advanced drilling and the fusion of big data and a deep learning algorithm.

公开(公告)号：US20220412867A1

公开(公告)日：2022-12-29

申请号：US17777801

申请日：2020-01-21

Applicant: SHANDONG UNIVERSITY

Inventor： Zhenhao XU ,  Huihui XIE ,  Shucai LI ,  Peng LIN ,  Xin HUANG ,  Zhaoyang WANG ,  Dongdong PAN ,  Youbo LIU

IPC: G01N15/02

Abstract: A TBM-mounted system and method for quickly predicting compressive strength of rocks based on rock mineral composition and fabric characteristics. The system is mounted on gripper shoe's side surface of an open-type TBM, and includes a protective device, hydraulic device, servo motor, detection device, control system and a data comprehensive analysis platform. The hydraulic device is mounted on the protective device's side wall, for controlling movement of detection device horizontally. The servo motor controls rotation of detection device. The detection device collects a variety of geological parameters of target surrounding rock affecting compressive strength of rock and providing basic data for compressive strength prediction of rock. The control system controls work of hydraulic device, servo motor and each detection device. The data comprehensive analysis platform is connected to each detection instrument, receives geological parameters collected, processes and analyzes each parameter, and gives a prediction of compressive strength of rock.

公开(公告)号：US20220317021A1

公开(公告)日：2022-10-06

申请号：US17619203

申请日：2020-12-10

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai LI ,  Zhenhao XU ,  Ruiqi SHAO ,  Fumin LIU ,  Huihui XIE ,  Tengfei YU ,  Peng LIN ,  Dongdong PAN

IPC: G01N17/00 ,  G01N1/04 ,  G01N33/24 ,  G06N3/08

Abstract: The present disclosure provides a determining device for the weathering resistant capability of clastic rocks in a tunnel based on feldspar features, which overcomes the shortcomings of current evaluation methods, is easy to operate, can be used to detect the type, content, and crystal structure of feldspar in a rock stratum, and integrates the information by combining a computer deep learning method to determine the weathering resistant capability of clastic rocks containing different types of feldspar in a tunnel, with high accuracy.

公开(公告)号：US20210215590A1

公开(公告)日：2021-07-15

申请号：US16957631

申请日：2019-04-26

Applicant: SHANDONG UNIVERSITY

Inventor： Shucai LI ,  Zhenhao XU ,  Heng SHI ,  Huihui XIE ,  Tengfei YU ,  Wenyang WANG ,  Xin HUANG ,  Yuchao DU

IPC: G01N15/02 ,  G01N23/223

Abstract: An intelligent lithology identification system and method based on images and spectrum technology. The intelligent lithology identification system includes a rock shape analysis system, an image identification system, a sample processing system, a spectrum analysis system, and a central analysis and control system; wherein the central analysis and control system determines the final lithology of a sample according to the rock identification results from the image identification system and the analysis results from the spectrum analysis system. The technical solution further identifies the content and type of minerals by using spectrum technology, integrates and analyzes the results of spectrum analysis and image identification, and finally gives the lithology of the rock, which greatly improves the accuracy of lithology identification.