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公开(公告)号：US12228563B2
公开(公告)日：2025-02-18
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
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.
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公开(公告)号：US12071185B2
公开(公告)日：2024-08-27
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: G01N21/31 , B62D57/024 , B62D57/04 , E21D9/00 , G01N33/24
CPC classification number: B62D57/024 , B62D57/04 , E21D9/003 , 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.
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Patent Agency Ranking
公开(公告)号：US12044660B2
公开(公告)日：2024-07-23
申请号：US17640915
申请日：2020-01-21
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai Li , Peng Lin , Heng Shi , Zhenhao Xu , Youbo Liu , Tengfei Yu , Zehua Bu , Xiaote Wang
CPC classification number: G01N3/08 , G01N3/42 , G01N29/07 , G01N2203/0019 , G01N2203/0647 , G01N2291/0232
Abstract: A predicting system and method for the uniaxial compressive strength of rock include a point loading strength test module, a longitudinal wave velocity test module, a rock rebound value test module and a strength prediction module, wherein the longitudinal wave velocity test module performs longitudinal wave velocity tests on the rock, and transfers the longitudinal wave velocity of the rock to the strength prediction module; the rock rebound test module performs rebound test on the rock, and transfers the rebound value of the rock to the strength prediction module; the point loading strength test module performs image acquisition on a fracture surface of the rock after being loaded and fractured by the point loading test, and calculates the area of the fracture surface; and the strength prediction module outputs a uniaxial compressive strength prediction result of the rock according to the received information and a preset prediction model.
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公开(公告)号：US11879874B2
公开(公告)日：2024-01-23
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
CPC classification number: G01N3/56 , G01N2203/0048
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.
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公开(公告)号：US11092524B2
公开(公告)日：2021-08-17
申请号：US16314491
申请日：2018-01-10
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai Li , Zhenhao Xu , Bin Gao , Xintong Wang , Wenyang Wang , Yuchao Du , Xin Huang , Dongdong Pan , Peng Lin
IPC: B33Y50/00 , G01N1/44 , G01V99/00 , G01N1/36 , B33Y10/00 , B28B1/14 , B28B11/24 , B33Y50/02 , B28B7/34 , G01N1/28 , G01N33/00 , E02D1/02 , B33Y70/00
Abstract: A method and device for preparing karst caves based on 3D printing technology. The method includes the following steps: determining size of a sample according to test requirements, constructing a 3D karst cave digital model based on three-dimensional karst cave scanning result, and carrying out 3D printing by using alloy to form primary karst cave sample; preparing rock similar material mixture according to proportioning scheme; pouring mixture into sample mold while burying karst cave model into mixture according to position of a karst cave; curing sample together with mold at room temperature until rock similar materials get hardened, removing mold, curing formed karst cave rock sample at constant temperature and constant humidity and then baking or heating same by electrifying heating wire in alloy to form rock sample with hollow karst cave; and filling hollow karst cave with different fillings to form different type of karst cave sample.
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16.发明授权公开(公告)号：US10657841B2
公开(公告)日：2020-05-19
申请号：US16314658
申请日：2017-12-14
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai Li , Zhenhao Xu , Xintong Wang , Peng Lin , Xin Huang , Dongdong Pan , Wenyang Wang , Bin Gao
Abstract: A whole-process simulation experiment system has: a visualized model system with test samples and serving as a bearing device for the simulation of whole-process seepage of filling-type karst; a controllable support system supporting a visualized model box and controlling fluid seepage direction in the box by changing its inclination angle; a servo loading system controlling water pressure in the test process and providing four different loading modes for the box; a high-speed camera system recording water flow and particle motion in a transparent seepage model box in the seepage failure process; a comprehensive data measuring system monitoring and recording the change rules of factors including but not limited to seepage pressure, seepage amount and sand gushing amount in the seepage failure process; and an information analysis and feedback system recording and analyzing the seepage process and the whole seepage failure process in real time to achieve data processing and feedback.
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17.发明授权公开(公告)号：US10513924B2
公开(公告)日：2019-12-24
申请号：US16072086
申请日：2018-01-10
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai Li , Zhenhao Xu , Xintong Wang , Xin Huang , Chunjin Lin , Dongdong Pan , Peng Lin
Abstract: An intelligent and flexible steel arch protection device for rockfall and collapse of tunnels, including an arch main body system and a flexible protection system. The arch main body system includes an arched rigid high-strength steel frame and a base. The flexible protection system includes two parallel supporting rods which are oppositely arranged on the steel frame along the circular arc of the arch. Connecting rods are arranged between the two supporting rods at intervals, and the two ends of the connecting rods are fixed to the two supporting rods. The connecting rods are sleeved with guide rods and elastic devices are arranged between the guide rods and the supporting rods. A plurality of rolling shafts vertical to the axial direction of the two-way guide rods and connected with the two-way guide rods are arranged between the adjacent two-way guide rods, and the rolling shafts are sleeved with flexile rollers.
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