公开(公告)号：US20190204191A1

公开(公告)日：2019-07-04

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: G01N1/44 ,  G01V99/00 ,  G01N1/36 ,  B33Y50/02 ,  B33Y10/00 ,  B28B1/14 ,  B28B11/24

CPC classification number: G01N1/44 ,  B28B1/14 ,  B28B11/24 ,  B33Y10/00 ,  B33Y50/02 ,  B33Y70/00 ,  G01N1/28 ,  G01N1/36 ,  G01V99/005

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.

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：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：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：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.

公开(公告)号：US20190360334A1

公开(公告)日：2019-11-28

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

IPC: E21D11/00 ,  E21D11/15

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.

公开(公告)号：US20190206279A1

公开(公告)日：2019-07-04

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

IPC: G09B19/00

CPC classification number: G09B19/0061 ,  G01N13/04

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.