公开(公告)号：US11780773B1

公开(公告)日：2023-10-10

申请号：US18300462

申请日：2023-04-14

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Jiangyu Wu ,  Dan Ma ,  Hai Pu ,  Qian Yin ,  Haixiang Zhang ,  Zhengfu Bian ,  Liyuan Yu ,  Hongwen Jing ,  Shuo Yang ,  Yiming Wang

IPC: C04B18/14 ,  C04B24/42 ,  C04B14/46 ,  C04B16/06 ,  C04B24/30 ,  C04B24/28 ,  C04B111/70 ,  C04B111/27 ,  C04B111/00

CPC classification number: C04B18/146 ,  C04B14/4643 ,  C04B16/0633 ,  C04B24/282 ,  C04B24/283 ,  C04B24/307 ,  C04B24/42 ,  C04B2111/00008 ,  C04B2111/27 ,  C04B2111/70 ,  C04B2201/50

Abstract: Disclosed are a grouting material for modifying mudstone, a preparation method and an application thereof, belonging to the technical field of material science and geotechnical engineering. The grouting material for modifying mudstone includes the following raw materials: cement, water, superfine micronized powder, water reducer, silane, fiber, diatomite, urea-formaldehyde resin and waterborne polyurethane. The preparation method of the grouting material for modifying mudstone includes steps of: (1) weighing the raw materials in parts by weight, mixing water of 40% of a total amount of water with water reducer, superfine micronized powder, fiber and diatomite, stirring to obtain a material A; (2) adding silane, urea-formaldehyde resin, waterborne polyurethane and residual water into the material A, obtaining a material B after continuous stirring; and (3) adding cement into the material B, and uniformly stirring to obtain the grouting material for modifying mudstone.

公开(公告)号：US12071375B1

公开(公告)日：2024-08-27

申请号：US18610411

申请日：2024-03-20

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY ,  JIANGSU RESEARCH INSTITUTE OF BUILDING SCIENCE CO., LTD. ,  JIANGSU SOBUTE NEW MATERIALS CO., LTD.

Inventor： Jiangyu Wu ,  Dan Ma ,  Hao Zhang ,  Qian Yin ,  Shuo Yang ,  Wen Xu ,  Gaofang Zhu ,  Zhenhua Li ,  Qingbin Meng ,  Bo Meng ,  Hongwen Jing ,  Jinpeng Dai

IPC: E21F15/00 ,  C04B20/00 ,  C04B111/00 ,  C04B111/20

CPC classification number: C04B20/0008 ,  C04B2111/00724 ,  C04B2111/2038

Abstract: The present disclosure provides a cemented filling material with bionic structure, a preparation method and an application thereof, and belongs to the field of structural modification methods of cemented filling materials and research and development of civil materials with ultra-high energy absorption characteristics. The cemented filling material with bionic structure includes a bionic honeycomb skeleton and cemented filling slurry, where the cemented filling slurry is poured in the bionic honeycomb skeleton.

公开(公告)号：US11966672B2

公开(公告)日：2024-04-23

申请号：US18352344

申请日：2023-07-14

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Qian Yin ,  Jiangyu Wu ,  Hongwen Jing ,  Zheng Jiang ,  Tianci Deng ,  Hai Pu ,  Qiang Zhang ,  Bo Meng

IPC: G06F30/25 ,  G06F111/10

CPC classification number: G06F30/25 ,  G06F2111/10

Abstract: A method and a system for simulating contact and interaction between a support member and a chamber surrounding rock mass are provided in the application. The method includes: obtaining a support scheme of a roadway to be simulated, dividing the roadway to be simulated based on the support scheme to obtain several roadway sections; obtaining physical and mechanical parameters of each rock stratum in each roadway section and an occurrence state of the roadway surrounding rock; constructing particle flow numerical models corresponding to the roadway section; through the particle flow numerical models of every two adjacent roadway sections, obtaining a particle flow meso-structural evolution model of the roadway to be simulated; obtaining meso-mechanical parameters of the roadway to be simulated based on the particle flow numerical models, calibrating the meso-mechanical parameters through the physical and mechanical parameters, establishing the particle flow meso-structural evolution model of the roadway to be simulated.

公开(公告)号：US12202036B1

公开(公告)日：2025-01-21

申请号：US18758891

申请日：2024-06-28

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY ,  JIANGSU RESEARCH INSTITUTE OF BUILDING SCIENCE CO., LTD. ,  JIANGSU SOBUTE NEW MATERIALS CO., LTD. ,  HUNAN XIANGYI LABORATORY INSTRUMENT DEVELOPMENT CO., LTD.

Inventor： Jiangyu Wu ,  Dan Ma ,  Qian Yin ,  Weiqiang Chen ,  Hao Zhang ,  Wen Xu ,  Hongwen Jing ,  Bo Meng ,  Yurong Wu ,  Jihuai Wen ,  Gaofang Zhu ,  Qingbin Meng

IPC: B22D13/12 ,  B22D41/01

Abstract: The application discloses a system and method for centrifugal intrusion of molten metal into porous media and then solidification positioning, including: test cups, used for placing test medium and molten metal intrusion; a rotor block, used for mounting the test cups, where one end of each test cup for placing the test medium is far away from the rotor block; a constant temperature oil bath preheating device, used for preheating the test cups and the rotor block; a centrifugal device, internally provided with the rotor block, used for performing a centrifugal operation on the test cups, where the test cups and the rotor block are installed inside the centrifugal device after being preheated; and an infrared heating and compression refrigerating device, arranged inside the centrifugal device, used for controlling a temperature of the test cups.

公开(公告)号：US11359490B2

公开(公告)日：2022-06-14

申请号：US16487048

申请日：2018-11-16

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Yingchao Wang ,  Chaoyang Li ,  Shengqi Yang ,  Qinglei Jiao ,  Bo Meng ,  Hongwen Jing ,  Yueming Wang

IPC: E21D9/10 ,  E21D11/15 ,  E21D9/00

Abstract: The present disclosure discloses a multi-functional intelligent tunneling apparatus and method for simulating partial excavation of tunnel. The apparatus comprises an operating platform, a multi-functional rotary tunneling system, a precision power propulsion system, an information acquiring and processing system, a digital display control box and a slurry pumping device, wherein, the multi-functional rotary tunneling system includes a plurality of independent operating channels, and can realize multi-functional simulation of a tunnel construction process, including drilling, slurry injecting, and partial excavation under real-time monitoring; under the control of the digital display control box, the precision power propulsion system can realize the fine control of the multi-functional rotary tunneling system by means of hydraulic monitoring and preset advance distance. The present disclosure can simulate partial excavation steps of tunnel well, ranging from drilling, slurry injecting, different partial excavation methods, supporting and data postprocessing and analyzing of test. The operating and testing method are easy, and with high reliability and high degree of automation and intelligence.