公开(公告)号：US20240020442A1

公开(公告)日：2024-01-18

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

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：US20220010680A1

公开(公告)日：2022-01-13

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: E21D9/00 ,  E21D9/10 ,  E21D11/15

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.