China University of Mining and Technology

Jiangsu Sobute New Materials Co., Ltd.

Jiangsu Research Institute of Building Science Co. Ltd

Jiangsu University of Science and Technology

Hunan Xiangyi Laboratory Instrument Development Co., Ltd.

Yunlong Lake Laboratory of Deep Earth Science and Engineering

Jinneng Holding Coal Industry Group Shuozhou Coal and Electricity Co., Ltd.

Bo Meng

Hongwen Jing

Qian Yin

Jiangyu Wu

Hao Zhang

Dan Ma

Wen Xu

Qingbin Meng

Gaofang Zhu

Qiang Zhang

Hai Pu

Shengqi Yang

Guozeng Feng

Zhanguo Ma

Shuo Yang

Zhenhua Li

Tianci Deng

Yanjun Qi

Guozhi Bao

Bangguo Jia

Xinxin Gu

Chaoyang Li

Chen Gu

Tong Xu

Jinpeng Dai

Yurong Wu

Xiaozhao Li

Zheng Jiang

Jiyu Wang

Weiqiang Chen

Jihuai Wen

Fangtao Hu

Yueming Wang

Yingchao Wang

Qinglei Jiao

Zengjie Tian

Dajiang Liu

A sealing structure of an underground high-pressure gas storage and a construction method thereof are provided. The sealing structure includes an annular lining structure, wherein the annular lining structure is surrounded by a plurality of concrete segments; closed steel sheets; the closed steel sheets are arranged at an inner side of the annular lining structure and used for connecting two adjacent concrete segments and plugging a gap between two adjacent concrete segments; and a sealing layer, wherein the sealing layer is arranged close to the inner side of the annular lining structure and forms a coating with the annular lining structure on the closed steel sheets.

Sealing structure of underground high-pressure gas storage and construction method thereof

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.

System and method for centrifugal intrusion of molten metal into porous media and then solidification positioning

Disclosed is a control method of a damper of a variable-air-volume air distributor and a control system thereof, mainly comprising a volume adjusting valve for the variable-air-volume air distributor, a valve actuator, a BP neural network-based main controller, a data collector and a user operation panel. The control method thereof is to use, mainly based on the collected room temperature and static pressure at the inlet of the air distributor, the BP neural network predictive model to establish a nonlinear model of temperature & static pressure and valve opening, perform training and optimization, and optimize the output valve opening to obtain and label an optimal value as the set value of the controller to control the action of the valve actuator, thereby realizing an automatic variable air volume.

Control system of damper of variable-air-volume air distributor and control method thereof

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.

Cemented filling material with bionic structure and preparation method and application thereof

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.

Method and system for simulating contact and interaction between support member and chamber surrounding rock mass

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.

Multi-functional intelligent tunneling apparatus and method for simulating partial excavation of tunnel

Growing community of inventors

Xuzhou, China

Bo Meng