Research progress on physical reconstruction of coal-rock mass and roadway model test based on sand-powder 3D printing
1State Key Laboratory of Disaster Prevention and Ecology Protection in Open-pit Coal Mines, Shandong University of Science and Technology, Qingdao 266590, China
2College of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao 266590, China
3State Key Laboratory of Intelligent Deep Metal Mining and Equipment, Northeastern University, Shenyang 110819, China
4Faculty of Advanced Science and Technology, Kumamoto University, Kumamoto 860-8555, Japan
5Wuhan Easymade Technology Co., Ltd., Wuhan 430074, China
6School of Mines, China University of Mining and Technology, Xuzhou 221116, China
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