State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology Xuzhou 221116 ChinaSchool of Mines China University of Mining and Technology Xuzhou 221116 China;
State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology Xuzhou 221116 ChinaSchool of Mines China University of Mining and Technology Xuzhou 221116 China;
State Key Laboratory of Coal Resources and Safe Mining China University of Mining and Technology Xuzhou 221116 ChinaSchool of Mines China University of Mining and Technology Xuzhou 221116 China;
Mining with backfill; Longwall mining; Surface subsidence control; Suberitical panel width; Separatedpillar;