[1]School of Mines, China University of Mining & Technology, Xuzhou 221116, China;
[2]Key Laboratory of Deep Coal Resource Mining, Ministry of Education of China, China University of Mining & Technology, Xuzhou 221116, China;
[3]State Key Laboratory for Ceomechanics & Deep Underground Engineering, China University of Mining & Technology, Xuzhou 221008, China;
混凝土柱; 施工方案; 大断面; 采后; 煤柱稳定性; 应用; 综采工作面; 施工技术;