Feng, Xiaowei; Zhang, Nong; Gong, Lianyuan; Xue, Fei; … - In: Energies 8 (2015) 5, pp. 3628-3639
decades, and the most serious effect is surface subsidence induced by underground mining. Underground coal excavation in China … successfully implemented in some collieries, and the gob area can be backfilled immediately to prevent surface subsidence. To …