Based on the mining case of Dafosi Coal Mine in Shaanxi Province, which is a typical coal mine with extra-thick coal seam, the effects of mining width, buried depth and rock grade on the ground surface deformation and sur-rounding rock stress have been studied by numerical experiments. It is found that both of the ground surface settlement (SS) and Horizontal Displacement (HD) increased with th…
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2
LOKASI: Ruang Koleksi Umum Rak 2