Coal fires have a very long history in China; the oldest coal fires have being burning for many million years. Up to now more than 56 coal fires spots were dist
Coalfield fire is prevalent in the world, especially in China, but the main reason of the fire in the coalfield is not clarity. So it's difficult to fight t
According to the movement and change rules of mechanical structure of surround-ing rock-coal mass system during coal excavation, the mechanism of sudden instabi