Zobrazeno 1 - 1
of 1
pro vyhledávání: '"Kang-wu Feng"'
Publikováno v:
Journal of Coal Science and Engineering (China). 19:46-50
In order to understand the effect of mining height and floor lithology at the upper protective layer face on the pressure relief of protected coal seams, this paper uses a numerical simulation method to model the pressure changes at protected coal se