Projects PLN0610 supported by the Open Fund of State Key Lab of Oil and Gas Reservoir Geology and Exploitation (Southwest Petroleum University);HKLGF200706 by the Opening Project of Henan Key Laboratory of Coal Mine Methane and Fire Prevention;50334060, 50474025 and 50774106 by the National Natural Science Foundation of China;2005CB221502 by the National Basic Research Program of China;50621403 by the Natural Science Innova-tion Group Foundation of China;CSTC, 2006BB7147, 2006AA7002 by the Natural Science Foundation of Chongqing
The developing processes of stress and deformation fields of a protected layer after mining an upper-protective layer with a bow pseudo-incline technique were simulated to locate the protection region. The pressure re...