掘进煤巷应力仿真和延时煤与瓦斯突出机理研究.pdf

““ “ 4 / 4 / 7 3 / 7 A 345 B “ ““ *,7B “ D F“ qCŁFG 6H IJKLM PQŒ]_9‘‹ab; -./011233 “r5 iƒNL]‘/0 “ ;’ ; KD B -;L P 7 8 7 0 . 3 / 9 . 7 8 8 4 I - 0 9 4 /0 / J; 7 3 0 / 4 8 I 1 K 7 0 4 / 2 0 0 / JR 0 8M - 9 Z - . 8 9 4 /2 0 K . 4 6 4 / T 5MV 4 / F . / V Q L’ 4 / F / 4 / , Q La 3 7 / F Y 3 7 / 3 1; 4 / 4 / 0 / J 0 1 7 9 W / 4 / 7 7 . 4 / 2 3 4 / 05 / 4 6 7 . 8 4 9 1; 4 / 4 / 7 3 / V - Y 3 -, 4 0 / 3 7’I d“ I2 Z/“;] 0 , , 3 I 3‘B E B ;u cUfgƒokl P \ ] L KV“ 1 ˚zWklQXSb˚fwklQc U fgƒo;cklog J 7 1 8 9 . 7 8 8/ - I 7 . 4 0 8 4 I - 0 9 4 / 4 /J . 4 6 4 / 1 0 7 _“‘aH]tc‘ ’ * ] 0 W;] 0 R [/ } ‡/W ;] 0 a B B“P \ ] LV JNbaVzWk \ 4 cy5z ’ ;. 1A; A ; . 1A; A .;. 1A; AA A;. 1A; AA BJ1 J ; 3 gao ’ ;. ;.2 A 4 ; 6 . B 6 ; 6 . ;.2 ‘2 ;.2 AA B ;. ’ ; 6 3C t 3 “ 1G9EW“ _‹/Wb*Fbcı}‰ J„” UklOcvuk YX“ 6 J 6A5 Y.’.6J6A5.Y.’ Y q V‘ 3W–abM4fi c ‹“ “ NbG ‹* *** 4 / 4 / 7 3 / ’B B’ “ “ F * B ,***st ’ ’ “ ˝ “D“ 万方数据