622.831.312
.. , ..
ڨ -
- .
- .
The results of researching the roof fall mechanism around a moving longwall applying three-dimensional computer model of the stratified transversely isotropic rock mass are presented in the article. Parameters and results of the three-dimensional simulation of the rock mass are valid for Western Donbas conditions.
. . , , , , , . , .
. . , , . , . , , , , .
- .
. SolidWorks 2009 8 "-" "". - . 1.
|
|
1
, | |
-80 | |
, | 0 - 2 |
, | 0,95 - 1,05 |
-13,2 | |
8 | |
, |
- [1]. , .
- 8- -. 10 . , , , . .
, ( ) 13,2 2, "-" . 100 , 200 1 .
, . -80. 2,5 1,5×190 . 2,5 , 3,0 .
235 10 . . - , .
-. [2]
σ1, σ3 , σ1>σ2>σ3; σ║ ; k1 , , k1 = 0,6; ; k2 , , k2 = 0,8.
|
|
. 25 , (. 1).
35 - 45 8 , , 3 - 4- , (. 2).
. 1.
25
;
. 2.
35 - 45
;
55 . 55 - 65 , , , , , , .. , , (. 3).
65 - 75 40 . , .. , (. 4).
. 3. 55 - 65
;
. 4. 65 - 75
;
75 , 50 . 95 20- , 8 . 3- , .. . 95 - 105 8- . . 63 - 65 , , .. (. 5).
105 - 115 40 (. 6).
. 5. 95 - 105
;
. 6. 105 - 115
;
115 - 125 (. 7) (23 - 25 ) , ( ).
|
|
. 7. 105 - 115
;
, , , 75 , 8- 15 - 20 , 40 . 40 40 - 50 ; (63 - 65 ) 50 - 60 . , 28 , 10 - 14 . .
. , . - , 75 , .
45 - 55 . , , 90 - 100 . 63 - 65 . 63 - 65 . .
1. .. / .. // : . . . / . , 2009. . 37 - 41.
2. .. / .. . .: , 1972. 544 .
... ..
25.01.10