calculul aeraj mina chsinau).doc
TRANSCRIPT
1
:
S.A. Mina din Chiinu
. . _____________
____ ___________ 2014 .
2015 .
.
, .
-.
1,2 -70, 850 3/, -25 250 3/.
:
-5, -5, -6 . , , .
1.
.
.
.
, :
.
, .
2.
: 6 3/.;
-
3. , :
,
: 1 .. = 6,5 3/.; Na / Na = 75 ..; tp / tp= 2,5 .; Vnp :Vnp = S L = 19,5 40 = 780 3
/
/ 60-80 , .
4.
,
: K , K= 1,2d
d = H V 106H H= 0,023 . = 0,39 .V V = 0,02/
= 1800 /3 = 0,0002n n = 30 /3no no = 0,3 /3d = 0,023 0,39 0,02 1800 0,0002 106 = 64,6 /
5. P
,
: = 3,4
I I = 0,0015 3/Cd Cd = 0,5%Co Co = 0,05%
6.
,
: , , = 3,7; , =20,9%;
162,5 3/. .
: f , f = 0,8; , 162,5 3/.
.
,
:Vmin. , Vmin.=0,15 3/;S , S = 30 2f , , f = 0,8;
. .
.
:
,
: ,
= 1,1;Q
, Q=162,5 3/;
:
: RBP
d = 500, RBP= 14 .
-5, -5, -5. :
: = 1,1;n ,
,n= 5; ,
= 1,1;
n ,
n= 3;N ,N= 49;Q Q= 0,15 3/n n= 1;
.
-50 .
: ,
= 10000 3 N N= 265 ;
V V= 3 3
:
: L , L= 2700 ; V ,V= 20 /; t ,t= 5 .
6000
1 -50 0,5 . :
1. : , ;
2. -75: , ;
3. : , ;
4. -40:, ;
5. -16: , ;6. 105: , ;7. -52: , ;
, (3/): 1 / , 5 3/.; 1 / , 63/.
3/. - .
- .
.
: ;.
9N9 = 1, = 0,1; 9 = 130 /; = 10,5 3/.
10 -40 N10 = 1 ., 0,1; 10 = 40 /, = 6,5 3/
, :
8 10 9Q = (N8 8 + N10 10) + (N9 9)= 6,5 (1 0,1 250 + 1 0,1 40) + 10,5 ( 1 0,1 130) = 325 3/. :
,
-5.
:.
.... .
.
_1483250545.unknown
_1483250553.unknown
_1483250557.unknown
_1483250561.unknown
_1483250563.unknown
_1483251812.unknown
_1483252140.unknown
_1483250564.unknown
_1483250562.unknown
_1483250559.unknown
_1483250560.unknown
_1483250558.unknown
_1483250555.unknown
_1483250556.unknown
_1483250554.unknown
_1483250549.unknown
_1483250551.unknown
_1483250552.unknown
_1483250550.unknown
_1483250547.unknown
_1483250548.unknown
_1483250546.unknown
_1483250540.unknown
_1483250543.unknown
_1483250544.unknown
_1483250542.unknown
_1483250538.unknown
_1483250539.unknown
_1483250537.unknown