. II .
. 5,4´11,8´2,4 , , , .
- , -17.00. -5 -30(130)63 -30 (130) 64. 2 . , 60 140 150 30 .
.
1. , -600. , .
2. [. (3.20) . 3.32]:
N-600 =V / V =5,4 ´11,8´2,4 / 120=2 -600.
3. - , (2.18) . 3.30:
N = N-600 Q 60t =5,4 ´11,8´2,4 / 120= 432
500 , - 150 . , .
4. . , . (. . 6.2) 4 .
5. (. (2.14)-(2.16), . 3.25 3.30:
Q=N-600 Q + N . Qc. =2´5,64+4´3,224,2 /
Qc. 30 .
6. .
. 4.1 , (Q) 150 30 80 /. , ,
Q = 80 / > Q = 24,2 / N = N
7.
N = N-600 /2+ N. /4 = 2/2 +4/4=2 ( , ).
8. , 51 77 :
)
l = [H - (H + Z + Z)]20/(SQ2) = =[80(60+0+0)]20/(0,015´62)=740 ;
)
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l = [H - (H+ Z + Z)]20/(SQ2)=[80(40+0+2)]23/(0,015´9,62) = 540 .
. 6.2.
, .
9. , (5.12)
N . = N -600 ´2 + N. ´ +N. ´3 +N ´1 +N ´1 +N = =2´2 +2´3 +2´3 +2´1+1+1= 20 .
10. [. (5.14)]
N = N ./5 = 20/5 = 4 .
, (), AT, , .
(). - (). , , ( ), , , , 0,20,3 . . 6.2. - . 6.1.
6.1. - ()
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. 2 /.
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