. ..
, ,
___________________20__ .
.. IV-1
,
ǻ
__________________________________
=295 2
=197 / m=2,01 /*
1 .
1.1 . . 1.2 . 1.3 . 1.3.1 . 1.3.2 .
2
2.1 . 2.2 . 2.3 . 2.4 - . 2.5 - .
3 .
3.1 . 3.2 .
4 .
4.1 . 4.2 . 4.3 .4.4 . . 4.5 . 4.6 .
5
6 .
: Q=2.4 / l=50
α =20 0
6.1 , -.6.2 . 6.3 .
6.4 .
7 .
7.1 , . 7.2 . 7.3 . 7.4 - . 7.5 .
1
2
3 3-
4
5
|
|
1 ______________________________________________________________
2
..
_________________________
...
..
_________________________
...
_________________________
..
_________________________
...
_________________________
...
_________________________
...
_________________________
...
. ..
, ,
___________________20__ .
˸ .. IV-1
,
__________________________________
=340 2
=395 / m=4,7/*
1 .
1.1 . . 1.2 . 1.3 . 1.3.1 . 1.3.2 .
2
2.1 . 2.2 . 2.3 . 2.4 - . 2.5 - .
3 .
3.1 . 3.2 .
4 .
4.1 . 4.2 . 4.3 .4.4 . . 4.5 . 4.6 .
5
6 .
: Q=803/ =45 l=850
d=12,5 2, 2, 3 ŋ=0,8 , , S=160 l=45
6.1 , -.6.2 . 6.3 . 6.4 .
7 .
7.1 , . 7.2 . 7.3 . 7.4 - . 7.5 .
|
|
1
2
3 3-
4
5
1 ______________________________________________________________
2
..
_________________________
...
..
_________________________
...
_________________________
..
_________________________
...
_________________________
...
_________________________
...
_________________________
...