. . . . , .
[1] (. 1.12.).
, , (F) , .
. h . b . 10-15 .
1.12
, | , mm | |||
3-5 | 5-8 | 8-12 | 12-20 | |
3-5 | ||||
5-25 | - | 2-3 | 2-3 | |
25-50 | - | 2-3 | 2-3 | |
50-100 | - | 5-7 | 5-6 | 3-4 |
100-200 | - | 7-9 | 7-8 | 4-6 |
200 - 400 | - | 8-9 | 7-8 | 6-7 |
400 - 700 | - | 9-10 | 8-9 | 6-7 |
. .
.1.13.
d =(l,l...l,5) d.
(. 6) (. 7), . . 1, 2, 3, 4 18, 23, 27 30 2 [2].
1.13
F., 2 | a | b | h | |
1,0 | 11/- | 8/- | 11/- | |
1,3 | 12/11 | 10/8 | 12/14 | |
1,6 | 14/12 | 10/9 | 14/15 | |
2,0 | 15/15 | 12/10 | 15/17 | |
2.5 | 16/15 | 13/11 | 16/19 | |
3,2 | 18/16 | 14/12 | 18/21 | |
4,0 | 22/18 | 18/13 | 22/25 | |
6,3 | 26/24 | 20/18 | 26/30 | |
10,0 | 34/30 | 28/22 | 33/38 |
. h=a, h = 1,25.
. 6. . 7.
, .
. - .