) . [24] -1, II (.7)
7
, | , N | ||||
: B-I - II , B-Ia, B-I, B-IIa | ≥10 | N≤1 | I II | ||
, -1 | - | N> 1 | II | ||
I 11 -1 -II -IIa | ≥20 | 0.1-2 N>2 | III | ||
III, IV V | ≥20 | N>1 | III | ||
-III | ≥20 | 0,1<N<2 N>2 | III III | ||
, , 15 | ≥10 | III |
I II , . , II , .
III . , III , .
) :
N= ((S+6h) (L+6h) - 7,7h 2)n10-6, (1)
n 1 2 ( )
) . 7
) , :
(2)
) ,
(3)
.1
: [17, 24].
3
h . , : L , ; S , ; h , . .
8
3
L, | ||||||
S, | ||||||
hx, | 2.5 | 2.0 | 3.0 | 3.5 | 4.0 | 3.0 |
|
|