, , . , - | |
I II . , , . , . . , . | , , , , , , , . |
1.1. | |
- | |
, , , . , , . (, ..) | , , , . |
, , , , , , , . . . | , , , , , . . . |
- . .
. ( ) :
............................... 0.05
.......................... 0.06 0.5
............................ 0.5 2
.......................... 2 10
............................ 11 60
............................ 60 160
............................ 160
a1, a2, a3.
(1.1)
.
, (1.2)
N , , f , (j - , ), C , , F , .
|
|
j r1, (j = r1). j=0.7r2, r2 -- .
. fc = 0.75 tg j, f =0.81 tg j, f = 0.85 tg j, f =tg j. f =0.7 fc, f = 0.7 f , f =0.7 f , f = 0.7 f .
. 1.2.
1.2
, /3 | , | , | , | ||
r | f | r1 | r2 | fc | |
................................. .............................................. .............. ......................................... ........... : ............................. .................. ............................... ....................................... ................................................... | 1.4-1.9 1.5-1.7 1.6-2.0 1.3-1.6 1.0-1.4 1.0-1.2 1.0-1.2 0.9-1.9 1.2-1.5 0.1-0.5 | 0.6-0.9 0.5-1.0 0.8-1.0 0.8-1.0 0.5-0.8 0.6-1.2 0.6-0.8 0.5-0.9 0.6-0.9 0.3-0.5 | 19-45 | 16-36 | 0.8 0.8 0.65 0.65 0.75 1.15 0.85 0.65 1.0. 0.19-0.63 |
(/3 , /3 ). - ( =1.1 1.4).
.
! . Ü / /