, N, :
,
φ - , .19* II-23-81*
N, :
.
:
;
.
255 :
Ry = 240, Rs = 139,2, Run = 380.
.6.15* .19* II-23-81* . (φ = 0,686) :
2.
:
2.
I40 :
h = 392, b = 165, tw = 7,
tf = 12,2, = 61,252, g = 48,1/,
Ix = 157504, ix = 16,03, Iy = 714,94, iy = 3,42.
(φ = 0,7018).
:
,
5%.
, .
.5.6 .7 II-23-81* :
.
, .
.
.
, .
, (100):
;
4;
4;
.
= 40.
:
:
.
400 :
;
.
l = 140.
.5.8* II-23-81* Qfic,
.
Qfic , , , :
.
.5.9 II-23-81* :
;
/.
:
2;
3;
;
;
.
,
, .
,
kf:
,
. .55* II-23-81* -348- -08.
.3.4 .56 .11.1* .
|
|
.3.4 .3 II-23-81* .
.12.8 .38* II-23-81* , .
.
.11.2* .34* II-23-81* , .
.11.2* II-23-81* , .
;
.
.
.