,
ω.(n.)- ( ) ,
ω..(n..)- ( ) .
.. , n.= n, , , n..= n
,
n , /,
nT , /.
/
u=14 2185-66
4%
, u=4,5, u=3,15.
T
,
,
:
: 35; (4553HRC)
: 35; (269302H)
[σ]= ,
σHlimb , NHO
SH ;
KHL ;
σHlimb1=18RC+150 ;
σHlimb2=2+70 ;
RC=0,5(RCmin+RCmax)=0,5(45+53)=49- ;
=0,5(min+max)=0,5(269+302)=285,5- ;
σHlimb1=18∙49+150=1032;
σHlimb2=2∙285,5+70=641;
SH1= SH2=1,1 .. ;
KHL= ,
NHO- ;
NHE - .
=5 ; n=240; 3 ; n1=223,65 /; n2=71/
,
i - , i- ;
ni, ti ;
1 , .
NHE1=60∙1∙223,65∙3∙240∙5∙ (13∙4+0,63∙3)=224537443,2
NHE2= = =71281728 ,
NHO1=65 ,
NHO2=25 ,
KHL1= KHL2= ,
.. KHL1 KHL2<1 KHL1 = KHL2=1
,
,
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