, :
, :
.
.
5.
: TH3= 356,3 H×, n3=135,9 -1, u=2,8,
, :
:
NHE3= NHE2=5,63·107
NNE 4=NNE 3/u3=5,63·107/2,8=2,01·107
HL=1 FL=1 :
[σH]3=[σH]1=463, [σ]4=[σ]2=427,27
NF3= NF2=3,6·107
NFE 4=NFE 3/u3=3,6·107/2,8=1,3·107
[σF]3=[σF]2=240, [σF]4=[σF]2=230
:
ybd=1,5
:
bw = yb a × d¢3= 1.5·70,16=105
bw=105
z¢3 =18
m¢=d¢3/ z¢3=3,89
m=4 [2, . 7]
b 
=arcsinp m eb/ bw = arcsin 30,1442,1/105=14,53
10£b£24
mt=m/cosb= 4/cos14,53=4,1322
z¢¢3=d¢3/mt=70/4.1322=16,98=17
z3=17
z4= z3u3=172,8=47,6
z4=48
u3=z4/z3=48/17=2,828
zv1=z1/cos3(b)=17/cos3(14,53)=34,65
zv2=z2/cos3(b)=48/cos3(14,53)=52,92
V = p×m t×z3×n3/(60×103) =3,14·4,1322·17·135,9/(60·103) =0,4996=0,5 /;
[1, . 9.10] n'=8.
, :
-
d3=mt×z3=4,13·17=70,25;
d a 3=d3+ 1,8m=70,25+4·1,8=77,45;
df3=d32,1m=70,25-8,4=61,85;
b3=b4+(0,41,5)m=105+(0,41,5)4=110
d4=mt×z2= 4,13·48=198,35;
d a 4=d4+1,8m=198,35+4·1,8=205,55;
df4=d42,1m=198,5-8,4=189,95;
b¢4 = yb a × a W= 0,315·500=157,5
b4=bw=105 [1, . 12.1,];
w=0,5×(d3+ d4)=0,5×(70,25+198,35)=134,30
,:
Ft3=2×103×TH3/d3=2×103×356,3/70,25=10400;
Fr3=Ft3×tgan/cosb=10400×tg27/cos14,53=5474,23;
F a3 =Ft3×tgb=10400×tg14,53=2695,43,
an = 27 - .
= 
[1, . 9.5 5] kHb=1,14, kHV=1, kb=0,15
m
|
|
|
,
YF- , ,
KFb- , ;
KFn- ;
Kp=3,6- ,
YF3=2,1, KFb=1,33 [1, . 9.5, 5], KFn=1, KFm=1,05 m=5
.
, :
, :
.
.
:
:
[1, . 12.1]
[1, .14.8,] - 46308:
, 
, 
, 
, 
,;
.
.
:
,
[1, .12.1].
:
[1, .14.8,] - 46310: 
, 
, 
, 
,,;
.
·
70 [1, .,.2]:
, 
, 
:
d12= d11=65
[1, .12.1]
d13=70,
: 
, 
, 
, 
.
:
=19,1720,6
12, 14, 16, 18, 20, 22, 24, 27;
, ,
=
;
=
;
1=2,5d2+d=2,5300+8=758
=8+2,5·14=43
;
