: l1=70, l3=130, l4=123, d2=300, d3=125,
Y Z:
Σ= -F2·150-Fa3·62,5+Fr3·70-Fr3 (70+130)+E4(2000+123)=0
E4 = F2·150+Fa3·62,5-Fr3·70+Fr3 200/323
E4 = (1216·150+3949·62,5-1717·70+7925·200)/(323)=5863,9
Σ= D4323-F2·150-Fa3·62,5+Fr3·123-Fr3 (123+130)=0
D4= (F2·150+Fa3·62,5-Fr3·123+Fr3 253)/ 323
D4=(1216150+3949·62,5+11717·253-7925·123)/(323)=-344
: ΣF= D4+Fr2-Fr3 +E4=0
344+1717-7925+5863,9=0
X-Z:
Σ=-Ft2·70-Ft3·(130+70)-·323
=(Ft2·70+Ft3·200)/323
=(4557·70+15043·200)/(232)=10302
Σ=Ft3· 123+Ft2·(30+123)-Dx·323
Dx = (- Ft2·253- Ft3·123)/ 323
Dx = (-4557·253-15043·123)/ (323)=-9297,9
: ΣF= Dx-Ft2-Ft3+ =0
9297,9-4557-15043+10307=0.
:
H
H
·
·
α=0,58
40
σ-1=490, e0=0,68, m=1,5, s=1[1, .12.13],
/2
/2
/2
>1,5
18 , σ=873, σ-1=441, τ-1=226 [1, .12.13].
=1411103 ͷ, =1796, : b=32 , t1=11 , h=18 .
:
3
σ ,
β ,
εσ ,
σ=2,15 [1, .12.5], β=1,8 [1, .12.9], εσ=0,62 [1, .12.3]
3
ψ , τ=2,05, β=1,8, ετ=0,7, ψτ=0,08 [1, .14.6]
>[S]=3
:Fr=7925 , n=146 -1, , . :
V=1, t=1,3 [1, . 14.18], et=1 [1, . 14.19], x=0,35 [1, . 14.14], y=0,57
;
V ;
t
|
|
P=χ×V×Ft ×Rs× kT=0,35×1×7925×1,3×1=3606
C=P(60nLh/106)1/P= 3606(60146Lh/106)=174000
:
(60nLh/106)1/3=/=174000/3606=48,3
Lg Lh=5,05+((6-3,94/3))=5,73
Lh=54422924
d=30 b´h´l= 8´7´40 [1, . 5.1]
:
/2
[s]=150 /2
d=56 b´h´l= 16´10´50 [1, . 5.1] =661 , t1=7 .
:
/2
d=75 b´h´l= 20´12´90 [1, . 5.1] =1796 , t1=8 .
:
/2
. , . , , , . , . ȖFA68, , .. , . , . . 2 , , 0,10,3 , 12 . 1033-79.