YN1,2=1
3.3 .
β. β=00.
;
:
(3.8)
d - ,
d=770-
U=4
, .. Nc11>
1 - ,
Nc12>
2,3799 >
1= ,
1=
:
= = (3.9)
= =46,2
1=2+(510) (3.10)
1=
:
(3.11)
1F= 1=28,682,
m=11460
Fβ=1,08 - , .
=> m 2,5, m=2,5
:
=17 (3.12)
≥ =17 - .
18,48
.. U=4, Z1=20
Z2=80
:
(3.13)
=125
aw=125
(3.14)
β=arcsin(sinβ cos20) (3.15)
β=arcsin(sin0 cos20)=00
αt=arctg (3.16)
αt=arctg αtw=200
X∑=X1+X2= (3.17)
invαtw=tgαtw - αtw =0,364 0,349=0,015
invαt=tgαt - αt =0,364 0,349=0,015
X∑=X1+X2= 0,015-0,015=0
X1=
X2= -X1= 0,176,
: X1≈ - 0,17, X2≈ 0,17. X1= X2= 0,176.
dW1=
dW2=
.. ,
= = = 50
1=40+8=48
:
= = (3.18)
∆=∑- = 0
d1= , d1=
d2= , d2=
: da1=d1 + 2(1+X1- m=50+2(1-0,176-0)2,5=54,12 ≈ 55
: da2=d2 + 2(1+X2- m=200+2(1+0,176-0)2,5=205,88 ≈ 205
: df1=d1 - 2 m=50-2(1,25+0,176)2,5=42,87 ≈ 44
: df2=d2 - 2 m =200-2(1,25-0,176)2,5=194,63 ≈ 195
.3. .
:
d1=d1cosαt=50cosαt=50cos20=46,985
d2=d2cosαt=200 cosαt=200s20=187,939
(3.19)
εγ=εα+εβ
εγ= 1,722+0=1,722
:
Zυ1= Zυ2=
|
|
Zυ1=
Zυ2=
V= /
3.4 .
:
Z- , .
Z=190
Z- ,
Z= (3.22)
Z=
Zε- ,
Zε= = =0,87
Ft , :
Ft=
Kv- , , :
Kv=1+ (3.23)
- , /
=δ g0 V (3.24)
-
δ=0,06; g0=4,7; =240
=0,06 0,7405
Kv=1+ =1,0406
Kβ- ,
Kβ=1+
- , .
=1+
=0,14
=1+0,14
w- ,
w=1- =1- 0,47 (3.27)
Kβ=1+
Kα- , .
Kα=1
.
(3.28)
1 max- ,
v max , , 1 max:
v max=1+ (3.29)
v max=1+ =1,027
σ max- , .
σ max=2,8σ = 2,8 =1486,94
.
σF1(2)=
FtF- ,
FtF= FtF=
FV- , ,
KFv=1+ (3.31)
- , /
=δF g0 V (3.32)
-
δF=0,16; g0=4,7; =240
=0,16 0,7405
KFv=1+
Fβ- ,
Fβ= (3.33)
NF= h=
NF= =0,927
Fβ= =1,0822
Fα - , .
KFα=1
YFs - - , .
YFs1(2)= 3,47+ +0,092 (3.34)
YFs1=3,47+ +0,092 = 4,39
YFs2= 3,47+ +0,092 3,57
Yβ - - ,
Yβ = 1- εβ (3.35)
Yβ = 1- 0
Yε - - , .
Yε= 1
σF1=
σF2=
.
σFmax1(2)=σF1(2) (3.36)
σF1=
σF2=
FtF=
FtFmax= =1720,92
σFmax1=
σFmax2=
3.5 .
Ft1= Ft2 = = =1147,28
Fr1= Fr2 = Ft1
Fx1= Fx2 = Ft1
4. .
|
|
4.1 .
, , 0. , .
F= 125
F=125 =226,024
, , . , (3,4).
3=4 = Fx , .. F3=F4
M3=4 = 203,009 = 3552,67
=0
=143,448
0
=143,448
Rz2 +203,009 203,009 =0 Rz2 = 0.
-
-143,448+143,448+143,448-143,448=0
, .
0
=337,828
0
=337,828
337,828-337,828-337,828+337,828=0
Fk.
0
=76,518
0
=302,542