6.1
| D, | ||
| , | ||
| , | ||
| , | ||
| , |
6
6.1
a = 46 , b = 46 , c = 56
:
-
- 
-
Σ Μ Α = 0; -RBY (a +b) + Ft 1 a = 0;
MDX = RAX a = 186,1 46 = 8,56 H;
MDX = RX b = 629.21 46 = 28,94 ͷ;
MDY = RAY a = 1052.48 46 = 48,41 H.
45 ''''. σ = 880 a.
: d A = d B = d C = d = 20 ;
d D = 24 .
6.2
a = 42 , b = 47 , c = 58 .
Ft 2 = Ft 1 = 2104.95 H;
Fr 2 = Fr 1 = 815.31 H;
FX 2 = FX1 = 766.14 H;
F = 2426.5 H.
MAX = - F a = -2426.5 56 = - 135.88 ͷ;
MCX = - F (a+ b) + RAX b = -2426.5 (56 +47) +2813.8947 = -117.68 ͷ;
MCX = - RBX c = -1202.7 47 = - 56.53 H.
Σ ΜBΥ = 0; RAY (b+c) - Ft2 b = 0;
ΜΥ = - RY b= - 1052.48 47= -49.47 ͷ.
45, '' ''.
s = 880 .
, , , :
dB = d = d = 35 ;
d = 28 ;
dD = 40 .
7
FX1 = 766.14 ;
d = 20 ;
n I = 1460 /;
Lh = 11680 .
α=26 46204 ( 831-75).
= 14,8 ; = 0,68; X = 0,41; Y = 0,87.
- , :
SA=e RA=0,68 1068,81=726,79 ;
SB=e RB=0,68 1226,22=833,83 .
:
FX1 + SA > SB -
FA = SA = 726,79 ;
F = FX1 + SA = 766,14 + 726,79 = 1492,93 .
:
PA = (V∙XA∙RA+YA∙FaA) ∙ K· Κt =(111068,81 + 0726,79) ∙1,31,05=1458,93 ,
V - ;
X,Y - Fa R ;
K - ;
Κ t - , ;
P=(V∙X∙R+Y∙Fa)∙K·Κt=(10,411226,22+0,871492,93)∙1,31,05=
|
|
|
=2459,18 ,
- .
- , .
7604 37.006.162-89
=31,5 ; e=0.35; X=0.41; Y=1.7.
, :
SA=0,83e RA=0,830,35 1068,81=310,49 ;
SB=0,83e RB=0,830,35 1226,22=356,22 .
:
FA = SA = 310,49 ;
F = FX1 + SA = 766,14 + 310,49 = 1076,63 .
:
PA = (111068,81 + 0310,49) ∙1,31,05=1458,93 ,
P =(10,41226,22+1,71076,63)∙1,31,05=3167,84 ,
- .
FX2 = 766.14 ;
d = 35 ;
n I = 487 /;
Lh = 11680 .
α=26 46207 ( 831-75).
= 29 ; = 0,68; X = 0,41; Y = 0,87.
- , :
SA=e RA=0,68 3004.28=2042.91 ;
SB=e RB=0,68 1598.19=1086.77 .
:
FX1 + SB < SA -
FA = SA = 2042.91 ;
F = SA -FX2= 2042.91 - 766,14 = 1276.77 .
:
PA = (113004.28 + 02042.91) ∙1,31,05=4100.8 ,
P =(10,411598.19+0,871276.77)∙1,31,05=2410.7 ,
A
- .
- , .
2007107 37.006.162-89
=32 ; e=0.35; X=0.34; Y=1.8.
, :
SA=0,83e RA=0,830,35 3004.28=872.74 ;
SB=0,83e RB=0,830,35 1598.19=464.27 .
:
FA = SA = 872.74 ;
F = SA-FX2 = 872.74 - 766.14= 106.6 .
:
PA = (113004.28 + 0872.74) ∙1,31,05=4100.84 ,
P =(111598.19+0106.6)∙1,31,05=1580.93 ,
A
- .
8
I ( ):
8×7×25 23360-78
- d=24 ;
- h=7 ;
- b=8 ;
- t1=4
- l=25
- lp=l-b=25-8=17 ;
σ,[ σ]II - .
τ,[ τ]ΙΙ - .
I ( ):
5×5×42 23360-78
- d=16 ;
- h=5 ;
- b=5 ;
- t1=3
- l=42
|
|
|
- lp=l-b=42-5=37 ;
II ( ):
12×8×40 23360-78
- d=40 ;
- h=8 ;
- b=12 ;
- t1=5
- l=40
- 
lp=l-b=40-12=28 ;
II ( ):
8×7×48 23360-78
- d=28 ;
- h=7 ;
- b=8 ;
- t1=4 ;
- l=48 ;
- 
lp=l-b=48-8=40 ;
.
9
I
:
) III ;
) II , .
σ-1 - , ;
σ - , ;
Κ σ- ;
ε σ- ;
MDΣ - , ͷ;
W - , 3 ;
1- .
Κ σ = 2,00; Κ τ = 1,90; ε σ = 0,90; ε τ = 0,75.
2 - 
D
ψ τ =0.05 -
τ - , ;
Wr - , 3 . 
D
D .
B
1- L0 / k6.
B .
, I .
C
1- .
Κ σ = 2,00; Κ τ = 1,90; ε σ = 0,85;
ε τ = 0,73.
2 -
C
C .
D
1- .
Κ σ = 2,00; Κ τ = 1,90; ε σ = 0,89;
ε τ = 0,78.
2 -
D .
1- L0 / k6.
Wρ = 0,2 d 3 = 0,2 ·35 3 = 8575 3;
W = 0,1 d 3 = 0,1 ·35 3 = 4287,5 3.
A .
10
2
| max | min | max | min | |||||||
| - | 52 H7-h11 | +30 | -190 | - | - | |||||
| - | 52 H7-l0 | +30 | -13 | - | - | |||||
| - | 20 F8-k6 | +53 | +20 | +15 | +2 | - | - | |||
| - | 20 L0-k6 | -10 | +15 | +2 | - | - | ||||
| - | 24 H7-k6 | +21 | +15 | +2 | ||||||
| - | 52 H7-h8 | +30 | -46 | - | - | |||||
| - | 8N9-h9 | -36 | -36 | |||||||
| - | 8Js9-h9 | +18 | -18 | -36 | ||||||
| - | 62 H7-h11 | +30 | -190 | - | - | |||||
| - | 62 H7-l0 | +30 | -13 | - | - | |||||
| - | 35 F8-k6 | +64 | +25 | +18 | +2 | - | - | |||
| - | 35 L0-k6 | -12 | +18 | +2 | - | - | ||||
| - | 40 H7-k6 | +25 | +18 | +2 | ||||||
| - | 62 H7-h8 | +30 | -46 | -76 | - | - | ||||
| - | 12 N9-h9 | -43 | -43 | |||||||
| - | 12 Js9-h9 | +21 | -21 | -43 | ||||||
|
|
|
1. .., .. , 1996. 30.
2. : ./. . . , . . . - : , 1998. -29 .
3. : ./. . . , . . , . . . - : , 1995. -30 .
4. . : . . ./ . ., . . - .: ., 1984. -336 .
5. : -./ . . , . . . - .: , 1992. -608 .
6. : ./ . .., .. - : , 2000. -21 .
7. : ./ . . . - .: , 1979. -367 .
8. : ./. . . , . . , . . . - : , 1990. -30 .
9. . : ./ .. , ... . : , 2005.-309 .
10. : . 2. / . . , . . , . . . - : , 1982. - 334 .
