4
1 6
2 23
3
24
4 ,
29
5 35
6 32
36
41
50
51
50
, , .
, , , . : , .
.
. , .
. , , . .
, , , .
, , , .
, , . . . . , , . .
|
|
, :
1 Ø14 15 164.
2 164.
3 145 Ø12 164.
4 145 Ø14 164.
5 Ø4 164.
6 12 164.
, :
1 Ø14 15 164.
2 164.
3 145 Ø12 164.
4 145 Ø14 164.
5 Ø4 2135.
6 12 164.
1
[3, 101]:
=+++,
(.); (.);
=.+.++,
. (.); . (.); (.); (.); ();
=+,
(.); (.).
,
t (.); (.). (.);
,
(.).
1
[3, 146] =0,17×d×l×10-3, l ;
=0.17×14×15×10-3=0,036 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
0,04 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,04+0,12=0,23 .
:
=0,036+0,23=0,266 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
1=0,036 +0,23+0,00314+0,00252=0,27 .
|
|
[3, 146] =0,17×d×l×10-3, l ;
=0.17×14×8×10-3=0,02 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
0,04 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,04+0,12=0,23 .
:
=0,02+0,23=0,25 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
2=0,02 +0,23+0,00276+0,0014=0,25 .
[3, 146] =0,1×d×l×10-3, l ;
=0,1×12×1×10-3=0,0012 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
1 0,016 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,016+0,12=0,206 .
:
=0,0012+0,206=0,2072 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
3=0,0012 +0,206+0,002088+0,000084=0,21 .
[3, 146] =0,1×d×l×10-3, l ;
=0,1×14×1×10-3=0,0014.
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
1 0,016 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,016+0,12=0,206 .
:
=0,0014+0,206=0,2074 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
4=0,0014 +0,206+0,002092+0,000098=0,21 .
[3, 146] =0,52×l×D×10-3, D , l ;
=0,52×23×4×10-3=0,048 .
[1, 197, 5.1] .+.=0,1 .
0,01 [3, 202, 5.8].
0,01 .
[3, 207, 5.16]: =0,12 .
:
=0,1+0,01+0,12+0,01=0,24 .
:
=0,048+0,24=0,288 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
5=0,048+0,24+0,00352+0,00336=0,29 .
|
|
[3, 146] =19×l×D×10-3, D , l ;
=19×15×12×10-3=3,42 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
0,01 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,01+0,12=0,2 .
:
=3,42+0,2=3,62 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
6=3,42+0,2+0,0818+0,2394=3,94 .
=1+2+3+4+5+6=0,27+0,25+0,21+0,21+0,29+3,94=5,17.
2
[3, 146] =0,17×d×l×10-3, l ;
=0.17×14×15×10-3=0,036 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
0,04 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,04+0,12=0,23 .
:
=0,036+0,23=0,266 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
1=0,036 +0,23+0,00314+0,00252=0,27 .
[3, 146] =0,17×d×l×10-3, l ;
=0.17×14×8×10-3=0,02 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
0,04 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,04+0,12=0,23 .
:
=0,02+0,23=0,25 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
2=0,02 +0,23+0,00276+0,0014=0,25 .
[3, 146] =0,1×d×l×10-3, l ;
=0,1×12×1×10-3=0,0012 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
1 0,016 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,016+0,12=0,206 .
:
=0,0012+0,206=0,2072 .
t=2 [3, 209, 5.17] : ×
|
|
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
3=0,0012 +0,206+0,002088+0,000084=0,21 .
[3, 146] =0,1×d×l×10-3, l ;
=0,1×14×1×10-3=0,0014.
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
1 0,016 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,016+0,12=0,206 .
:
=0,0014+0,206=0,2074 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
4=0,0014 +0,206+0,002092+0,000098=0,21 .
[3, 146] =0,52×l×D×10-3, D , l ;
=0,52×23×4×10-3=0,048 .
[1, 197, 5.1] .+.=0,1 .
0,01 [3, 202, 5.8].
0,01 .
[3, 207, 5.16]: =0,12 .
:
=0,1+0,01+0,12+0,01=0,24 .
:
=0,048+0,24=0,288 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
5=0,048+0,24+0,00352+0,00336=0,29 .
[3, 146] =19×l×D×10-3, D , l ;
=19×15×12×10-3=3,42 .
[3, 197, 5.1] .+.=0,06 .
0,01 [3, 202, 5.8].
0,01 .
[3, 207, 5.16]: =0,12 .
:
=0,06+0,01+0,01+0,12=0,2 .
:
=3,42+0,2=3,62 .
t=2 [3, 209, 5.17] : ×
.
[3, 212, 5.21] 1% ,
.
[3, 213, 5.22] =7% ,
.
6=3,42+0,2+0,0818+0,2394=3,94 .
=1+2+3+4+5+6=0,27+0,25+0,21+0,21+0,29+3,94=5,17.
1.4
, . .
N=20000 ;
: ;
Σt1 = 5,17 .;
Σt2 = 5,17 .
:
F = 3861 .;
[3, c.39]:
. = + . + ·(+),
, ./;
. , ./;
( =0,15);
, , ./.
[3, c.39]:
=e···,
e , , 9%, 7,6% 30% (e = 1,09ˑ1,076ˑ1,3 = 1,525); [3, . 40]
|
|
- ( 2- : = 54,8 ./); [3, . 40]
, ( : = 1); [3, . 39]
, ( : = 1). [3, 40]
= 1 = 2 = 1,525·54,8·1·1 =83,55 ./.
[3, 40]:
( : = 44,6 ./); [3, 40]
, . [3, .147]
11 = 12 = 1,3;
22 = 0,5;
1 = 2 = 44,6·1.3 = 60,21 ./;
2 = 44,6·0, = 22,3 ./;
[3, .42]:
= ;
, .;
1 (164) = 2= 9390 . [3, . 189]
2 (2135) = 1610 . [3, . 167]
F (F=3861 .)
- ( -: =0,8). [3,.43]
11 = 12 = =304 ./;
22 = =54,68 ./;
:
= ;
f , 2;
f11 = f12 = 2,700·1,750 = 4,72 2; [3, . 190]
f22 = 1,24·0,81 = 1 2; [3, . 168]
Kf , , .
Kf1 = Kf2 = 3; [3, .43]
11 = 12 = =37,5 ./;
Kf2 = 4;
22 = =10,65 ./;
:
.1 =83,55 + 60,21 + 0,15·(304 + 37,5) = 195 /
.2 = 83,55 + (60,21 + 22,3) + 0,15·((304+54,68) + (37,5+10,65)) = 227 /
:
=
(1,3); [3, 43]
.
1 = =12,9 ;
2 = = 15 .
1
1 | 2 | |
5,17 | 5,17 | |
12,9 | 15 |
1 , 2, 1.