1
( 1) :
) 20 .
) 60 .
  | |||
 | |||
, , . , .
, h6.
h es = 0.
6 d=22 Td = 13 .
Td = es - ei => ei = es - Td = 0 - 13 = -13 .
dmax = 22,000
dmin =22,000 - 0,013 = 21, 987 .
) 20 . ,
Smin 
20 .
.. . , 25346-89, +20 , F = +20 . , .. . 6, 7. 22 TD = 21 ,
EI = 20
ES = EI +TD =20 + 21 =41
Dmax = D + ES =22,000 + 0,041= 22,014
Dmin = D + EI = 22,000 + 0,020 = 22,020
Smax = ES - ei = 41 - (- 13) = 54
Smin = EI - es = 20 - 0 = 20 -
-
.
TS = Smax - Smin = 54 20 = 34.
) 60 . ,
Nmax 
60 , 0 Nmin
, .. . 6, 7.
22 TD = 21 .
, , .. S
ES=-35,
TD = ES EI =>EI = ES - TD =-35 - 21= -56
Dmax = D + ES =22,000 + (-0,035)= 21,965
Dmin = D + EI = 22,000 + (-0,056) = 21,944
Nmax = es - EI = 0 - (- 56) = 56
|
Nmin = ei - ES = -13 - (-35) = 22
, .
TS = Nmax - Nmin = 56 - 22 = 34
2
1 .
1. -
22 F7.
|
|
|
25346-92 .
7 22 TD = 21, F = +20.
EI = 20
ES = EI +TD =20 + 21 =41
Dmax = D + ES =22,000 + 0,041= 22,041
Dmin = D + EI = 22,000 + 0,020 = 22,020
24853-81 - 7 180 ( 7) 6 11 ( 8).
z = 3,
y = 3 .
.
    | |||
 | |||
max = Dmin + z + 
= 22,020 +0,003 + 0,004/2 =22,025
22,025-0,004
: max = 22,025
min = max H;
min = 22,025 0,004=22,021.
. = Dmin - = 22,020 - 0,003 = 22, 017.
max = Dmax + = 22,041 + 0,004/2 = 22,043
22,043-0,004
: max = 22,043
min = max H;
min = 22,043 0,004 = 22,039.
2. -
22 h6 .
25346-89 .
h es = 0.
6 d=22 Td = 13 .
Td = es - ei => ei = es - Td = 0 - 13 = -13 .
dmax = 22,000
dmin =22,000 - 0,013 = 21, 987 .
24853-81 - 6 180 ( 7) 6 11 ( 8).
H1 = 4 ,
|
z1 = 3,
y1 = 3.
Hp =1,5
 | |
.
   | ||||||
 | ||||||
 | ||||||
    |
, .. .
min = dmax - z1 - = 22,000 - 0,003 - 0,004/2 =21,995
21,995+0,004
: mx = min +
mx = 21,995 + 0,004 = 21,999
min = 21,995 .
. = dmax + 1 = 22,00 + 0,003 = 22,003 .
min = dmin - = 21, 987 - 0,004/2 = 21,985
21,985+0,004
: mx = min +
mx = 21,985 + 0,004 = 21,989
min = 21,989 .
