8.1.36 .
, , , .
.
, .
, . , , , , , , . , , .
, , .
, .
8.1.37
T £0,1 Rb × b 2 × h,(8.66)
T - ;
b h - .
8.1.38 ( 8.8)
T £ Tsw + Ts, (8.67)
- , , ;
Tsw - , , ;
Ts - , , .
0138S10-03623
8.8 -
, (8.67), .
Tsw
|
|
Tsw = 0,9 Nsw × Z 2,(8.68)
Ts -
(8.69)
Nsw - , ; , , Nsw
Nsw = qsw, 1 × sw,(8.70)
qsw, 1 - ,
(8.71)
Asw, 1- , ;
sw - ;
sw -
sw = δ × , (8.72)
δ - ,
(8.73)
- ;
Ns - ,
Ns = Rs × As, 1,(8.74)
As, 1 - , ;
Z 1 Z 2 - .
0,5 1,5. , , ( ), .
, , . 2 × Z 2 + Z 1 .
, ,
T 1£ Tsw, 1 + Ts, 1,(8.75)
1- ;
Tsw, 1 - , , ,
Tsw, 1 = qsw, 1 × δ × Z 1 × Z 2,(8.76)
Ts, 1 - , , ,
Ts, 1 = 0,5 Rs × As ,1 × Z 2. (8.77)
.
, , , .
, 10.3.
8.1.39 8.1.36.
8.1.40
(8.78)
- ;
T 0 - , ;
- ;
0 - , .
, , , .. , .
|
|
, . .
T 0 8.1.37 (8.67) ( Tsw + Ts) .
0 8.1.9.
(8.75). = 1 . (8.75) (Tsw, 1 + Ts, 1).
0 , .
, 10.3 8.1.38.
8.1.41
(8.79)
T - ;
T 0 - , (8.66);
Q - ;
Q 0- , (8.55).
8.1.42 (8.79), :
T - ;
T 0 - , ;
Q - ;
Q 0- , .
, , , .. , .
T , . Q ,
T 0 8.1.38 (8.67) ( Tsw + Ts) .
Q 0 8.1.33 (8.56). , .
(8.75), - (8.60). = 1 Q = Q 1 . T 0 (8.75) ( Tsw ,1 + Ts ,1), Q 0 (8.60) ( Qb 1 + Qsw, 1).
, 10.3.