7.2.1.2. . , (. . 7.8). . 4 , (. . 7.8,), (. . 7.8,). , , , .. , - .
( ) .
(7.36)
- .
( I-I, . . 7.8, )
(7.37)
- ; - .
(7.38)
; Q - , , (. . 7.8,).
Q . , D, Q =0. , D =0, Q
(7.39)
D Q . .
(7.40)
- ; - ; - ; - . Q ( D ), 0.
( ) .
(7.36), - (7.34). . (7.35).
(7.1) - (7.25).
, , (. 7.9).
|
|
|
. 7.9.
(1.2) .
7.3. , 25. . . 7.10, 7.2. - 25. 4.0 .
.
, , 7.2.
I-I: 0.209 2, 0.275 , 0.00527 4, 0.0192 3.
II-II: 0.152 2, 0.20 , 0.00203 4, 0.0101 3.
1.42 , = 0.3 .
(7.36)
.
(7.40) Q, D =0.003 , =1.925 2.875
0.143.
|
. 7.10.
(7.41)
26.3 ,
(7.42)
.
:
7.0 ,
<10, .