10
, /2 | |
. 16.5 , .
16.5
,
(/2), () | ||||
- | - | - | ||
- | - | - | ||
- | - | - | ||
- | - | - | ||
- | ||||
- |
: .
85 /2 3-5 .
|
.16.3.
(I)
,
80% .
V = 0,79 × D2 × L, (16.20)
D - , ;
L - , .
. d ()
d= , (16.21)
d - , ; V - , 3.
, . 0.02 , .. > 0.02,
S - (), 2.
q :
. (16.22)
Q0 - , /2, . 16.6;
- , .
q,
. (16.23)
I = 60 q4/3.
(. . 16.3).
.16.5.
|
|
. 16.7.
.
:
1. 60 .
2. 15 .
3. 900 .
4. ( 1.6 /2).
16.6