
383
5.1.2.
. . –
, : ,
, . , (
), , , . -
.
. ,
, , , .
,
.
. ,
.
, .
,
. . , ,
3% 110–
120 20 .
50 .
.
.
,
S
3
V
3
(S
3
/ V
3
).
S
3
V
3
:
S
3
= 4R(1 + 3R); (5.1)
V
= k
abl, (5.2)
, b, l , ;
R = (5 + 6b) / 60;
k
3
– , , k
3
= 0,52; k
3
=
0,42.
.
, .
,
, .
,
.
.
,% ,
3
35–45 730–850
35–45 680–750
60–70 275–400