;
b tg b < 0,4.
3.37. , (. . 18), q, (50) , :
(66)
(67)
(66) ,
( 0 = ), (68)
,
( 0 = 2 h 0), (69)
Mb 1 Mb, (52) h 01 b;
b ;
q 1 . . 3.32.
h 0 h 0 = h 01 + ctg b.
qsw 1 qsw 2 (50) , l 1 qsw 1, Qsw . 3.34.
h 0 .
, . 3.32, , tg b > 0,1, (68) q 1 = 0.
3.38. , (. 19), (50), , (68) q 1 = 0 . h 01 Q . , , , c 0 < .
. 19. ,
, (. . 19).
, , , . 3.31 3.32, h 0 .
3.39. , ,
(70)
Qx, Qy , ;
|
|
Qbw(x), Qbw(y) , (50).
. 332 .
. .
3.40 (3.32). :
a) (71)
Qmax ;
) (72)
Q ;
jb 4 , . 21;
, ; max = 2,5 h 0.
( ) max a:
(73)
1,25.
(72) , max.
(. 20).