h1 R
4.29 - ,
, ( . 4.29)
X 2 b p sin f cos Rd 2 b p sin f cos Rd 0
b –
–
R -
- , 0 .
t f p
« », 0 -
».
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b p R |
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sin f cos d sin f cos d 0 |
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2 f sin 1 cos f sin 0
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b1 p1, – b0 p0
b1 p1 K . , (
b0 p0
) b0 p0 R ,
K sin f cos Rd sin f cos d 0
0
K 1) f sin f sin cos K K 1 cos 0
sin sin , |
cos 1 , f tg |
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2 1 |
(h0=4 ; D=400 ; f =0,07; 0=20 )
1,1 1,2 .
=1, p1 b1 p0 b0
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2 .
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: h0=4 ; D=400 ; f =0,07.
4.
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l
( . 4.30).
( ) .
l ,
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l l |
100% |
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S1 1 t1 t0 l l |
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t1, t0 –
- .
3-8%. .
6,8%, 6,3%,
5,9% 5,5%.
20%.
5.
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. :
( .4.31).
cos
- ;
– .
i
i i , (
b =b1): h cos 1 h1
h - .
1 h
0 h1
1
0
, :
S1 |
1 |
1 |
h |
cos 1 |
(4.76) |
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4.31 -
. 4.31
h h1 D (1 cos ) h 1 D (1 cos ) h1
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D |
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1 cos |
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cos |
(4.77) |
S1 |
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0.5, (4.78) .
:
S1 |
R |
2 |
(4.79) |
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(4.79) |
(4.78) |
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– S1=0.01-0.08 (1-8%).
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