– ; f – ; –
; – .
. :
F0 F1 – .
. - :
|
|
|
ln |
F0 |
1 fctg ' , |
|
|
|
F1 |
|
|
|
|
|
|
|
d |
0 d1 |
tg |
|
' – , tg ' ' |
|
|
|
|
, |
|
|
|
|
d0 d1 2l tg
l – .
, .
. :
|
|
|
|
m 0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
|
1 |
2 |
|
|
2 |
2 |
|
0 q |
, |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
q – , ; |
m |
|
1 0 |
; ' = f ctg ; 0 1 – |
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
|
|
|
|
|
, .
. :
|
|
|
f tg |
d |
0 |
s |
d |
0 |
s |
|
, |
. |
ln 1 |
|
1 f tg |
|
1 |
|
|
|
|
|
|
s1 |
|
|
s1 |
|
|
|
|
|
|
|
|
|
|
|
f – ; – ; s – ; d – ; "0" "1" –
.
. : |
|
tg f ln |
d0 |
|
|
. |
|
|
, |
d1 |
|
|
|
sin |
|
|
|
– , ; |
– |
; |
– ( =1,10 1,15); – .
. :
|
|
|
1 1 f |
|
|
. |
|
|
|
|
0,4 . |
1 0,5 1 1 f |
|
|
|
|
|
|
|
( )
. :
1 1 2 f
. 1 0,5 1 1 2 f 0,5
l – .
. :
|
|
|
|
|
tg |
|
|
F1 |
A1 f tg |
|
F1 |
A1 f tg |
|
|
|
1,1 |
1 |
|
|
1 |
|
|
|
|
, |
|
A f |
|
F |
F |
|
. |
|
. . |
|
|
|
|
|
|
. |
|
|
|
|
|
|
1 |
|
|
|
|
|
|
|
|
|
' – ; tg |
d0 d1 tg |
, |
d0 d1 2l tg |
d0, d1 – ; – |
; |
A1 1 |
|
d 1 cos |
, d 1 – ; s0, |
d |
1 |
s |
0 |
s |
|
|
|
|
1 |
|
s1 – ; F1, F –
; –
:
|
|
|
|
|
2 1 |
|
d 1 |
2 |
d 1 |
2 |
|
|
|
1,15 |
|
|
|
|
|
1 |
|
|
|
|
|
|
|
|
|
, |
|
|
|
|
|
|
|
|
|
|
|
. |
|
. |
|
|
|
d |
|
|
|
e d |
|
|
|
|
|
|
|
|
|
2 |
|
|
|
0 |
|
|
|
0 |
|
|
|
|
– |
; |
|
2 |
|
1 fctg |
1; d 0 d 1 – |
|
1 ftg |
|
|
|
|
, d = (d – d )/2 = d – s; –
.
. :
|
|
1 |
|
|
F |
|
3 1 |
- fl |
|
|
d1 |
|
|
|
|
- fl |
|
|
d1 |
|
|
|
|
|
|
d |
s |
|
|
|
|
d |
s |
|
|
|
|
|
|
|
|
3 |
|
|
|
|
|
|
|
. |
|
|
|
|
1 |
|
|
e |
|
|
1 1 |
|
e |
|
|
1 1 |
3 |
1 |
, |
1 |
|
|
|
|
|
|
|
|
|
|
F |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tg f |
|
d |
1 |
2s |
|
f |
|
|
3 |
|
|
|
|
1 |
|
|
; d1 |
– |
1 ftg |
|
|
d1 |
tg |
; F , F1 –
; d 1=d1–s1 –
; l – ; s1 –
; –
. : |
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
f |
|
|
|
|
|
|
|
|
|
1 1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0,5 |
, |
|
|
|
|
|
|
|
1 |
|
|
|
|
|
. |
|
|
|
|
|
|
|
f |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 0,5 1 1 |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
– ; –
; – , .
( )
|
r |
|
F |
|
B |
F |
|
|
1 |
|
3 f |
|
|
|
|
|
Aln |
|
2 |
|
|
0 |
|
|
|
|
|
|
|
|
|
|
|
|
, |
r |
|
|
F |
|
|
F |
|
|
|
|
|
|
|
1,5 f 1 |
|
|
|
|
|
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
= 1,1 1,15; 0 |
|
0 1 |
; 0 1 – |
|
|
2 |
|
; = 1+f/tg ; = –f/2sin , f – ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
, |
|
– |
|
|
|
; |
FI = (2rI |
– |
sI)sI; |
|
sI |
= s0/cos ; |
FII = |
(2rII – sII)sII; |
rI r1 s |
sII tg |
|
; sII |
= s0 |
– sII; |
|
sin |
|
|
|
|
sII |
|
|
|
|
|
|
|
rII |
r |
|
; s = s0 – s1; sII |
= 0,05( – )(s0 – s1); s0, s1 – |
|
cos |
|
|
|
|
|
|
|
|
|
|
|
|
; r1 –
; r – .
. :
|
|
|
s |
0 |
s |
d |
1 |
d |
0 |
|
|
f |
|
|
|
|
|
|
|
|
|
|
1 |
|
|
|
1 |
|
|
|
|
0,4 |
|
, |
|
|
|
|
|
|
s |
|
|
|
|
|
.p |
|
2s |
d |
1 |
0 |
|
|
|
|
|
|
|
|
|
|
|
1 |
|
|
|
|
|
|
o |
|
|
|