:
, (7)
n i- , ( 1); n i- , (1); ui .
:
n1= 1 ;
n1=n2=709 (/.)
:
, (8)
i - , (); i - , (); h .
.
P1=P = 2,14()
2= 1 = 2,14 0,98 0,99=2,07 ()
3=P2 = 2,07 0,96 0,99=1,96 ()
P4=3 = 1,96 0,92 0,99=1,78 ()
3.3.
:
, (9)
Ti i - , (×); i i - , (); ni i - ,( -1)
.
(. 3) : . , (ͷ), , .
3-
, () | , (ͷ) | , () | |||
-160 | 2,5 | 1,0 | 0,98 |
.=1,0(.)>.. = 66,0(. )
160 2,5 12 2 20373
.
aw = 160 (), u =2,5, 12, , 2:
. :
t ≥2,8 (10)
: T-
T3=66,0 .10 3 ( )
= (11)
(- , )
:
- ;
= 1;( )
- ;
= 1; (.. =(30÷50)t =1)
- ;
= 1; ( 600)
- ;
= 1,25 ( )
= 1,5- ;( )
= 1,5- ( )
=1 1 1.1,25 1,5 1,5=2,81
|
|
:
z1 - ;
z1 =31-2 U = 31-2. 2,83=25,34;
z1 = 25;
z2 = z1 U.. = 25. 2,83 = 70,15
z2 =70 70<120
[p] .
.
t = 50,8();
[n] =200 (/);
[] =17 ();
m - ;
m = 1;
t. ( )
=21,25()
.
t = 25, 4 ()
2 :
1. ;
t=25, 4 [n] 800(-1)>n3;
2. ;
n1=200 (-1);
[p]=23 ();
(12)
( ).
(13)
v. ( )
( ) .
=179,7 (2)
p.
:
(14)
at=a/t (15)
Lt= 118- .
:
(16)
0,4 % 589,08 0,004=2,36 ().
=589,08-2,36=586,72 ()
.
:
Ft=653,33 (H)
Fv=q.V2=2,6.(3,0)2=23,4(H) ( )
q-
Ff=9,81.Kf.q.a=9,81.6.2,6.0,589=90,13(H) ( )
f-,
Fb=Ft+2Ff=653,33+2.90,13=833,60(H) ( )
=71,24>[S] ( )