( 6.050701 )
2007
536.2.076.5 621.51 (077)
( 6.050701 )./ .: .. : , 2007. 17 .
-25-90. : h-s , , . .
: ..
. ., ... ..
. ( ).
- :
- ;
- ;
- ;
- ;
-
- ();
- h-s-;
- ;
- ;
- ;
- ;
- .
h-s-.
. .
, . , . . .
, 80¸90% , ..
N =(0.8¸0.9) N .
-25-90, : N =25; =8.83,to=535 ;
t..=218 ; =3.34; =0.6 ., [1].
|
|
|
.
1 h-s -
h-s-. , , ,
.
3¸5% . , 1
/ = (0.97¸0.95) . (1.1)
D = l( /100)2 = 2 , (1.2)
l - , l=0.05¸0.1;
, /, ( : =100¸120 /);
, ;
2 , .
h-s- (. 1).
(.1), to. , 1/ / to/. 2, 2t.
, h-s- ,
=(i o-i 2 t). (1.3)
i = h i, (1.4)
h i :
h i = h / h , (1.5)
h , (h =0.8¸0.82);
h (h =0,975¸0,985).
1/ i 2 2. 1 2 , .
, .
1 -
2
:
1) 5% ;
2) ()
Dt=t t = 4¸7 ;
3) 3,5¸6,5 ;
4) 1% . () 3% 100 0.5% . , , 4,5%.
5) 1¸3% .
:
|
|
|
) ()
Dt1= 
, (2.1)
t - , ;
t - , .
) ()
Dt2= 
, (2.2)
t ..- , ;
n2 - .
2.1. h-s- [2].
2.1 -
| - - | - | - | ||||||
| 1 | 2 | 3 | 4 | 5 | ||||
| , , | ||||||||
| , /, | ||||||||
| , t , | ||||||||
| , t, | ||||||||
| ,i //, / | ||||||||
| , i /, / | ||||||||
| , i, / | ||||||||
| , i , / |
3
(.2), .
100% (a=1).
, , .
1
aI(iI-i I)=1.045(iI //-iI /) , (3.1)
aI = 
, (3.2)
, .
2
aII(iII-i II)+ aI(i I-i II)= 1.045(i II//-iII /) , (3.3)
aII = 
. (3.4)
, , i=419/. , , h=209.5 /. , i = i h.
:
a i +(aI +aII) iII+ ia+ ia+(1- aI-aII-a) iIII//=1.045i//, (3.5)
a = 
. (3.6)
2
3
