7.83 ( 7.7) , :
M ≤ RsAszs + Σ RsAswzsw + Σ RsAsizsi; | (7.71) |
M ≤ RpApzp + Σ RpApwzpw + Σ RsAswzsw Σ RpApizpi, | (7.72) |
- , , , ;
zsw, zs, zsi, zpw, zp, zpi - , ; 7.78.
.
, , , .
7.84 , , ( σbt < Rbt), .
7.85 , , , 7.78.
- ; -
7.7 - , ,
7.86 ( )
Q < 0,45 msh Nα, | (7.73) |
Q - , , ;
0,45 - ;
msh - , 7.87;
N α - , , .
, ( 6.5 6.4), :
γf = 1 0,1 - () n ≤ 10;
- n > 10.
() .
, , ( ) , .
|
|
(, ..), , , 0,7. , , , .
7.87 msh (7.73) :
- 1,2;
- 1,0;
- 0,25;
, - 0,45.
7.88 , .
()
7.89 ()
N < φloc Rb,loc Aloc, | (7.74) |
N - ;
φloc - , : - 1,00, - 0,75;
Aloc - ;
Rb,loc - , :
Rb,loc = 13,5 φloc 1 Rbt; | (7.75) |
(7.76) |
(7.75) (7.76):
Rbt - ;
d - , , 7.8.
7.90 ()
N ≤ Rb,red Aloc, | (7.77) |
Aloc - ;
Rb,red - ,
Rb,red = Rb φloc,b + φ μ Rs φ loc,s. | (7.78) |
(7.78):
Rb, Rs - ;
(7.79) |
φ, μ - 7.72 [ (7.47), (7.48) (7.51)];
Aef - , , , l < Aef ≤ Ad;
Ad - , l 7.8.
7.89.
( 7.8) (), 7.111.
7.8 - d loc.
7.91 , , ; 1 - , .
|
|
:
;
;
;
1 ;
;
;
, ;
, 0,6, - 0,7.
75 % ( 7.26 7.39), , 7.33 , 40, .
7.92 ( ) , 2 2 7.95, , , , :
) :
σ p ,max = (σ p 1 σ el , c) + σ pg + σ pv ≤ map 1 Rp; | (7.80) |
σp,min = (σp 1 - σel,c) + σpg; | (7.81) |
) , :
σ bc ,max = σ pc 1 + σ pcg + σ pcv ≤ mb 1 Rb; | (7.82) |
σpc,min = σpc1 + σpcg | (7.83) |
( ).
(7.80) - (7.83):
σp,max, σp,min - ;
σp 1 - ( ) ;
σel,c - 7.93;
σpg = n 1 σbtg - ;
σpv = n 1 σbtv - ,
n 1 - 7.48;
m 1 - , 7.39;
Rp - 7.37;
σpc,max, σpc,min - ;
σb 1 - ( ) ;
σbtg, σbcv - ;
σbtv, σbcg - ;
mb 1 - , 7.26;
Rb - 7.24.
- , , , , ( , , , ).
7.93 σel,,
σel,c = n 1 σbp. | (7.84) |
, ,
|
|
σel, = n 1Δ σbm 1. | (7.85) |
(7.84) (7.85):
n 1 - 7.48;
σbp - , ;
Δ σb:- , , ;
m 1 - (), (), .
7.94 . , 7.23.
7.23
: | ||
(7.86) | ||
(7.87) | ||
(7.88) | ||
: | ||
σb ≤ mb 1 Rb | (7.89) | |
σs ≤ mas 1 Rs | (7.90) |
7.23 σmin σmax ρ, 7.9, 7.17 7.18.
(7.90) 7.91 .
. .
.
(7.86) - (7.90):
, N - ;
Ired - n' 7.48;
' - , ;
mb 1, mas 1 - , ( ) 7.26 7.39, Rb Rs;
u, ' - ( ) ;
Ared - n' 7.48 .