R , 䳿 ( , ) , . , , .
R = (XVRr + YRa )KK
: , (Ra = X = 1),
R = VRrKK; (11)
(Rr = 0; V = 1)
R = RaKK (12)
R = (XRr + YRa)KK (13)
(10)...(13) :
Rr, Ra 䳭 ;
X Υ ;
V (V = 1 V = 1,2 );
K (K = 1 ; K = 1,2 125 %; K = 1,5 150 %; K = 2 200 %; = 3 300 %);
K ( t ≤ 100, K = 1; t = 125 , K = 1,05; t = 150 , K = 1,1).
X Υ Ra/VRr (. 32.2). ' , . dz . Ra /(VRr) = Ra. X Υ Ra/(VRr) ≤ Ra /(VRr) > . Ra/(VRr) ≤ , X =1 Υ = 0.
( 36000) Ra/C0 (.). .
Ra Fa, .
Ra Fa, 䳺 , Fs1 Fs2, .
|
|
Fs, , : Fs = e Rr ; Fs = 0,83 e Rr .
36000 Ra/C0, Ra :
Ig e = (lg (Rr/C0) 1,144)/4,729. (14)
Ra1 Ra2 ( 32.7, , ) Fa. : Ra1 ≥ Fs1; Ra2 ≥ Fs2. Fa Ra1 + Ra2 = 0 Ra1 Ra2.
ϳ , , RE, , , .
RE = , (15)
Ri Li, L . (15)
RE= ; RE = KER, (16)
R , (10)...(13) Rr Ra;
K ( 4.3),
= . (17)
(. 2.3) KE (. 4.1): KE = 1 ; KE = 0,80 ; KE = 0,63 ; KE = 0,57 KE = 0.40 .
KE , Rr Ra . , .