9.1. ( , , , .), , 105 , , , , .
32*
Rv Run, (/2) | |||||
420 (4300) | . 420 (4300) 440 (4500) | . 440 (4500) 520 (5300) | . 520 (5300) 580 (5900) | . 580 (5900) 635 (6500) | |
120 (1220) | 128 (1300) | 132 (1350) | 136 (1390) | 145 (1480) | |
100 (1020) | 106 (1080) | 108 (1100) | 110 (1120) | 116 (1180) | |
90 (920) | |||||
75 (765) | |||||
60 (610) | |||||
45 (460) | |||||
36 (370) | |||||
27 (275) |
.
, , , - , , .
, .
9.2*.
σmax ≤ αRvγv, (115)
Rv - , . 32* , . 83*;
α - , n :
n < 3,9 106 :
1 2
; (116)
3-8
; (117)
≥ 3,9 106 α = 0,77;
γv - , . 33 p = σmin / σmax; σm σmin - , φ, φ, φb. .
(115) αRvγv Ru / γu.
33
σmax | ρ | γv |
-1 ≤ ρ ≤ 0 | ||
0 < ρ ≤ 0,8 | ||
0,8 < ρ < 1 | ||
-1 ≤ ρ < 1 |
9.3. , 105, , , .
|
|