Rs.n, 5.7.
5.7
, | Rs.n Rs.ser, | |
240 | 6-40 | |
6-40 | ||
400 | 6-40 | |
500 | 10-40 | |
500 | 3-12 |
5.2.6 Rs
; | (5.10) |
γs - , : :
1,1- 240, 300 400;
1,15- 500;
1,2 - 500;
1,0 - .
Rs ( ) 5.8, - 5.7. Rs,n .
Rsc Rs , , : - 400 , - 500 . 500 , 0,9 ( 5.8).
5.8
. | |||
Rsc | |||
Rs | ( ) Rsw | ||
240 | |||
400 | |||
500 | 435(400) | ||
500 | 415(360) | ||
- Rsc . |
5.2.7 γ si, .
( ) Rsc Rs γ s1 = 0,8, 300 . Rsw ( ) 5.8.
5.2.8 :
- Rs;
- Es
|
|
5.2.9 ε s0 Rs
; | (5.11) |
5.2.10 Es = 2,0∙105 .
5.2.11 () , σ s ε s , ( 5.2).
.
5.2 -
5.2.12 σ s ε s :
0 ≤ ε s ≤ ε s0,
; | (5.12) |
ε s0 ≤ ε s ≤ ε s2
; | (5.13) |
c, Es Rs 5.2.9, 5.2.10 5.2.6. Rs2 0,025.