3.1. : 䳿 , , , , .
3.2. . . As as .
. 3.1.
3.1
| - , l 0, | -, b, | , h, | ³ , , | |||
| d, | as, | |||||
(fcm,prism; Ec; εc1; εs0).
. F (. 3.1.).
, 10% . , , .
 |
3.3. . ³ . 3.3. , .
, , 䳿 . Fu.
. 2.2 F εc F - εs F - f (. 3.2 3.3).
3.4.
 |
3.2
| -, F, | -1 | -1 | -1 | ||||||
| i | Δ ls, | εs ×105 | Δ lb, | ε×105 | f, | ||||
|
|
|
Fu = .
 |
MSu , [3,4], [5].
Mu,exp = Fu × a (*). (3.1)
 |
3.6. .
4
