, . .
- - -, - .
- . . -
.
-
σz0 = p*K0
σzc = p*Kc
K0 = f(2z/b, l/b)
Kc = f(z/b, l/b)
- , . 0, 1, 2, 3, 4, 5
- K0 c. N , - .
σzI = p*KcI
σzII = p*KcII
KcI = f(z/a1, a3/a1)
KcII = f(z/a2, a3/a2)
KcIII = f(z/a3, a2/a3)
KcIV = f(z/a4, a1/a4)
σz = σzI + σzII + σzIII + σzIV
σz = (Kc1N67 + KcN278 - Kc2N45 - Kc1N43)*p
σz = (Kc168N - Kc135N - Kc278N + Kc245N)*p
.
, , ( ) . , . , 2 3, σz , , 1, R , .
: 2x8 2
1 X 1 2.
, , .
, , , , . . , , ( ), , . . 3 2x8 1,0 /2, 1 X 1 0,15 /2 (0,015 ).