Ar = ( h o 2 Ar = ( h o
Ir =
(bo
Ir =
t )( h o 2 12
2
(bo
2
t )( h o 12
t )(bo 2 t )(bo 2
t)
t ) 2 0,215 r 2
3
t)
Wr =
2 2 0,215 r 2
3
Wr =
ho 2 2
h 2 0,215 r 2 o 2
2 Ir ho 2 2 Ir ho t
Ar = ( h o 2
t ) 4 0,215 r 2
t
Ar = ( h o t
t
t )(bo 2
2
0,223 r
2 0,223 r
Ir =
(bo
Ir =
(bo
t )(bo 2 2
2
t) t)
t )( h o 2 12
t)
t )( h o 12
t)
3
3
qpp q sc
= 1 kN/m2 = 3 kN/m2.
qpp+sc
= 4 kN/m2
d = 2,44 ⇒ qpp+sc, lin = 4*2,44 = 9,76 kN/m = 9,76 N/mm
L = 6,00 m ⇒ M=9,76*6.0002/8 = 43.920.000 N*mm ⇒ KD = 1,00 Ff,dis = 7,2 MPa Wr = M/Ff
3 is = 43.920.000/7,2 = 6.1000.000 mm
bo = 115 mm h
=
6 ∗ Wreq bo
=
6 ∗ 6.1000.000 11
= 564 mm
2
