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In questo foglio le u.m. sono inserite ma non considerate nei calcoli (inserire i dati con le u.m. già indicate senza modificarle)

bb 300 mm * :

E.s 206000 MPa * :

h 600 mm * :

δ 40 mm * :

f.yk 450 MPa * :

A.st 804 mm * :

f.yd f.yk 1.15 / : MPa 391.3

A.sc 452 mm * :

d h δ - :

ε.sy f.yd E.s / : 0.0019

f.cd 14.17 MPa * :

ε.cu 0.0035 :

ε.su 0.067 :

ε.c0 0.002 :

ε σ.s ε abs ε.sy < E.s ε * ε sign f.yd * if :

ε σ.s E.s ε * ε abs ε.sy < ε sign f.yd * cases :

ε σ.c f.cd 2 ε ε.c0 / * ε ε.c0 / (2^- (* ε ε.c0 < (ε 0 ≥ (& f.cd ε ε.c0 ≥ 0 cases :

ε σ.c ε ε.c0 < (ε 0 ≥ (& (f.cd * 2 ε ε.c0 / * ε ε.c0 / (2^- (* ε ε.c0 ≥ (f.cd * + :

x.lim ε.cu ε.su ε.cu + / d * : mm 27.8

deformazione in ordinata yy per asse neutro x.n:

x.n yy ε x.n x.lim < (ε.su - x.n d - / * yy * x.n x.lim ≥ (ε.cu x.n / * yy * + :

x.n yy ε ε.su - x.n d - / yy * x.n x.lim < ε.cu x.n / yy * x.n x.lim ≥ 0 cases :

x.n σ.sc x.n x.n δ - ε σ.s :

x.n σ.st x.n x.n d - ε σ.s :

+ le compressioni N 90000 N * :

x f bb x y ε σ.c y 0 x int * x σ.sc A.sc * + x σ.st A.st * + N - (:

a 0.01 mm * :

a f 5.81478 105^* -

b 120 mm * :

b f 1.85215 105^*

ε 103 -^:

x.n 0 : b f 0 < a f 0 < x.n no zero in interval : b1 a : a1 b : 21 line if 11 line a f 0 > x.n no zero in interval : a1 a : b1 b : 21 line if 11 line if x.n IsString n 0 : x.n b1 a1 + (2 / : n 0 : x.n f abs ε > x.n f a1 f * 0 ≤ b1 x.n : a1 x.n : if x.n b1 a1 + (2 / : n n 1 + : 31 line while 31 line if x.n n 21 mat 41 line

x.n mm 74.03769

n 26

x.n x.n ε σ.c MPa 14.2

x.n f 0.00019 -

x.n σ.sc MPa 331.5

x.n σ.st MPa 391.3 -

M.Rd bb x.n y ε σ.c y h 2 / + x.n - (* y 0 x.n int * x.n σ.sc A.sc * h 2 / δ - (* + x.n σ.st A.st * h 2 / δ - (* - (: 1.8934 108^*

M.Rd M.Rd 106^/ kN * m * : kN m * 189.3413

bb x.n y ε σ.c y h 2 / + x.n - (* y 0 x.n int * 106^/ 68.6

x.n σ.sc A.sc * h 2 / δ - (* 106^/ 39

x.n σ.st A.st * h 2 / δ - (* 106^/ 81.8 -