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Figure Geometriche Piane

SezioneArea della sezione Distanza dal baricentroMomento d'inerziaModulo di resistenza
S [cm2]x [cm]J [cm4]W [cm3]
H2H/2H4/12H3/6
H2-d2H/2(H4-d4) /12(H4-d4) /6H
B*HH/2B*H3/12B*H2/6
B*H-b*hH/2(B*H3-b*h3)/12(B*H3-b*h3)/6H
π*R2Rπ*R4/4π*R3/4
π*(R2-r2)Rπ*(R4 - r4)/4π*(R4-r4)/4
B*H-b*hx = H-x'

x' = (s*H2+b*s2)/2(s*H+b*s)
(B*x'3-b*(h-x)3+s*x3)/3 Wx = √(J/S)/x

Wx' =√(J/S)/x'
B*H-(B-s)*hx = H-x'

x' = (s*H2+(B-s)*s2)/2(s*H+(B-s)*s)
(B*x'3-(B-s)*(h-x)3+s*x3)/3Wx = J/x

Wx' = J/x'
B*H-(B-s)*hH/2(B*H3-(B-s)*h3)/12(B*H3-(B-s)*h3)/6H
2s*H+b*sH/2(2s*H3-b*s3)/12(2s*H3+b*s3)/6H
B*H-(B-2s)*hx = H-x'

x' = (2s*H2+(B-2s)*s2)/2(2s*H+(B-s)*s)
(B*x'3-(B-2s)*(h-x)3+2s*x3)/3Wx = I/x

Wx' = I/x'
B*H-(B-s)*hH/2(B*H3-(B-s)*h3)/12(B*H3-(B-s)*h3)/6H
B*H/2x=2H/3

x'=H/3
B*H3/36Wx =(B-H2)/24

Wx' = (B-H2)/12
H2√2*H/2H4/12H3/6√2
H2-h2√2*H/2(H4-h4)/12H4-h4/(6H*√2)