I Section Properties Calculator
Doubly-symmetric or asymmetric I-section (plate girder). All flanges centred on the YY axis. ZZ = horizontal centroidal axis.
Inputs:
Outputs:
Area (A)
mm2
CG from Top (ȳtop)
mm
CG from Bottom (ȳbot)
mm
C/C between flanges (h0)
mm
About ZZ axis:
Moment of Inertia (IZZ)
mm4
Radius of Gyration (rZZ)
mm
PNA from Top (YPNA,top)
mm
PNA from Bottom (YPNA,bot)
mm
Elastic Section Modulus — top (Ze,ZZ,top)
mm3
Elastic Section Modulus — bottom (Ze,ZZ,bot)
mm3
Plastic Section Modulus (Zp,ZZ)
mm3
About YY axis:
Moment of Inertia (IYY)
mm4
Radius of Gyration (rYY)
mm
Extreme fibre from YY (= max(wtf,wbf)/2)
mm
Elastic Section Modulus — right (Ze,YY,right)
mm3
Elastic Section Modulus — left (Ze,YY,left)
mm3
Plastic Section Modulus (Zp,YY)
mm3