Section Classification of Laterally unsupported ISMB section


  
 Applies To 
  
 Product(s):STAAD.Pro
 Version(s):All
 Environment: N/A
 Area: Design
 Subarea: IS 800:2007
 Original Author:

Surojit Ghosh
Bentley Technical Support Group

  

STAAD.Pro Model

Relevant STAAD.Pro model (.std file) can be downloaded from the following link:

STAAD.Pro model for IS 800:2007 verification example

Sectional Property details

Section ISMB250

Ax = 4760 mm2                                  ZEZ = 410560 mm3

Ay = 1725 mm2                                  ZEY = 53600 mm3

Az = 3125 mm2                                  ZPZ = 466000 mm3

Ixx = 250000 mm4                              ZPY = 89700 mm3

Iyy = 3350000 mm4                                         fy = 250 N/mm2

 ry = 26.53 mm                                    FU = 420 N/mm2

 rz = 103.83 mm

Critical Design Forces

 

Axial Force (FX) = 710.792E-03 kN (Compression)

Shear force (FY) = -4.500E+00 kN    

Shear force (FZ) = 0.000E+00 kN

Torsion (MX) = 0.000E+00 kN-m    

Bending moment (MY) = 0.000E+00 kN-m       

Bending moment (MZ) = 1.914E+00 kN-m     

Section Classification 

STAAD.Pro Design Output