Steel Column
Axial compression
v1.0.1
File:
Project:
Designer:
Date:

Member Dimensions

Section Designation
Metric
Imperial


Shape:
Sections from database
Effective Length
KxLx:
mm (strong axis)
KyLy:
mm (weak axis)

Optimum Section

Factored Axial Load
Cf
kN
Leave Cf empty for faster results.
(Based on shape and lengths specified above.)

Properties

Section: W1100x499

Shape: Wide-flange
Imperial designation: W44x335

Properties:

Mass = 499 kg/m
b = 405 mm
rx = 452 mm
Fy = 345 MPa
A = 63400 mm2
d = 1118 mm
ry = 88.8 mm
E =200000 MPa
[cl: 13.3.1]

Axial Resistance - Flexural Buckling

&Phi = 0.9
n = 1.34
&lambda = KL/r*(Fy/(&pi2E))0.5
&lambdax = 0.02925
&lambday = 0.14888
Cr = &Phi*A*Fy*(1+&lambda2n)-1/2
Crx = 19684.56kN
Cry = 19597kN

Cr = 19597kN


Optimum Section - (Minimized Mass)

Given Cf = 100 kN

Optimal Section: W150x13

Shape: Wide-flange
Imperial designation: W6x8.5

Properties:

Mass = 13 kg/m
b = 100 mm
rx = 61.7 mm
Fy = 345 MPa
A = 1610 mm2
d = 148 mm
ry = 22.5 mm
E =200000 MPa
n =1.34 MPa
Crx = 493.98kN
Cry = 425.64kN

Cr = 426kN


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