Thanks for your reply and advice nvn.
I have looked into some other equations and i have found the following:
M / I = σb / y = E / R
(PL / 2) / a4 / 12 = σb / y
Are these correct?
I have tried to use these formulas to calcualte dead load but not sure what the E and R values...
Homework Statement
A mild steel beam has a solid square cross section of 100mm and is simply supported by two supports 3m apart. calculate the dead load that can be safely supported when applied to the middle of the beam?
Homework Equations
The Attempt at a Solution
given data...