I was wondering if anyone could tell me what is the standard for calculation the maximum stress on the outer fiber of a beam that is loaded laterally such that it has a beanding stress and a shear stress. My current understanding is that if the beam is short then the bending and shear stresses would need to be combined. I have been told that when these are combined, the aveage shear stress is combined with the maximum bending stress using Von Mises formula. If it is a wide flange section then only the web of the beam is considered when calculating the shear stress. When the web of the beam is considered, would the average shear stress (as opposes to the tranverse shear) on the web be combined with the max bending stress on the flange outer fiber?
How would the shear formula VQ/IT fit into the above analyses. Is it used in these calculations or only the average shear stress?
Thanks in advance,
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