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The Maximum Reactions table for columns was using terminology and some calculations that had been transferred directly from beams, without considering the different circumstances for columns. This has been corrected as follows:
Title of Section.
It is titled “Maximum Reactions” but refers only to Lateral Reactions. As this might mislead one into thinking that this section is about axial reactions as well. It has been renamed Lateral Reactions. Note that the diagram has includes all types of reactions and is appropriately titled “Reactions”.
Label of Factored Reactions
The lateral reactions for columns are marked Uplift and Total, when they really refer to reactions in the L->R and R->L directions. The word Uplift is inherited from beams, and for columns is misleading, it leads one to believe it is an axial reaction, when it is not.
Load Combinations
It is not apparent what load combination the reactions are from. This has been added to the table, to make it consistent with the beam output. It is done separately for L-R and R->L reactions if they both exist.
Unfactored Negative Reactions
Negative (right to left) values were not being included in the “unfactored” portion of the output. This was true for unfactored uplift reactions for beams as well, and has been corrected for both.
Self weight eccentricity
The self-weight for columns had the same eccentricity as for other loads. It should not have any eccentricity. This created a small horizontal reaction, typically a few pounds at most, but has been removed nonetheless.