1. For the column shown below, create an interaction diagram on Excel for bending about the
strong axis and email it to the instructor. Show the nominal strength as well as the ACI
strength including the strength reduction factor, d. Utilize the full capacity of the
For the graph, the y-axis shall be the axial load and the x-axis shall be the moment. Plot the
factored loads, as points, for the various combinations and indicate them in a key. Plot the
same load on the appropriate interaction diagram from the textbook and
the spreadsheet. All work must be your own. Do not collaborate with classmates.
Given: fc = 4,000 psi
fy = 60,000 psi
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