I'm a fresh graduate, not my first time here but my first time posting, so bear with me. Here's my problem I was trying to calculate the bearing capacity of a soil for a project, I was working on. The ultimate bearing capacity equation used was Meyrhof's. I noticed that the bearing capacity would drop as the width of the footing increased. This seemed contrary to what I have studied; therefore, I tried to plot Ultimate Bearing capacity Vs. Width for a square isolated footing resting on a soil with C = 0 KPa, Φ = 11°, γ = 18KN/m³ and foundation depth(Df)=3m. The result was a non-linear plot with Bearing Capacity decreasing with width of the footing. I have attached the plot and the python(numpy+scipy+matplotlib)code used to produce the plot. Now, my question is shouldn't ultimate bearing capacity of an isolated footing increase with increase in width?
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