Mathematics for Structural Engineers Jan 2021

A couple problems for structural engineers.
Two problems
1. I revisited calculus, and this solution to determine the moment of inertia of a circular cross-section.
moment of inertia of a circular cross-section
Moment of inertia of a circular cross-section
2. What is the strongest (rectangular) beam I can cut from a given (perfectly round) log?
what is the strongest beam -- problem statement
Strongest beam statement
what is the strongest beam -- solution
Strongest beam solution
what is the strongest beam -- diagram
Strongest beam diagram

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