Torsional moment of inertia?
Hi people, i am in the process of designing a timber beam to eurocode 5, for university. One of the formulas used to calculate a critical factor, requires the value of torsional moment of inertia, and i have looked everywhere and cant find it. The shape of the beam is rectangular and as i say, the formula i need requires this particular value, i dont know if it is called something else but can anyone help?
Answers:
Just search for 'moment of inertia'. There are plenty of tables that show a square beam. If it is offset, you can use the parallel axis theorem.
Posting this in engineering might be a better idea.
Also, look here:
Torsional Moment of Inertia of Various Sections
http://www.ecs.umass.edu/mie/labs/mda/dl.
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Answers:
Just search for 'moment of inertia'. There are plenty of tables that show a square beam. If it is offset, you can use the parallel axis theorem.
Posting this in engineering might be a better idea.
Also, look here:
Torsional Moment of Inertia of Various Sections
http://www.ecs.umass.edu/mie/labs/mda/dl.
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