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# Structural Analysis of Basketball Ring

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## David Schmiedl

on 23 October 2014

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#### Transcript of Structural Analysis of Basketball Ring

For this project we will be analysing a basketball ring/tower. We are assuming there is a 100kg person hanging from the ring in order to see what affect this persons weight will have on the structure.
Team members:
Max Goodwin
Callan Wallace
Liam Snedden
James Planner
David Schmiedl

Shear Force & Bending Moments
Centroid and M.O.I of shape
M.O.I of cross section
Maximum Bending Stress
Deflection of Pole
Shear Stress Analysis

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Bending Stress
According to http://www.fao.org/docrep/s1250e/s1250e1i.htm the maximum allowable bending stress in a steel member is 155 MPa
Fb(max) = 25.21 Mpa
Therefore, Fb (max) < Fb (allowable)
Shear Stress
According to http://www.fao.org/docrep/s1250e/s1250e1i.htm the maximum allowable shear stress in a steel member is aproximately 115 MPa
Fb(max) = 0.85 Mpa
Therefore, Fb (max) < Fb (allowable)
Deflections
The maximum allowable deflections is equal to L/250
Max Observed Deflection = 22.71 mm
L/250 = 3100/250 = 12.4 mm
Therefore, Max Deflection > Allowable Deflection
Therefore, the structure is not sound with a 100 kg person hanging from the end
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