Interactive Sample Project: Pedestrian Bridge

Step 9: Section Properties

B = in.
H = in.

Now determine three things:

  • The distance from centroid to extreme fibers, c
  • The moment of inertia, I
  • The section modulus, S
  • Please do the calculations with pencil and paper
  • Determine the correct value for S.

    This choice is correct.
    The calculated values of I and c are:
    I = in4.
    c = in.

    This choice is incorrect.

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This material is based upon work supported by the National Science Foundation under Grant No. 0633602. Any opinions, findings and conclusions or recomendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation (NSF).

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