Civil Engineering MCQAE Level Civil Engineering
For a rectangular section of width b and depth d, the plastic shape factor in bending about the centroidal axis parallel to b is:
Strength of MaterialsTheory of Structures and DesignHARD
Choose the correct answer
A
1.00
B
1.50
C
1.33
D
2.00
Correct Answer
B. 1.50
Why is this the answer?
For a rectangle, Zp = bd^2/4 and Ze = bd^2/6, hence shape factor = Zp/Ze = 1.5.
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