Stresses in Beams subject to pure bending

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Stresses in Beams subject to pure bending

• SMz0

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For Pure Bending Shear stresses0
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Orientation of axes is critical
-? ?
-? ?

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4.2
y
Place xyz axes at centroid! RHS--gt (i)x(j)(k)
z
x
Surface has been created, and statics already
done! You know M acts on surface of interest the
one that contains points A and B.
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4.2
y
-z
x
Place xyz axes at centroid! RHS--gt (i)x(j)(k)
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4.7
centroid
y
z
3in
15kips
x
A15kips E
-14.71 ksi 8.82 ksi
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4.22
d
D