Normal Stress Due to Bending in Straight Beams

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Normal Stress Due to Bending (in Straight Beams)

• Assumptions
• Pure Bending (only M on cross section) not
  restrictive can superpose stress components from
  other internal reactions as long as problem
  remains linear
• Linear Kinematics Plane sections remain plane.
  Small rotations of fibers along element axis.
  Small angle approximation is reasonably accurate.
• Linear-elastic material.

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