Find out the maximum and minimum bending stress in beam, Mechanical Engineering

Q.  A steel bar 10 cm broad and 8 mm thick is subjected to bending moment. The radius of the neutral surface is 100 cm. Found out the maximum and minimum bending stress in beam.

Sol.:
  2074_maximum and minimum bending stress.png
Let for steel bar E = 2 × 105 N/mm2

ymax = 4mm

R = 1000mm

σmax = E.ymax /R = (2 × 105 × 4 )/1000 

Posted Date: 10/20/2012 8:29:59 AM | Location : United States







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