Question

Determine the elastic neutral axis, elastic section modulus, plastic neutral axis, and plastic section modulus for...

Determine the elastic neutral axis, elastic section
modulus, plastic neutral axis, and plastic section modulus
for a WT8×50 modeled as two rectangles forming the
flange and the stem. Compare the calculated values to
those given in the Manual.

Engineering   Civil-Engineering   
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Homework Answers

Answer #1

  

  • Elastic Neutral axis

y = 1.767in (From top) ( Manual value 1.76in.)

y = 6.723in (from bottom)

  • Elastic Sectional modulus

Sx =11.416 in3   (Manual Value 11.4in3)

  • Plastic Neutral axis

y = 0.704in   

  • Plastic sectional modulus

Zx= 20.697in3 (Manual value 20.7in3)

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