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Chapter 1

Q. 1.30

Redo Example 1.29 if the beam is supported on springs of stiffness, k = 200 kN/m.

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Verified Solution

Static deflection of the beam,

\sigma_{s t}=0.0844+\frac{100}{200}=0.5844  mm

Impact factor =1+\sqrt{1+\frac{2 \times 500}{0.5844}}=42.38

\delta_{\max }=0.5844 \times 42.38=24.76  mm

 

\sigma_{\max }=0.225 \times 42.38=9.53  MPa