The stepped beam of length 4a carries a distributed load of intensity Wo over its middle half. The moments of inertia are 1.5l, for the middle half and I for the rest of the beam. Find the displacement of the beam at its midspan. (Hint: Utilize symmetry and analyze the right half of the beam only). Use Double Integration

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Q: Determine the deflection at the midpoint of the beam using virtual work.

A: Draw free body diagram Calculation of support reaction RA+RB=12×250×7RA+RB=875N

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.