Problem

Let the load P = 60.0 kN in Problem 10.7 be moved to one of the quarter points in the beam...

Let the load P = 60.0 kN in Problem 10.7 be moved to one of the quarter points in the beam. Determine the maximum deflection and maximum flexural stress in the beam and locations for each.

Problem 10.7

A steel I-beam (E = 200 GPa) has a depth of 127 mm, width of 76 mm, moment of inertia of Ix = 5.12 × 106 mm4 and length of 4 m. It rests on a hard rubber foundation. The value of the spring constant for the hard rubber is k0 = 0.270 N/mm3. If the beam is subjected to a concentrated load, P = 60.0 kN, at the center of the beam, determine the maximum deflection and maximum flexural stress at the center of the beam.

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