For the bar in Problem 11.12, find the largest allowable value of P if the allowable compressive stress is 250 MPa.
Problem 11.12:
A steel bar with the cross section shown and effective length L = 2.5 m is subjected to a compressive load P = 200 kN with a eccentricity e = 0.00625 m. Find
(a) the beam's maximum deflection, and
(b) the maximum normal stress.