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July 4, 2015

Homework Help: statics

Posted by shane on Saturday, August 4, 2012 at 12:51pm.

A cantilever beam member made from steel with hollow circular cross section experiences an axial load of 300 KN (F1), and a vertical load of 200 kN (F2) as shown in the following figure.
The outside diameter of the beam is 50mm and the uniform wall thickness of the cross section is 4mm. Beam is made out of AISI 1040 Cold-drawn steel. The beam is fixed on one end and the beam has a length of 300mm

For the given system:
a. Draw the Free-Body-Diagram of the beam.
b. Compute the reaction forces and bending moment on the beam.
c. Compute the maximum normal stress, minimum normal stress and maximum shear stress.
d. Compute the maximum axial deformation on this member (x).
e. Compute the maximum vertical deflection of the tip of the beam due to the bending moment (y).
f. Will the member experience permanent deformation or complete failure due to this applied load? Draw your conclusions based on the strength values of the beam material.

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