Question

A beam of steel having square cross section of 20x20mm2

having E =
200 GPa is subjected to an axial (P) load of 20 kN, Torsional (T) load
of 60 Nm and Transverse (F) load of 0.60 kN as shown in Figure. Solve
each load independently for both element A and B existing at the top
and side surface of the beam respectively and determine:
a) State of stress against each load condition for both element A
and B
b) Draw Mohr’s Circle where applicable for each state of stress for
both element A and B
c) Determine the principal planes and the principal stresses,
d) Draw the orientation of the Principal Stresses
e) The stress components exerted on the element obtained by
rotating the given element counterclockwise through 30
degrees.

Answer 1

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