Question: Two L 5 3 1 2 angles are arranged back - to - back as shown in the figure below to form a lintel supporting

Two

L 5 3 \frac{1}{2}

angles are arranged back

-

-

back as shown in the figure below to form a lintel supporting a brick facade. If the lintel beam section is subjected to a bending moment

M

as shown in the figure, determine the orientation of its neutral axis. Also, calculate the maximum tensile and compressive stresses that will develop at the section. Assume

M = 30 k -

in and

= 30 .

Two L 5 3 1 2 angles are arranged back - to -

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