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. A rectangular beam of size 300 * 600 mm is reinforced with steel bars of...

. A rectangular beam of size 300 * 600 mm is reinforced with steel bars of area 1530 mm^2. Concrete of Grade C-25 and steel of Grade 420 is to be used. Depth of neutral axis (y-dash) is found to be 312 mm.

Find the stress at the bottom of the section, if applied bending moment is 45 KN-m.

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