Design of RC Short Column with Axial Load and Bending Moment.

Which reinforcement arrangement is ideal for a short column subjected to biaxial bending?
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The term 'interaction curve' in column design represents:
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A rectangular RC short column (300 mm × 450 mm) carries an axial factored load of 1500 kN and a moment of 75 kNm about its major axis. What is the approximate eccentricity of the load?
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A site engineer observes diagonal cracks in an RC short column. This indicates:
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A rectangular RC column is subjected to an axial load of 1500 kN and a uniaxial moment of 75 kNm. If the eccentricity of the load is 50 mm, what is the approximate stress distribution?
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