27. COLUMNS
This chapter discusses different types of columns, including short columns and their behavior under various loads. Key aspects such as eccentric columns and the effects of moments on the structural integrity of columns are examined. The chapter also covers design principles for reinforcements and structural assessment relevant to column stability.
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What we have learnt
- Columns resist axial and flexural loads.
- Different failure modes can occur based on load eccentricity.
- Proper reinforcement design is critical for structural safety.
Key Concepts
- -- Axial Load
- The load that acts in line with the axis of the column, impacting its compressive capacity.
- -- Eccentric Load
- A load applied off the centroid of the column, inducing moments that can lead to bending.
- -- Eccentricity
- The distance between the centroid of the load and the centroid of the column cross-section, influencing bending moments.
- -- Short Columns
- Columns whose height-to-width ratio is low, leading to primarily axial load behavior without significant buckling.
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