Question
Download Solution PDFThe effective depth of a doubly reinforced beam is the:
This question was previously asked in
PGCIL DT Civil 5 May 2023 Official Paper
Answer (Detailed Solution Below)
Option 2 : distance between the centroid of tension steel and the compression face of the beam
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Download Solution PDFExplanation:
Effective Depth:
- In the design and analysis of reinforced concrete beams, the effective depth (d) is a critical parameter.
- This effective depth is conventionally defined as the distance from the compression face of the beam (generally the top face in bending) to the centroid of the tension reinforcement (the steel rebar typically located near the bottom of the beam).
- This is an important measure because it defines the 'lever arm' in the internal couple that resists applied bending moment, as per the theory of reinforced concrete design, the effective depth is a crucial factor affecting the strength and ductility of the beam.
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