Question
Download Solution PDFWhich section of reinfoced concrete strcture typically does NOT experience moment reduction due to moment redistribution?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
In the design of reinforced concrete structures, moment redistribution is a concept where the moments at various points in a statically indeterminate structure are adjusted to reflect more realistic behavior under loading, enhancing ductility and safety.
However, continuous slabs and continuous beams are specific exceptions where moment redistribution is not typically allowed.
According to the IS Code 456:2000 (Clause 22.5.1), no moment redistribution is permitted for these elements.
This restriction is due to the nature of load distribution and support conditions in continuous slabs and beams, where the moments are more uniformly spread and closely aligned with the elastic analysis assumptions.
Consequently, for continuous slabs, designers must use the elastic moments derived directly from structural analysis without any adjustments for moment redistribution, ensuring structural safety and performance.
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