Question
Download Solution PDFAccording to IS 456:2000, for limit state method of collapse in flexure, which of the following assumptions is correct?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The assumption made according to IS 456 in limit states of collapse are:
- The plane section normal to the axis remains plane after bending.
- The maximum strain in the concrete at the outermost compression fibre can be taken as 0.0035 in bending
- The tensile strength of the concrete is ignored
- The relationship between stress-strain distribution in concrete is assumed to be parabolic.
Additional InformationAs per section 5, clause no. 35.1, IS 456:2000
- The acceptable limit for the safety and serviceability requirements before failure occurs is called a Limit State.
- The limit state of collapse of the structure or part of the structure could be assessed from the rupture of one or more critical sections and from buckling due to elastic or plastic instability (including the effects of sway where appropriate) or overturning.
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