Question
Download Solution PDFThe transition curve used the horizontal alignment of highways as per IRC recommendation is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Transition curve is a curve in plan which is provided to change the horizontal alignment from straight to circular curve gradually means the radius of transition curve varies between infinity to R or R to infinity.
IRC recommends Spiral or clothoid as the ideal transition curve due to following reasons:
i) It satisfies that rate of change of centrifugal acceleration is constant i.e., Ls.R = constant.
Where Ls = length of transition curve R = radius of curve.
ii) The calculation and field implementation of spiral curve is simple and easy.
iii) It enhances aesthetics also.
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