Page 98 - iRAD Training Manual IITM
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iRAD Software Application – Training Manual
RBG Labs, IIT Madras
The simple curve is an arc of a circle. The radius of the
circle determines the sharpness or flatness of the curve
This curve normally consists of two simple curves
joined together and curving in the same direction.
A reverse curve consists of two simple curves joined
together, but curving in opposite direction.
It is a curve that has a varying radius Its purpose is to
A deviation curve is simply a combination of provide a transition from the tangent to a simple curve or
two reverse curves. between simple curves.
iRAD App Training Manual, April, 2021 Page 97
