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CIRCULAR CURVES TYPES, simple curve, compound curve, reverse curve,…
CIRCULAR CURVES TYPES
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REVERSE CURVE
A reverse or serpentine curve is made up of two arcs having equal or different radius bending in opposite direction with a common tangent at their junction .
They are commonly used in railway sidings and sometimes on railway tracks and roads meant for low speeds.
SIMPLE CIRCULAR CURVE
A simple curve Consists of a single arc of circle connecting two straights. It has radius of the same magnitude throughout.
COMPOUND CURVE
A compound Curve consists of two or more simple curves having different radius bending in the same direction and lying on the same side of the common tangent. Their centres lie on the same side of the curve.
DEVIATION CURVE
A deviation curve is simply a combination of two reverse curves. it is used when it becomes necessary to deviate from a given straight path in order to avoid intervening obstructions such as bend of river, a building , etc.
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