Degree of curvature

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This article describes the measure of curvature. For other meanings, see degree (angle)

Degree of curve or degree of curvature is a measure of curvature used in civil engineering for its easy use in layout surveying.

A n-degree curve turns n degrees over some agreed-upon distance. The usual distance is 100 feet of chord, but 100 feet of arc is also common, and other lengths—such as 100 metres where SI is favoured, or a shorter length for sharper curves. One should ensure that the "method" or "definition" (arc or chord) and the base length are set out before discussing precise details.

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Note the variation in usage among these samples.

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