# What is a circular curve in surveying?

**What is a circular curve in surveying?**In

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A **circular curve** is a segment of a circle — an arc. The sharpness of the **curve** is determined by the radius of the circle (R) and can be described in terms of “degree of **curvature**” (D). Degree of **curvature** is not used when working in metric units.

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Regarding this, what is a curve in surveying?

Definition of **Curves**: **Curves** are regular bends provided in the lines of communication like roads, railways etc. and also in canals to bring about the gradual change of direction. They are also used in the vertical plane at all changes of grade to avoid the abrupt change of grade at the apex.

Similarly, what is simple circular curve? It is a **curve** consists of a single arc with a constant radius connecting the two tangents. ? It is a type of horizontal **curve** used most in common. ? A **simple** arc provided in the road or railway track to impose a **curve** between the two straight lines is the **simple circular curve**.

Beside above, wHAT IS curve point?

Definition of **point** of curvature. The **point** where the alignment changes from a straight line or tangent to a circular **curve**; i.e., the **point** where the **curve** leaves the first tangent.

What are the types of curves?

**Types of Horizontal Curve:**

- Simple Curve: A simple arc provided in the road to impose a curve between the two straight lines.
- Compound Curve: Combination of two simple curves combined together to curve in the same direction.
- Reverse Curve:
- Transition or Spiral Curve:
- Sag Curve.
- Crest Curve/Summit Curve.

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