1. Linear methods of setting out curves

Try these first

1. 1.

   Define what a long chord is.

   Hint

   Think about what connects the endpoints of a circular path.

2. 2.

   What does the term 'offset' refer to in curve setting?

   Hint

   Consider how we measure the distance from a chord to a curve.

3. 3.

   What is a long chord?

   • A straight line between two points on a circle
   • A curve segment
   • A circular arc

   Hint

   Think about what connects the endpoints in geometry.

4. 4.

   True or False: The versine is the distance from the chord to the arc of a circle.

   • True
   • False

   Hint

   Recall the relationship between the chord and the arc.

5. 5.

   Design a curve for a road with a radius of 100m. Calculate the offsets needed if the long chord is set for 20m segments along the curve.

   Hint

   Utilize coordinates and the relationship derived from R and x.

6. 6.

   You face contoured land requiring multiple curve settings. Describe how you would apply at least two methods from the section to achieve accuracy.

   Hint

   Consider practicality in measuring and setting out in challenging areas.