Horizontal Curve Lay-out

Low-Volume Road Design

FE 346

Winter Quarter

 

 

  1. Deflection Method

2. Middle Ordinate Offset (Stick Method)

3. Curve has to fit through fixed point

4. From PI to 1/4 points on curve

5. Fitting Curve to 3 Tangents

6. Tangent Off-set

7. Chord Off-set

8. Staking curve with External