The length of log chord in a circular curve is equal to:
Where ‘R’ is the radius of the curve, ‘φ’ is the defection angle.
1
R sin φ
2
R cos φ
3
\(2{\rm{Rsin}}\frac{{\rm{\varphi }}}{2}\)
4
\(2{\rm{R}}\cos \frac{{\rm{\varphi }}}{2}\)
The length of log chord in a circular curve is equal to:
Where ‘R’ is the radius of the curve, ‘φ’ is the defection angle.