The superelevation required at a horizontal curve of radius 300 𝑚, for a design speed of 80 km/ℎ𝑟 and coefficient of lateral friction of 0.15 will be nearly:
A. 1 in 55.6
B. 1 in 50.4
C. 1 in 48.6
D. 1 in 42.6
Answer:A
The superelevation required at a horizontal curve of radius 300 𝑚, for a design speed of 80 km/ℎ𝑟 and coefficient of lateral friction of 0.15 will be nearly:
A. 1 in 55.6 B. 1 in 50.4 C. 1 in 48.6 D. 1 in 42.6