Mathematics · Transportation Engineering
Calculate the ruling minimum radius of a horizontal curve along a national highway in plain terrain if the ruling design speed is 100 km/h. Take the maximum allowable superelevation rate as 7%, design coefficient of lateral friction as 0.15, and acceleration due to gravity as 9.8 m/s2.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1185.72 m
- 2284.98 m
- 3420.44 m
- 4357.89 m✓
Correct answer
357.89 m
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