Mathematics · Transportation Engineering
A road bend deflecting by 80° is to be designed for a maximum speed of 2 km/min (120 km/h), maximum centrifugal ratio of 0.25, and a rate of change of radial acceleration of 300 mm/s3 (0.3 m/s3). If the circular arc is combined with two cubic spirals, what is the approximate radius of the circular arc?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1272.42 m
- 2905.00 m
- 3360.15 m
- 4453.00 m✓
Correct answer
453.00 m
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