A simple curve us to be designed for a maximum speed of 90kph. The coefficient of friction between the tires and the pavement is 0.40. If the superelevation is limited to 12%, determine the degree of curvature. Use arc basis.

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So1? max. speed V=90 kphcoeft. of friction blw paversent & tytes =y=0.40Buper-elevation e=12%Degree of urve, D= ?using ard basis: Metric system: 1 station =20m(20 )/(D)=(2pi R)/(36 ... See the full answer