A road is being designed for a speed of 110 km/hr on a horizontal curve with a super elevation of 8%. If the coefficient of side friction is 0.10, the minimum radius of the curve (in m) required for safe vehicular movement is
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- A road is being designed for a speed of 110 km/hron a horizontal curve with a super elevation of 8%.If the coefficient of side friction is 0.10, theminimum radius of the curve (in m) required forsafe vehicular movement is..A vehicle transverses a superelevated curve at 52 kph. If the radius of the curve is 64 meters, and the coefficient of friction is equal to 0.3, calculate the angle of superelevation as measured from the horizontal.Show complete solutionThe rated speed of a highway curve of 60-m radius is 45kph. If fk between the tires and the road surface is 0.5, find the maximum speed (in kph) at which a car can round the curve without skidding.
- A vehicle travels at a speed of 80km/hr on a straight section of a road. The driver keeps increasing the speed constantly. What is the role of the curves for a vehicle travelling along with one of the straights?At what angle should a highway curve of 610-ft diameter be banked to accommodatecars travelling at 105 mph? The coefficient of friction between the tires and the road is0.55. What is the rated speed of the curve?The maximum allowable speed of a car that could travel a circular curve is 87 kph. If the impact factor is 0.20, determine the degree of the circular curve. Round off to two decimal places. Please correct answer
- 1. A curve has a super elevation of 15° with angle of friction 10°. What is the radius of the curve such that there will be no lateral pressure between the tires and the roadway at a maximum speed of 60mph? 2. A vehicle travels along a curve of radius 200 m banked at an angle of 15°. If the static coefficient of friction between the road and the tires is 0.25, determine the largest constant speed at which the vehicle will not be thrown outward the banked curve.The maximum allowable speed of a car that could travel a circular curve is 85 kph. If the impact factor is 0.21, determine the degree of the circular curve.A car is entering a curve of radius 190m with a velocity of 165kph. Determine the angle of banking of the track to prevent the 1435kg car from sliding down the track. The coefficient of friction between the tires and the track is 0.30.
- A roadway is being designed for a speed of 60 mi/h. At one horizontal curve, it is known that the superelevation is 7.0% and the coefficient of side friction is 0.10. Determine the minimum radius of curve (measured up to the traveled path) that will provide for safe vehicle operation. Use g = 32.2 ft/sec2A curving roadway has a curve with a radius of 580 m. The superelevation has been set at 0.05, angle of 65o and the coefficient of side friction is found to be 0.20. In addition, the traffic engineer has designed the speed as 100 km/hr.i. Explain whether this designed speed will provide a safe vehicle operation or not?ii. Find middle ordinate M,