A road is passing through a hilly area with horizontal curve.If the superelevation provided is 1 in 10 and the coefficient of lateral friction is 0.16, the minimum radius of the horizontal curve which the vehicles can negotiate safety at a speed of 40 kmph in metres 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 traverses 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 (θ) 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 highway curve with a radius of 600 m is to be banked for a speed of 80 km/hr. What should be theangle of bank so that at the design speed, there will be no frictional force necessary on the tire in adirection perpendicular to the plane of rolling?The radius of a highway curve is 120m, and has an angle of 9.31° from the horizontal. The center of gravity of the car is located 0.80m above the roadway and the distance between the two front wheels is 1.2m. If the car has a total weight of 15KN, a. Determine the normal acceleration and the velocity (in kph) of the car before overturning? b. Find the maximum velocity of the car could move along the curve so that there will be no outstanding pressure between the tires and the roadway. c. If the coefficient of kinetic friction is 0.60, what is the maximum velocity (in kph) of the car without sliding?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.
- Use 3 decimal places. The 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 highway curve has a super elevation of 7degrees. Find the radius of curve in meters so that there will be no lateral pressure between the tires and the roadway at a speed of 40 mph.When aligning a highway in a traffic area, it is necessary to provide a horizontal circular curve of radius 295 m , if the design speed is 60 kph , determine the superelevation rate. ( Superelevation to fully counteract centrifugal force use only 75% of the design speed).
- A vehicle traveling at a speed of 80kph accelerates at 3.41 m/s^2. The perception reaction time for the driver is 2.5sec. if the maximum grade of a road is -4% hint: use the acceleration for solving friction note: V1 = V2 1.) Compute the minimum sight distance 2.) Compute the length of the curve with a backward tangent of 6%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 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?