What is the coefficient of side friction for a horizontal curve with a design speed of 70 mph?
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- What is the absolute minimum radius of curve for safe operation at a speed of 110 kph? a. 440 m b. 110 m c. 220 m d. 570 mA horizontal curve has a design speed of 50 mph. If e = 0.10 and f = 0.16, find the degree of curve.Round off your answer to two decimal places. Answer: _____degreesA horizontal curve has a design speed of 51 kph. If e = 0.07 and f = 0.5, find the degree of curve in degrees. Express your answer in 2 decimal places.
- A horizontal curve in an urban area is being designed for 40 mph. If there is a maximum radius of 500 feet, what is the necessary super-elevation? Is this value feasible?The radius of the horizontal curve is 280 m. long having a super elevation of 0.06. How fast can a car move along the curve in kph if it has a coefficient of lateral friction equal to 0.12. a. 88.87 kph b. 88.78 kph c. 77.87 kph d. 77.78 kphdetermine the degree of the circular curve. if the maximum allowable speed of a car that could travel a circular curve is 85 kph and the impact factor is 0.17.
- at what maximum speed in kph, could a car pass through a spiral easement curve without overturning if the raidus of the central curve is 180m and the superelevation is 0.12m per meter of roadway?The ascending of a vertical curve is 1/45 and descending gradient is 1/55. If the design speed is 60 km/hr and rate of change of acceleration of 0.4 m/s3, calculate the minimum length of the curve.What is the minimum radius of a curve which has a design speed of 100kph, and superelevation of 5%
- 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 minimum radius of the curve is 216 meters, and the value of coefficient of friction and superelevation combined is equal to 0.8. What should be the maximum design vehicle speed at the curve in order for road users to safely traverse it?Compute the length of a vertical summit curve having tangent grades of 3% and -3% if the passing sight distance is 160m The correct answer is: 550.8 ft Note: the answer is provided please provide solutions so that we can understand how to get 550.8 ft thank you