Please HelpI have an example problem attached so it's a little bit easier Thank You A single-lane racetrack is being constructed with a 150 mph design speed. A curve on thistrack has a radius of 4500 ft, central angle of 30 degrees, and a PI located at station 150+40.If the coefficient of side friction is 0.3, what superelevation is required for safe vehicle travelat the design speed? Also, determine the length of the curve and station of the PC and PT.Example Below:A single-lane racetrack is being constructed with a 170 mph design speed. A curve on thistrack has a radius of 4600 ft, central angle of 30 degrees, and a PI located at station 1100-50.If the coefficient of side friction is 0.32, what superelevation is required for safe vehicletravel at the design speed? Also, determine the degree of curvature, length of the curve andstation of the PC and PT.Single laneV = 170mph = 249.3fpsR = 4600ft; A= 30⁰;PI = 1100 + 50; f = 0.32Single lane Ry = RV²€8(fs + 100)Ry= R=-T= Rx tan→ 4600 =e = 10A302x tan= =4600 x tan = 1232.6ftPI = PC +T PC (1100+50)-(12+ 32.6)PC = 1088 +17.4D=249.3²32.2 (0.32 + 100)17L= -RA=180(4600)(30) = 2408.6ft180PT = PC + L = (1088 +17.4)+(24+08.6) 1112+2618000 18000#Rx(4600)== 1.24°

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A single-lane racetrack is being constructed with a 150 mph design speed. A curve on this track has a radius of 4500 ft, central angle of 30 degrees, and a PI located at station 150+40. If the coefficient of side friction is 0.3, what superelevation is required for safe vehicle travel at the design speed? Also, determine the length of the curve and station of the PC and PT.

A single-lane racetrack is being constructed with a 150 mph design speed. A curve on this track has a radius of 4500 ft, central angle of 30 degrees, and a PI located at station 150+40. If the coefficient of side friction is 0.3, what superelevation is required for safe vehicle travel at the design speed? Also, determine the length of the curve and station of the PC and PT.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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