Two tangents having an azimuth of 235° and 277° meet at station 30+28.212 are connected by a 330ft spiral curve with a 5° circular curve used for light rail transit. a) Determine the difference between the external distance of the spiral and the central curve. b) Determine the minimum super-elevation of the curve at the two-thirds of the spiral with the railway width of 15ft. If g= 32.2 ft/s^2 c) Determine the stationing of the S.T.
Two tangents having an azimuth of 235° and 277° meet at station 30+28.212 are connected by a 330ft spiral curve with a 5° circular curve used for light rail transit. a) Determine the difference between the external distance of the spiral and the central curve. b) Determine the minimum super-elevation of the curve at the two-thirds of the spiral with the railway width of 15ft. If g= 32.2 ft/s^2 c) Determine the stationing of the S.T.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Two tangents having an azimuth of 235° and 277° meet at station 30+28.212 are connected by a 330ft spiral curve
with a 5° circular curve used for light rail transit.
a) Determine the difference between the external distance of the spiral and the central curve.
b) Determine the minimum super-elevation of the curve at the two-thirds of the spiral with the railway width of 15ft. If g= 32.2 ft/s^2
c) Determine the stationing of the S.T.
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