By assuming linear speed-density relationship, the jam density on a highway facility is observed to be about 150 veh/km, and the mean speed on a lane equals 50 kmph near zero density. a. Write down the speed-density and flow-density equations. b. Draw v-k, v-q and q-k diagrams indicating critical values. c. Compute the average clearance, if the avg. length of vehicle is assumed 6 m. d. Compute the speed and density corresponding to a flow of 1000 veh/hr.
By assuming linear speed-density relationship, the jam density on a highway facility is observed to be about 150 veh/km, and the mean speed on a lane equals 50 kmph near zero density. a. Write down the speed-density and flow-density equations. b. Draw v-k, v-q and q-k diagrams indicating critical values. c. Compute the average clearance, if the avg. length of vehicle is assumed 6 m. d. Compute the speed and density corresponding to a flow of 1000 veh/hr.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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By assuming linear speed-density relationship, the jam density on a highway facility is observed to be about
150 veh/km, and the mean speed on a lane equals 50 kmph near zero density.
a. Write down the speed-density and flow-density equations.
b. Draw v-k, v-q and q-k diagrams indicating critical values.
c. Compute the average clearance, if the avg. length of vehicle is assumed 6 m.
d. Compute the speed and density corresponding to a flow of 1000 veh/hr.
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