By assuming a linear speed-density relationship, the mean free flow speed in a highway lane equals 55 mph, and the jam density is observed to be 170 vpm. a. Plot the q-k-u curves (3 curves). b. Write down the speed-density and flow-density equations. c. Compute the maximum flow.
By assuming a linear speed-density relationship, the mean free flow speed in a highway lane equals 55 mph, and the jam density is observed to be 170 vpm. a. Plot the q-k-u curves (3 curves). b. Write down the speed-density and flow-density equations. c. Compute the maximum flow.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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By assuming a linear speed-density relationship, the mean free flow speed in a highway lane equals 55 mph, and the jam density is observed to be 170 vpm.
a. Plot the q-k-u curves (3 curves).
b. Write down the speed-density and flow-density equations.
c. Compute the maximum flow.
d. Compute speeds and densities corresponding to a flow of 900 vph.
e. Calculate average headway, gaps, clearance, and spacing at maximum flow and at jam density.
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