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Civil Engineering
A freeway has a capacity of 7500 veh/h in one direction that has three lanes. In one morning, traffic arrived at 3300 veh/h. At t = 15 minutes, a crash occurred and blocked all the lanes. At t = 60 minutes, police opened two lanes. The capacity of the two lanes, V₂, was unknown but the queue disappeared at t = 120 minutes. Draw the cumulative arrival and cumulative discharge curves versus time and determine V2, and the maximum queue length. Hint: convert all the volume and capacity to the unit of vehicles per minute when drawing the curves.

A freeway has a capacity of 7500 veh/h in one direction that has three lanes. In one morning, traffic arrived at 3300 veh/h. At t = 15 minutes, a crash occurred and blocked all the lanes. At t = 60 minutes, police opened two lanes. The capacity of the two lanes, V₂, was unknown but the queue disappeared at t = 120 minutes. Draw the cumulative arrival and cumulative discharge curves versus time and determine V2, and the maximum queue length. Hint: convert all the volume and capacity to the unit of vehicles per minute when drawing the curves.

Structural Analysis
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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= A freeway has a capacity of 7500 veh/h in one direction that has three lanes. In one morning, traffic arrived at 3300 veh/h. At t 15 minutes, a crash occurred and blocked all the lanes. At t = 60 minutes, police opened two lanes. The capacity of the two lanes, V2, was unknown but the queue disappeared at t = 120 minutes. Draw the cumulative arrival and cumulative discharge curves versus time and determine V₂, and the maximum queue length. Hint: convert all the volume and capacity to the unit of vehicles per minute when drawing the curves.
Transcribed Image Text:= A freeway has a capacity of 7500 veh/h in one direction that has three lanes. In one morning, traffic arrived at 3300 veh/h. At t 15 minutes, a crash occurred and blocked all the lanes. At t = 60 minutes, police opened two lanes. The capacity of the two lanes, V2, was unknown but the queue disappeared at t = 120 minutes. Draw the cumulative arrival and cumulative discharge curves versus time and determine V₂, and the maximum queue length. Hint: convert all the volume and capacity to the unit of vehicles per minute when drawing the curves.
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