Answered: C. A data was gathered for the 10…

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. On a six-lane EDSA, an observer is stationed at a certain spot. All of the cars in lane 1 are moving at a speed of 75 kph, 62 kph in lane 2, and 100 kph in lane 3, 65 kph in lane 4,80 in lane 5 and 90 for the bus lane respectively. In addition, cars are kept at a constant 85-meter distance between. What will be the time-mean speed and space- mean speed for such a traffic stream based on the acquired spot speed data for all cars as they cross the observation site for 45 minutes? B. Vehicles are known to arrive according to a Poison process at a specific spot on a highway. Vehicles are tallied at 20-second intervals, with 150 of these intervals being 20-second intervals. In 20 of the 150 periods, no automobiles have arrived. Estimate the number of these 150 intervals in which four automobiles arrive at the same time. C. A data was gathered for the 10 vehicles passing in Katipunan Intersection every 15 seconds. Determine the Density, Flow of traffic per hour and space and time mean speed. D. When an incident occurs that causes two lanes to be closed, a three-lane highway in one direction is carrying a total volume of 4700 veh/h. Calculate the maximum queue length, total delay, number of vehicles impacted by the event and average individual delays if the highway's capacity is 2550 veh/h/In. It takes 120 minutes to clear the obstacle

A. On a six-lane EDSA, an observer is stationed at a certain spot. All of the cars in lane
are moving at a speed of 75 kph, 62 kph in lane 2, and 100 kph in lane 3, 65 kph in lane
4, 80 in lane 5 and 90 for the bus lane respectively. In addition, cars are kept at a
constant 85-meter distance between. What will be the time-mean speed and space-
mean speed for such a traffic stream based on the acquired spot speed data for all
cars as they cross the observation site for 45 minutes?
B. Vehicles are known to arrive according to a Poisson process at a specific spot on a
highway. Vehicles are tallied at 20-second intervals, with 150 of these intervals being
20-second intervals. In 20 of the 150 periods, no automobiles have arrived. Estimate
the number of these 150 intervals in which four automobiles arrive at the same time.
C. A data was gathered for the 10 vehicles passing in Katipunan Intersection every 15
seconds. Determine the Density, Flow of traffic per hour and space and time mean
speed. "
Vehicle Distance "S*
99m
95 m
1.
2
3
96 m
94 m
96 m
6.
99 m
93 m
92 m
98 m
97 m
7
8
10
D. When an incident occurs that causes two lanes to be closed, a three-lane highway in
one direction is carrying a total volume of 4700 veh/h. Calculate the maximum queue
length, total delay, number of vehicles impacted by the event and average individual
delays if the highway's capacity is 2550 veh/h/In. It takes 120 minutes to clear the
obstacle.

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