Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 26P
The arrival times of vehicles at the ticket gate of a sports stadium may be assumed to bePoisson with a mean of 30 mi/h. It takes an average of 1.5 min for the necessary tickets to be bought for occupants of each car.
(a) What is the expected length of queue at the ticket gate, not including the vehicle being served?
(b) What is the probability that there are no more than 5 cars at the gate, including the vehicle being served?
(c) What will be the average waiting time of a vehicle?
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2: A (4m*8m) rectangular flexible
foundation is placed above the ground surface for
two layers of clay, for each layer 12m thick, The modulus
of Elasticity (Eu) of the upper layer is 15 MN/m² and that
of the lower is 25 MN/m². The Poisson ratio is (M = 0.35
35)
for the two layers and the Column load is 90 KN. Determine
the immediate settlement at the Corner of the foundation
using Elastic theory method?
11: A
Square foundation is required to Carry a total
load of 660 KN in cohesionless soil. The water table
locates at the base of foundation. Determine the width
of the foundation? (Use Terzaghi equation).
Note:
Jd=18 kN/m²
3
Depth of foundation = 1.2 m
Factor of Safety = 3
0° = 25
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3
= 20 KN/m³
3
Ow = 10 kN/m²
Assume the allowable bearing Capacity is equal to
the actual bearing Capacity (I actual).
HW: Design a rectangular sedimentation tank
that will treat 1500 m³/d, the smallest particle to
be 100% removed is 0.03 mm in diameter. The
detention time is 3 hrs, inlet flow velocity is 96
m/d, knowing that p of water =1000 kg/m³, μ of
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Chapter 6 Solutions
Traffic and Highway Engineering
Ch. 6 - Prob. 1PCh. 6 - Prob. 2PCh. 6 - Prob. 3PCh. 6 - Prob. 4PCh. 6 - Prob. 5PCh. 6 - Prob. 6PCh. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 9PCh. 6 - Prob. 10P
Ch. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - Prob. 14PCh. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - Prob. 17PCh. 6 - Prob. 18PCh. 6 - Prob. 19PCh. 6 - Prob. 20PCh. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - Prob. 23PCh. 6 - Prob. 24PCh. 6 - Prob. 25PCh. 6 - The arrival times of vehicles at the ticket gate...Ch. 6 - Prob. 27P
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