Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 20, Problem 8P
To determine
The tensile stress imposed at night by wheel load of a concrete pavement.
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The concrete pavement has an expansion pressure of 1050 kg/m^2 and a pavement density of 2700 kg/m^3, determine thickness of the pavement (in mm). Round up answer. (e.g., 265.8 = 270, 262.3=265)
STRENGTH OF MATERIALS. Please show the complete solutions. NO LONG EXPLANATION NEEDED! Rate will be given. Answer ASAP! Please answer all.
MULTIPLE CHOICE: CHOOSE THE CORRECT ANSWER
Using MOHR CIRCLE, what is the resulting "VERTICAL" NORMAL STRESS at the given angle plane point?
a. 44.03 MPa
b. 75.00 MPa
c. 64.32 MPa
d. 185.68 MPa
A tire load with an air pressure of 132.6 psi and weighing 15,000 lbs is in contact with a flexible pavement that has the following properties:
Modulus of elasticity: 45,000 psiPoisson ratio: 0.58
a. Calculate the stress at a depth of 4 in. and radial distance of 6 in. using Boussinesq equation.
b. Calculate the vertical stress, radial stress, and deflection on the pavement surface under the center of the load.
c. Calculate the vertical stress, radial stress, and deflection at a depth of 4.8 in and radial distance of 7.2 in.
Chapter 20 Solutions
Traffic and Highway Engineering
Ch. 20 - Portland cement concrete consists of what four...Ch. 20 - List and briefly describe the five main types of...Ch. 20 - What is the main requirement for the water used in...Ch. 20 - Prob. 4PCh. 20 - Prob. 5PCh. 20 - Prob. 6PCh. 20 - Prob. 7PCh. 20 - Prob. 8PCh. 20 - Prob. 9PCh. 20 - Prob. 10P
Ch. 20 - Prob. 11PCh. 20 - Prob. 12PCh. 20 - Repeat Problem 20-12, with the slab containing...Ch. 20 - Prob. 14PCh. 20 - Prob. 15PCh. 20 - Prob. 16PCh. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - An existing rural 4-lane highway is to be replaced...Ch. 20 - Prob. 20PCh. 20 - Prob. 21PCh. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - Prob. 24PCh. 20 - Prob. 25PCh. 20 - Prob. 26PCh. 20 - Prob. 27P
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- A 400 N bag of cement starts from rest and slides 12 m down a roof with a slope of 3 horizontal to 1 vertical and a coefficient of friction of 0.20. If the vertical distance from the edge of the roof to the ground is 10 m, how far from the wall will the bag of cement strike the ground?arrow_forwardSTRENGTH OF MATERIALS. Please show the complete solutions. NO LONG EXPLANATION NEEDED! Rate will be given. Answer ASAP! Please answer all. MULTIPLE CHOICE: CHOOSE THE CORRECT ANSWER Using MOHR CIRCLE, what is the resulting "HORIZONTAL" SHEARING STRESS at the given angle plane point? a. 44.03 MPa b. 64.32 MPa c. 185.68 MPa d. 75.00 MPaarrow_forwardA steel pipe of length L =7.0 ft, outside diameter d2 = 6.0 in., and inside diameter d1 = 4.5 in. is compressed by an axial force P 140 kN. The material has modulus of elasticity E = 30,000 ksi and Poisson's ratio v = 0.30. Determine the following quantities for the pipe: (a) the shortening (delta) (b) the lateral strain E' , (c) the increase Ad2 in the outer diameter and the increase Ad1 in the inner diameter, and (d) the increase At in the wall thickness.arrow_forward
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- Some non-Newtonian fluids behave as a Bingham plastic for which shear stress can be expressed as ? = ?y + ? (du/dr). For laminar flow of a Bingham plastic in a horizontal pipe of radius R, the velocity profile is given as u(r) = (ΔP/4? L)(r2 − R2) + (?y /? )(r − R), where ΔP/L is the constant pressure drop along the pipe per unit length, ? is the dynamic viscosity, r is the radial distance from the centerline, and ?y is the yield stress of Bingham plastic. Determine (a) the shear stress at the pipe wall and (b) the drag force acting on a pipe section of length L.arrow_forwardThe relation between Young's Modulus (E), Shear Modulus (G) and Bulk Modulus (K) is given byarrow_forwardDetermine the complete state of stress (δz , δr , δt ) using one layer theory under thecenterline of a tire having 50000 Ib load, 100psi pressure for the following depth-tireradius ratios: 0, 0.5, 2. Assume the pavement is characterized by μ = 0.5 and E =3000psi.arrow_forward
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