Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 20, Problem 10P
To determine
The tensile stress imposed at day by wheel load of concrete pavement.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
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)
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.
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
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
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- 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_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_forward1. Given concrete has density of 2000 kg/m3 and coefficient of friction 0.45,determine the minimum thickness, b, of the levee such that it does not slide. Recall the frictional force is given by the product of the the coefficient of friction and the weight of the object. Assume the width of the levee (i.e., the dimension into the page) is w = 1 m. 2. Is this thickness enough to prevent the levee from overturning about its toe?arrow_forward
- The following data are recorded from a Bending Beam Rheometer test on asphalt binder:• Test temperature = - 1 8.0°C• Beam width = 12.70 mm• Beam Thickness = 6.35 mm• Distance between beam support = 102 mm. Assuming the load and length of the beam are constants throughout the test:a) Plot the relationship between deflection and time.b) Plot the relationship between stiffness S(t) and time (t) on a logarithmic scale.c) Fit a second degree polynomial regression equation to the Log(S(t)) Vs. Log(t)relationship established in part (b) above.d) Use the regression equation to find the rate at which the creep stiffness changes withloading (m(t)) at the time increments shown in the above table.e) Demonstrate whether this asphalt meets the Superpave requirements for low temperaturecracking or not. Please show all work and explanationarrow_forwardA tyre with 230 kPa air pressure distributes a load over an area with circular contact radius of 200 mm. The pavement was constructed with a material that has a modulus of elasticity of 450 MPa and a Poisson's ratio of 0.40 Calculate the radial-horizontal stress and deflection at a point on the pavement surface under the center of the tyre load. [Function values table: A=1.0; B=0; C=0; F=0.5; H=2.0]arrow_forwardThe thickness of a concrete pavement slab is 20 cm and has modulus of elasticity and Poisson's ratio of 3x105 kg/cm2 and 0.15, respectively. Determine the radius of relative stiffness of the slab if it is resting on a subgrade of 5 kg/cm3 modulus.arrow_forward
- 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 "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_forwardConsider a bar with a rectangular cross-section area with a thickness of t = 0.5 in. and height of h = 3.5 in. When force P = 19 kips is applied to the bar, the strain gages attached to the surface of the bar reads εx = 740 µε along the direction of the force and εy = -170 µε in the perpendicular direction. Determine Poisson's ratio for this specimen? Determine the modulus of elasticity for this specimen?in Ksiarrow_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
- Define Effective Stress and discuss its importance in soil mechanics.arrow_forwardSURFACE MOISTURE OF FINE AND COARSE AGGREGATE Pycnometer or Flash Method make up computation, make one Mass of specimen (S) Mass of pycnometer + water (C) Mass of pycnometer + water + specimen (W) Mass of displaced water (V) Specific Gravity, G 2.86 D = S/G % surface moisturearrow_forwardA tyre with 230 kPa air pressure distributes a load over an area with circular contact radius of 200 mm. The pavement was constructed with a material that has a modulus of elasticity of 450 MPa and a Poisson's ratio of 0.40. 1.1 Calculate the radial-horizontal stress and deflection at a point on the pavement surface under the center of the tyre load. [Function values table: A = 1 B = 0 C = 0 E = 0.5 H = 2 ] Wrong answer will be instantly downvoted, don't attempt if not sure .arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage Learning
Traffic and Highway Engineering
Civil Engineering
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning