Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 21, Problem 9P
To determine
The methods of static and dynamic deflection of pavement and tests used in pavement rehabilitation management.
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Traffic and Highway Engineering
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- Describe these five (5) types of pavement deformations (A-E) and then discuss the causes and propose the proper solutions of each type.arrow_forwardBriefly explain the process of constructing a pavement using roller-compacted concrete (RCC). What are the advantages and disadvantages of this method of construction?arrow_forwardDiscuss various tests used for the quality of aggregate used in flexible pavements.arrow_forward
- Question number (26) Highway Engineering civil engineeringarrow_forwarda) As a pavement inspector, you are assigned to assess a pavement condition. Following photographs were taken during a survey from 2 locations of the pavement. Figure 1: Location 1 Figure 2: Location 2 Describe these distresses with possible causes and repair techniques.arrow_forwardCan you give me an example or problem set with solution for rigid pavements?arrow_forward
- Discuss the pros and cons of JPCP versus JRCP. What is meant by the mechanistic-empirical method of pavement design? Is it possible to develop a wholly mechanistic method of pavement design? Why?arrow_forwardMechanistic design procedure is based on the assumption that a pavement can be modelled as multi-layered elastic or viscoelastic. Discuss the combination of Visco-elastic considerations assumption in pavement design procedure.arrow_forward2. What are various failures in Flexible Pavement’s, explain with the help of diagrams?arrow_forward
- DESIGN OF A RIGID PAVEMENT1. Give a summary of rigid pavement design procedure by AASHTO method (1993), anddescribe the variables used in the method.2. Explain the CBR test; how to conduct the test and its purposes. Where are the usages oftest results in practical applications? Explain its advantages and disadvantages.3. Determine the thickness of a rigid pavement (thickness of concrete slab) by using thedata provided below:DATA PROVIDED:1. Cumulative 18kips ESAL = 5.000.0002. Overall standard deviation = 0.33. Reliability = 95%4. Design serviceability loose =1.75. Drainage coefficient = 16. Load transfer coefficient = 3.27. Mean concrete modulus of rupture = 650 psi8. Elastic modulus of the concrete to be used = 5.000.000psi9. Results of CBR test on subgrade material in the laboratory (Table 1):10. Standard force-penetration data.arrow_forwardThe following are the results of pavement distress survey: Distresses identified are: Alligator cracks, patching, raveling and bleeding. The corresponding factors are: 2.4, 2.0, 2.1, 1.5, respectively. The weights are: 9, 6, 3, 3, respectively. Compute the distress rating.arrow_forwardRepeat Problem 19-7 using two different depths of untreated aggregate bases of 6 in. and 12 in. Highway contractors in your area can furnish rates for providing and properly laying an asphalt concrete surface and untreated granular base. Assume a structural coefficient of 0.12 for the base course. If these rates are available, determine the cost for constructing the different pavement designs if the highway section is 5 miles long and the lane width is 12 ft. Which design will you select for construction?arrow_forward
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