Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 20, Problem 6P
To determine
Pumping definition and its effects on rigid pavements.
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4- Describe the characteristics and functions of the top layer in a pavement system.
) Flexible pavements suffer from loss of flexibility with aging and become brittle. Explainhow this happens and how it could be treated.
Q#3.
Discuss root causes and remedial measures of the following distresses occurring in flexible pavements:
Slippage failure, Potholes, Rutting and its types, Bitumen bleeding
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 rigid pavement is designed with a 11-inch slab, an E_c of 6 million Ib/in^2, a concrete modulus of rupture of 432 Ib/in^2, a load transfer coefficient of 3.0, an initial PSI of 4.50, and a TSI of 2.5. The overall standard deviation is 0.56, the modulus of subgrade reaction is 190 Ib/in^3, and a reliability of 90% is used along with a drainage coefficient of 0.87. The pavement is designed assuming that traffic is composed entirely of trucks (50 per day). Each truck has one 20-kip single axle and one 42-kip tandem axle (the effect of all other vehicles is ignored). A section of this road is to be replaced (due to different subgrade characteristics) with a flexible pavement having a SN of 5 and is expected to last the same number of years as the rigid pavement. What is the assumed soil resilient modulus? (Assume that all other factors are the same as for the rigid pavement). Please report your answer as a decimal in units of Ib/in^2. For example, report 3000.6 Ib/in^2 as 3000.6.arrow_forwardList all serviceability of subgrade and pavement in civil engineering.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_forward
- Discuss various tests used for the quality of aggregate used in flexible pavements.arrow_forward2. What are various failures in Flexible Pavement’s, explain with the help of diagrams?arrow_forwardDiscuss the following terms briefly: I. Emulsion breaking and Cutback curing, III. Flexible pavement and Rigid pavements, VII. Breast wall and retaining wall.arrow_forward
- What is the purpose of pavement structure? Discuss various layers in structure of flexible pavement in detail.arrow_forwardEx/ Comparison Between Flexible and Rigid Pavements ? Comprehensive comparisonarrow_forwardWrite the significance of each layer of flexible pavement in a single line. B) Describe the one most important factor of causing failure of highway subgradearrow_forward
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