Principles of Highway Engineering and Traffic Analysi (NEW!!)
6th Edition
ISBN: 9781119305026
Author: Fred L. Mannering, Scott S. Washburn
Publisher: WILEY
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Chapter 4, Problem 17P
To determine
The design life of the rigid pavement for drainage coefficient
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26. Refer to Figure 8 Design 1A attached. For the design of a 4-lane interstate highway, the damage analysis
shown in the figure was performed for a 9.5-inch thick slab according to the PCA design approach. This
analysis indicates that the 9.5-inch thick slab:
a. Only satisfies the fatigue damage condition
b. Only satisfies the erosion damage condition
c. Satisfies both fatigue damage and erosion damage conditions.
d. None of the above
the
None
Q3: Evaluate whether Sin of slab thickness for rigid pavement will be adequate on a rural
expressway for 20-year analysis period if design criteria are as follows: (30 Marks)
Pi = 4.5, Pi=2.5, ESAL over design period = 10* 10, Concrete Elastic modulus, E, 6.5*10
Ib/in', Mean Concrete modulus of Rupture 800 Ib/in', Drainage Coefficient C= 1.0, R=0.95,
S. = 0.3, K = 100 Ib/in', Load transfer coefficient 3.2
Chapter 4 Solutions
Principles of Highway Engineering and Traffic Analysi (NEW!!)
Ch. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10P
Ch. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32P
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- 1.What are types to Design the Rigid pavement.2. How these designs are differ to each other.3. Which one is better on basis of different factors which are main considerations to construct a road?4. Write the complete process to design a flexible road with any one of design configuration. You have to select a road (case study) from your area and give a detailed description from A~Z.Try to get help from the local authorities and departments from your area and make a detailed Report on that patch/Road. From feasibility report, tender, bidding, selection of contract, award of contract, then selection of construction techniques, including all design details, who is consultant, who is client, budget, professional documentation,Till operate the road. WRITE a detailed REPORT on thisarrow_forward6- Mention and describe four geotechnical parameters in AASHTO's empirical design method separately for each of asphalt and concrete pavements.arrow_forward6.1 A set of dual tires is spaced at 34 in. center to center and carries a total load of 45,000 lb with a tire pressure of 100 psi. Assuming the pavement to be a homogeneous half-space, determine the ESWL for a pavement of 25 in. using (a) the Boyd and Foster method, (b) the Foster and Ahlvin method, and (c) Huang's chart based on equal contact radius. [Answer: 32,200 lb, 32,800 lb, 32,800 lb]arrow_forward
- Q: Discuss various Design, Construction, and Supervision factors causing pavement failures? Subject: Pavement Structure and design. Program: MS in Transportation Engineeringarrow_forwardQ: Evaluate whether 9in of slab thickness for rigid pavement will be adequate on a rural expressway for 20-year analysis period if design criteria are as follows: Pi = 4.5 Pt =2.5 ESAL over design period = 6* 10 Concrete Elastic modulus, Ee = 5*106 Ib/in? %3D Mean Concrete modulus of Rupture 700 Ib/in? Drainage Coefficient Ca = 1.0 R = 0.95 So = 0.3 K = 170 Ib/in %3D Load transfer coefficient = 3.2arrow_forwardRoad engineeringarrow_forward
- A homogeneous half-space pavement is loaded by a set of dual tires that carries a total load of 60,000 lb with a tire pressure of 150 p inches. Determine the ESWL for a based on equal contact radius. The clearance between the dual tires is 8 Soci avement of 20 inch in thickness using Huang's chartarrow_forwardDescribe the pavement design. Discuss are the main features of rigid and flexible pavement.arrow_forward12. Refer to Figure II-1 attached. A flexible pavement is to be evaluated according to the AASHTO 1972 design guide. The existing pavement has a weighted structural number=3.4, a regional factor=2.0, and a soil support value=4.5. What would be the approximated number of daily equivalent 18-kip axles to be allowed on this road for a 20-year analysis period?a. 10b. 33c. 100d. 1490arrow_forward
- List all serviceability of subgrade and pavement in civil engineering.arrow_forwardi need an answer immediately thank you Design the thickness of a pavement to carry a wheel load of 52kN based on the following conditions and type of pavement. 3. A flexible pavement with an allowable subgrade pressure of 0.14MPa and the max. tire pressure equal to 0.52MPa. This pressure is assumed to be uniformly distributed over the area of tire contact on the roadway according to the principle of cone pressure distribution.arrow_forwardQuestion is in the image.arrow_forward
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