EBK ENGINEERING FUNDAMENTALS: AN INTROD
5th Edition
ISBN: 8220100543401
Author: MOAVENI
Publisher: CENGAGE L
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Chapter 19, Problem 23P
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The following figure is a flexible pavement system with the resilient
moduli layer coefficients and drainage coefficients as shown. If the predicted ESAL
= 6x106, Reliability, R = 99%, Standard Deviation (So) = 0.45, and APSI = 2.5,
select thicknesses D1, D2, and D3 in accordance with the AASHTO Guide for
Design of Pavement Structures.
E₁ = 400, 000 psi; a₁ = 0.42, Thickness = D₁
E₂=30,000 psi; a₂= 0.14, m₂ = 1.2; Thickness = Dz
E=11,000 psi; a=0.08, m3 = 1.2; Thickness = D3
MR= 5,700 psi
Diagramtically show the placement, size, and spacing of temperature steels, dowel bars and tie bars in rigid pavements. Also mention their puproses in rigid pavements.
A six-lane concrete roadway is being designed for a metropolitan area. This
roadway will be constructed on a subgrade with an effective modulus of subgrade reaction k of 200 lb/in^3. The ESALs used for the design period is 6.0×10^6. Using the AASHTO design method, determine a suitable thickness of the concrete pavement (to the nearest 1/2 inch), provided that the working stress of the concrete to be used is 600 lb/in^2 and the modulus of elasticity is 6×10^6 lb/in^2. Assume the initial serviceability is 5.0 and the terminal serviceability is 2.0. Assume the overall standard deviation, So, is 0.35, the load transfer coefficient J as 3.2, the drainage coefficient, Cd, is 1.15, and R = 99%.
Chapter 19 Solutions
EBK ENGINEERING FUNDAMENTALS: AN INTROD
Ch. 19.3 - Prob. 1BYGCh. 19.3 - Prob. 2BYGCh. 19.3 - Prob. 3BYGCh. 19.3 - VocabularyState the meaning of the following...Ch. 19.5 - Prob. 1BYGCh. 19.5 - Prob. 2BYGCh. 19.5 - Prob. 3BYGCh. 19.5 - Prob. 4BYGCh. 19.5 - Prob. 5BYGCh. 19.5 - Prob. BYGV
Ch. 19 - The scores of a test for an engineering class of...Ch. 19 - Prob. 2PCh. 19 - For Problem 19.1, using Equations (19.1) and...Ch. 19 - Prob. 4PCh. 19 - Prob. 5PCh. 19 - Prob. 6PCh. 19 - Prob. 7PCh. 19 - Prob. 8PCh. 19 - Prob. 9PCh. 19 - Prob. 12PCh. 19 - Prob. 13PCh. 19 - Prob. 14PCh. 19 - Prob. 15PCh. 19 - Imagine that you and four of your classmates have...Ch. 19 - Prob. 17PCh. 19 - Prob. 18PCh. 19 - Prob. 19PCh. 19 - Prob. 20PCh. 19 - Prob. 21PCh. 19 - Prob. 22PCh. 19 - Prob. 23PCh. 19 - Prob. 24PCh. 19 - Prob. 25PCh. 19 - Prob. 26PCh. 19 - Prob. 27PCh. 19 - Prob. 28PCh. 19 - Prob. 29PCh. 19 - Prob. 30PCh. 19 - Prob. 31PCh. 19 - Prob. 32PCh. 19 - Prob. 33PCh. 19 - Prob. 34PCh. 19 - Prob. 35PCh. 19 - Prob. 36PCh. 19 - Prob. 37PCh. 19 - Prob. 38PCh. 19 - Prob. 39PCh. 19 - Prob. 40PCh. 19 - Prob. 41PCh. 19 - Prob. 42PCh. 19 - Prob. 43PCh. 19 - Prob. 44PCh. 19 - Prob. 45PCh. 19 - Prob. 46PCh. 19 - Prob. 47PCh. 19 - You are to write down on a piece of paper the...Ch. 19 - Prob. 49PCh. 19 - Prob. 50P
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