By American Association of State Highway and Transportation Officials
ISBN-10: 0080522041
ISBN-13: 9780080522043
ISBN-10: 0750647183
ISBN-13: 9780750647182
ISBN-10: 156051423X
ISBN-13: 9781560514237
This guide offers the street neighborhood with a state-of-the-practice research device for comparing pavement constructions utilizing mechanistic-empirical ideas, utilizing undertaking particular site visitors, weather, and fabrics information for estimating harm accumulation over a distinct pavement provider lifestyles. This guide is appropriate to designs for brand new, reconstructed, and rehabilitated versatile, inflexible, and semi-rigid pavements. functionality and misery predictions versions are used to assist the pavement clothier in opting for the specified pavement part.
Content:
entrance subject
• record of Figures
• checklist of Tables
• Preface
• desk of Contents
1. advent
2. Referenced files and criteria
three. value and Use of the MEPDG
four. Terminology and Definition of phrases
five. functionality Indicator Prediction Methodologies
6. Hierarchical enter degrees - making a choice on the enter point
7. normal undertaking details
eight. identifying layout standards and Reliability point
nine. identifying web site stipulations and components
10. Pavement evaluate for Rehabilitation layout
eleven. decision of fabric homes for brand new Paving fabrics
12. Pavement layout recommendations
thirteen. Rehabilitation layout concepts
14. Interpretation and research of the Trial layout
Appendix: Getting began with the MEPDG
Abbreviations and phrases
Index
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Additional resources for Mechanistic-Empirical Pavement Design Guide - A Manual of Practice
Sample text
The unit of rutting calculated by the MEPDG is inches (millimeters), and represents the maximum mean rut depth between both wheel paths. 6 DISTRESS OR PERFORMANCE INDICATORS TERMS-PCC-SURFACED PAVEMENTS Mean Transverse Joint Faulting (JPCP)-Transverse joint faulting is the differential elevation across the joint measured approximately 1ft from the slab edge (longitudinaljoint for a conventional lane width), or from the rightmost lane paint stripe for a widened slab. Sincejoint faulting varies significantly from joint to joint, the mean faulting of all transversejoints in a pavement section is the parameter predicted by the MEPDG.
The percentage of slabs with transverse cracks (including all severities) in a given traffic lane is used as the measure of transverse cracking and is predicted using the following global equation for both bottomup and top-down cracking: 50 1 Mechanistic-Empirical Pavement Design Guide Figure 5-7. Comparison of Measured and Predicted IRI Values Resulting from Global Calibration Process of HMA Overlays of PCC Pavements CRK = I 1+ (DI, where: CRK DIF = Predicted amount of bottom-up or top-down cracking (fraction), and = Fatigue damage calculated using the procedure described in this section.
M. m. Using Eq. 5-20a, the faulting at the end of the current month is determined. These steps are repeated for the number of months in the pavement design life. 58 1 Mechanistic-Empirical Pavement Design Guide More than one-third of the sections used to calibrate this prediction model were non-doweled. 625 in. A plot of measured versus predicted mean transverse joint faulting based on the global calibration exercise is shown in Figures 5-11 through 5-13. The standard error for the transversejoint faulting global prediction equation is shown in Eq.
Mechanistic-Empirical Pavement Design Guide - A Manual of Practice by American Association of State Highway and Transportation Officials
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