Evaluation of Resilient Moduli and Layer Coefficients of Aggregate Materials for AASHTO Flexible Pavement Design
Author | : Ping Tian |
Publisher | : |
Total Pages | : 484 |
Release | : 1998 |
Genre | : Aggregates (Building materials) |
ISBN | : |
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Author | : Ping Tian |
Publisher | : |
Total Pages | : 484 |
Release | : 1998 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Author | : Musharraf M. Zaman |
Publisher | : |
Total Pages | : 155 |
Release | : 1998 |
Genre | : Aggregates (Building materials) |
ISBN | : |
A comprehensive study involving laboratory testing of resilient moduli (MR) of aggregate materials, determination of layer coefficients, and their application in AASHTO flexible pavement design was conducted. Three coarse aggregates, namely, Richard Spur (RS), Sawyer, and Meridian, that are commonly used as subbase/base of roadway pavements in Oklahoma were selected.
Author | : Harold L. Von Quintus |
Publisher | : |
Total Pages | : 38 |
Release | : 2007 |
Genre | : Pavements, Asphalt |
ISBN | : |
The Kansas Department of Transportation (DOT) uses the 1993 DARWin version of the 1986 AASHTO Guide to design flexible pavements and rehabilitation strategies of flexible pavements. One of the inputs needed for the flexible pavement design procedure is the structural layer coefficient for each pavement layer. The Kansas DOT procedure to assign structural layer coefficients was developed years ago and based on an analysis of flexible pavement performance data and layer properties. It has been recently suggested that the Kansas DOT increase the structural layer coefficients because of changes in material and construction specifications. Different procedures can be used to estimate the structural layer coefficients for flexible pavement design. As part of the study entitled Determination of the Appropriate Use of Pavement Surface History in the KDOT Life-Cycle Cost Analysis Process an evaluation of the procedure that Kansas DOT uses to assign structural layer coefficients to different pavement materials was completed. This report provides the results of that evaluation.
Author | : Kundan Kumar Pandey |
Publisher | : |
Total Pages | : 492 |
Release | : 1996 |
Genre | : Aggregates (Building materials) |
ISBN | : |
Author | : American Association of State Highway and Transportation Officials |
Publisher | : AASHTO |
Total Pages | : 622 |
Release | : 1993 |
Genre | : Pavements |
ISBN | : 1560510552 |
Design related project level pavement management - Economic evaluation of alternative pavement design strategies - Reliability / - Pavement design procedures for new construction or reconstruction : Design requirements - Highway pavement structural design - Low-volume road design / - Pavement design procedures for rehabilitation of existing pavements : Rehabilitation concepts - Guides for field data collection - Rehabilitation methods other than overlay - Rehabilitation methods with overlays / - Mechanistic-empirical design procedures.
Author | : Anand J. Puppala |
Publisher | : Transportation Research Board |
Total Pages | : 139 |
Release | : 2008 |
Genre | : Technology & Engineering |
ISBN | : 0309098114 |
At head of title: National Cooperative Highway Research Program.
Author | : Samuel H. Carpenter |
Publisher | : |
Total Pages | : 140 |
Release | : 1990 |
Genre | : Pavements, Flexible |
ISBN | : |
Author | : American Association of State Highway and Transportation Officials |
Publisher | : AASHTO |
Total Pages | : 218 |
Release | : 2008 |
Genre | : Pavements |
ISBN | : 156051423X |
Author | : Eddie Y. J. Chou |
Publisher | : |
Total Pages | : 98 |
Release | : 1999 |
Genre | : Asphalt concrete |
ISBN | : |
Seven flexible pavements ranging from interstate to state route are selected. Three different approaches are employed. The first two use the resilient modulus of the material to estimate its structural coefficient. In the first approach, cored specimens are obtained from each of the pavement sections and the resilient moduli of in-service 301 and 446/448 materials are determined in the laboratory. The second approach backcalculates layer elastic modulus from measured pavement deflection. The third approach determines the structural coefficient from the AASHTO flexible pavement performance equation based on traffic and serviceability history data.