Pavement Design and Materials

Pavement Design and Materials

 E. A. Masad, A.T.Papagiannakis

Preference :

We have embarked on this project with trepidation. Pavement engineering is a vast ield covering a wide range of technical areas that are rapidly evolving. Our motivation was that only a handful
of textbooks are in circulation addressing this topic. Furthermore, there have been several landmark technical developments in this area recently. These include the advent of SuperpaveTM
, the data generated by the Long-Term Pavement Performance (LTPP) project and the recentrelease ofthe Mechanistic-Empirical pavement design guide developed under NCHRP Study 1-37A. As a result, we felt that the time was right for recapturing the pavement engineering state of the art in a textbook.
This textbook covers pavement materials, analysis, design, evaluation, and economics of asphalt and portland concrete roadways. Its intended audience is engineering students at the undergraduate and
junior graduate levels. In addition, practicing engineers may ind it useful as a reference for practical design applications. Its structure focuses on the best established and currently applicable techniques
for material characterization, analysis, and design, rather than offering a historical perspective of these techniques and the way they are applied by the multitude ofjurisdictions dealing with roadway
pavements. In compiling this textbook, our initial intention was to utilize metric (SI) units throughout. However, this was tempered by the number of empirical expressions still in use involving imperial units, including some adopted by the Mechanistic-Empirical design guide. In such cases, the use of dual units was unavoidable.

There are three general types ofroadway pavements, namely lexible, rigid, and composite. Flexible pavements typically consist of asphalt concrete placed over granular base/subbase layers supported by the compacted soil, referred to as the subgrade. Some asphalt-paved sur-
faces consist of a simple bituminous surface treatment (BST), while other, lighter-duty asphalt-surfaced pavements are too thin, to be considered as flexible pavements, (i.e., combined layer thicknesses less than 15cm). Rigid pavements typically consist of a portland concrete layer placed over the subgrade with or without a middle base layer. Composite pavements are typically the result of pavement rehabilitation, whereby portland concrete is used to cover damage asphalt concrete or vice versa.

Pavement Design and Materials

Content :
  • Introduction
  • Pavement Traffic Loading
  • Characterization of Pavement Subgrades and Bases
  • Aggregates
  • Asphalt Materials
  • Concrete Materials
  • Flexible Pavement Analysis
  • Rigid Pavement Analysis
  • Pavement Evaluation
  • Environmental Effects on Pavements
  • Structural Design of Flexible Pavements
  • Structural Design of Rigid Pavements
  • Pavement Rehabilitation
  • Economic Analysis of Pavement Project Alternatives

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