avement Engineering Second Edition

Abstract

Along with the encouragement of our publishers, the main motivations for the second edition of this book have been the desire to include emerging topics in the area of pavement engineering, to strengthen some of the areas that were not covered adequately in the irst edition, and to correct the errors that had inadvertently crept into the irst edition. All chapters have been updated with relevant material, and explanatory schematics and photos have been added. The emerging areas that have been included in this new edition are sustainable pavement engineering and environmental mitigation in transportation projects. They have been included with the view that these areas are becoming universally important and that in many cases professionals, such as transportation planners, who do not deal directly with pavement materials, do need to become more knowledgeable about different options that are available for pavement design and construction. The second edition consists of new igures that include more informative schematics and photographs to better explain construction details, materials processing, and relevant equipment and methods. This was done because of two reasons. First, for an applied ield such as pavement engineering, a good understanding of the construction practices is essential for newly graduating engineers. Second, a good understanding of materials processing and construction is essential for solving numerous problems—it helps in problem formulation, development of solution approaches, and reinement of techniques. Finally, more relevant issues and recently developed techniques and guidelines for practical problems (and web-based references) have been included, such as selection of type of pavements, effect of vehicle tires, use of smart sensors in rollers, image analysis, use of software for drainage analysis, pavement surface characterization and forensic investigation of pavement failures, and continuously reinforced concrete pavement (CRCP). Despite all these updates, we are certain that the book can still be improved upon, and we request and encourage our readers to suggest improvements. However, we hope that the book, with the updated materials, will be an appropriate textbook or reference in any pavement-related course—it will be able to provide the basics and at the same time generate interest in the readers, which is so very essential in the learning process