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آنالیز و طراحی روسازی هوانگ – Pavement Analysis and Design, 2nd Edition

شناسه محصول: 9780131424739

80,000 تومان 70,000 تومان

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آنالیز و طراحی روسازی هوانگ – Pavement Analysis and Design, 2nd Edition

by Yang H. Huang

This up-to-date book covers both theoretical and practical aspects of pavement analysis and design. It includes some of the latest developments in the field, and some very useful computer software—developed by the author—with detailed instructions. Specific chapter topics include stresses and strains in flexible pavements, stresses and deflections in rigid pavements, traffic loading and volume, material characterization, drainage design, pavement performance, reliability, flexible pavement design, rigid pavement design, design of overlays, theory of viscoelasticity, theory of elastic layer systems, Superpave, pavement management systems, and an introduction to the 2002 Pavement Design Guide. For practicing engineers in the design of pavements and raft foundations.

From the Back Cover

Focusing on mechanistic-empirical design procedures, this volume presents a comprehensive exploration of the structural analysis and design of highway pavements.

Although the current Pavement Design Guide adopted by the American Association of State Highway and Transportation Officials (AASHTO) is mainly empirical, a new guide based on mechanistic-empirical procedures will be published and implemented in the very near future. This book will provide the fundamental background to a full understanding of these sophisticated procedures.

The accompanying CD contains a Windows software called KENPAVE, which can be run on any personal computer with Windows 95 or higher. In addition to several input and graphics programs, KENPAVE consists of two well-known computer programs for pavement analysis and design:

  • The KENLAYER program for flexible pavements can be applied to a multilayered system under stationary or moving multiple wheel loads with each layer being linear elastic, nonlinear elastic, or viscoelastic.
  • The KENSLABS program for rigid pavements can be applied to multiple slabs fully or partially supported on a liquid, solid, or layered foundation with moment or shear transfer across joints.

Both programs can perform damage analysis by dividing a year into a number of periods, each subjected to different combinations of singleand multiple-axle loads.

Structural and geotechnical engineers can also benefit from this book by applying KENPAVE to the design of raft foundations. In addition to vertical loads, the foundation slab can be subjected to moments in two directions, such as those imposed by retaining walls, and the contours of positive and negative moments can be plotted. This information will be useful to determine the length and amount of reinforcements required.

Excerpt. © Reprinted by permission. All rights reserved.

The first edition of Pavement Analysis and Design was published in 1993. The widespread adoption of this book by so many colleges as an undergraduate or graduate text has encouraged me to write this second edition. A major event during the past decade was the completion of the Strategic Highway Research Program (SHRP), which led to the development of the highly publicized 2002 Pavement Design Guide. However, at the time of this writing, the final draft of the 2002 Guide is still not available. It will likely be a few more years before the Guide is approved and implemented by the American Association of State Highway and Transportation Officials (AASHTO). For this reason, only a brief preview of the 2002 Pavement Design Guide is presented, in an appendix.

Other than those improvements in the computer programs that necessitate changes in the text, not much is changed in the theoretical part of this book. Although new procedures were developed by SHRP for material characterization and pavement evaluation, these procedures, such as Superpave, are still in the developmental stage and will be subject to change as more experience is gained in their use. In this second edition, Superpave is presented in an appendix. To extend the usefulness of the book, a new appendix on Pavement Management System is added. It is hoped that a more extensive revision will be made in the third edition, after the 2002 Pavement Design Guide is fully implemented and all the testing and evaluation procedures are finalized. Major changes made in this edition are the following:

  1. The floppy disk containing the four DOS programs is replaced by a CD containing a Windows program called KENPAVE, which combines the original KENLAYER, LAYERINP, KENSLABS, and SLABSINP into a single package, together with the addition of some computer graphics. The software was written in Microsoft Visual Basic 6.0 and can be run on any computer with Windows 95 or higher. Detailed instructions on the use of KENPAVE can be found in the software program.
  2. Section 13.5 on the AASHTO method of overlay design has been totally revised. The 1986 AASHTO Design Guide was used in the first edition. The guide was revised in 1993 with practically no change in the design of new pavements, but the design of overlay was completely rewritten.
  3. New developments and information from the literature have been added to keep the book current. A new method based on the Mohr-Coulomb failure criterion has been added in KENLAYER for nonlinear analysis, and new comparisons age made between KENLAYER and the latest Windows version of MICH-PAVE.
  4. Three new appendices have been added: Appendix D—An Introduction to Superpave; Appendix E—Pavement Management Systems; and Appendix F—A Preview of 2002 Design Guide. Appendix C is combined with Appendix B; a new Appendix C contains a brief description of KENPAVE.
  5. To provide room for the above additions, Sections 3.4.3 (on contained rock asphalt mats) and 10.5 (on probabilistic computer programs) have been deleted. Also deleted from the appendices are the description of the input programs and the programming details of KENLAYER and KENSLABS, such as subroutines and flowcharts. The description of input and output parameters in Chapters 3 and 5 and the illustrative examples in the appendices also have been removed, because they can now be found in the software program.

I wish to acknowledge gratefully the contribution of my colleague, Dr. Kamyar C. Mahboub, who wrote the appendices on Superpave and Pavement Management Systems. These new additions broaden the scope of this book and make it more suitable for a wider audience. I also want to offer my heartfelt thanks to AASHTO, the Transportation Research Board, the Federal Highway Administration, the Asphalt Institute, the Portland Cement Associations, and many others who have permitted the use of the information they developed. Finally, I would like to thank my wife Jane for her support in the use of our retirement time on this book.

YANG H. HUANG, Sc. D., P E.
Professor Emeritus of Civil Engineering
University of Kentucky

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