Geotechnics of Roads: Fundamentals
eBook - ePub

Geotechnics of Roads: Fundamentals

  1. 434 pages
  2. English
  3. ePUB (mobile friendly)
  4. Available on iOS & Android
eBook - ePub

Geotechnics of Roads: Fundamentals

About this book

At first glance, roads seem like the simplest possible geotechnical structures. However, analysis of these structures runs up against complexities related to the intense stresses experienced by road surfaces, their intense interaction with climate, and the complicated behavior of the materials used in road construction.

Modern mechanistic approaches to road design provide the tools capable of developing new technical solutions. However, use of these approaches requires deep understanding of the behavior of constituent materials and their interaction with water and heat which has recently been acquired thanks to advances in geotechnical engineering. The author comprehensively describes and explains these advances and their use in road engineering in the two-volume set Geotechnics of Roads, compiling information that had hitherto only been available in numerous research papers.

Geotechnics of Roads: Fundamentals presents stresses and strains in road structures, water and heat migration within and between layers of road materials, and the effects of water on the strength and stiffness of those materials. It includes a deep analysis of soil compaction, one of the most important issues in road construction. Compaction accounts for only a small proportion of a construction budget but its effects on the long-term performance of a road are decisive. In addition, the book describes methodologies for nondestructive road evaluation including analysis of continuous compaction control, a powerful technique for real-time quality control of road structures.

This unique book will be of value to civil, structural and geotechnical engineers worldwide.

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Yes, you can access Geotechnics of Roads: Fundamentals by Bernardo Caicedo in PDF and/or ePUB format, as well as other popular books in Technology & Engineering & Civil Engineering. We have over one million books available in our catalogue for you to explore.

Chapter 1
Distribution of stresses and strains in roads

From the age of the Roman empire to the present, construction of road structures has consisted of juxtaposing several layers of materials consisting of particles of different sizes and shapes with bonded or unbonded contacts. The fundamental principle behind mechanistic study of road structures is analysis of stresses and strains affecting the performance of each material. Despite huge advances in modeling materials based on the behavior of each grain and contact, continuum mechanics remains the main tool for designing road structures.
Even after simplification of material behavior achieved by adaptation of the theory of continuum mechanics, an accurate evaluation of stresses and strains in a road structure requires inclusion of all the complexities of material behavior: three dimensional analysis [34], non-linearity [206], elasto-plasticity [95], [201], viscoelasticity [10], anisotropy [402], [142], non-saturation [78], [85], compaction induced residual stresses [81], grain breakage [122], and the role of rotation of str...

Table of contents

  1. Cover
  2. Half Title
  3. Title
  4. Copyright
  5. Dedication
  6. Contents
  7. Acknowledgments
  8. List of mathematical symbols
  9. Introduction
  10. 1 Distribution of stresses and strains in roads
  11. 2 Unsaturated soil mechanics applied to road materials
  12. 3 Compaction
  13. 4 Embankments
  14. 5 Mechanical behavior of road materials
  15. 6 Climate effects
  16. 7 Non destructive evaluation and inverse methods
  17. References
  18. Index