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Dynamical Systems-Based Soil Mechanics

Autor Paul Joseph
en Limba Engleză Paperback – 13 apr 2017
This book is a short yet rigorous course on a new paradigm in soil mechanics, one that holds that soil deformation occurs as a simple friction-based Poisson process in which soil particles move to their final position at random shear strains. It originates from work by Casagrande’s soil mechanics group at Harvard University that found that an aggregate of soil particles when sheared reaches a "steady-state" condition, a finding in line with the thermodynamics of dissipative systems. The book unpacks this new paradigm as it applies to soils. The theory explains fundamental, ubiquitous soil behaviors and relationships used in soils engineering daily thousands of times across the world, but whose material bases so far have been unknown. These include for example, why for one-dimensional consolidation, the e-log σ line is linear, and why Cα/Cc is a constant for a given soil. The subtext of the book is that with this paradigm, the scientific method of trying to falsify hypotheses fully drives advances in the field, i.e., that soil mechanics now strictly qualifies as a science that, in turn, informs geotechnical engineering.
The audience for the book is senior undergraduates, graduate students, academics, and researchers as well as industry professionals, particularly geotechnical engineers. It will also be useful to structural engineers, highway engineers, military engineers, persons in the construction industry, as well as planetary scientists. Because its fundamental findings hold for any mass of particles like soils, the theory applies not just to soils, but also to powders, grains etc. so long as these are under pseudo-static (no inertial effects) conditions.
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Specificații

ISBN-13: 9781138723221
ISBN-10: 1138723223
Pagini: 158
Dimensiuni: 156 x 234 x 14 mm
Greutate: 0.25 kg
Ediția:1
Editura: CRC Press
Colecția CRC Press

Public țintă

Postgraduate, Professional, and Undergraduate

Cuprins

Introduction
Soil Shear–the Phenomenological Model
Soil Shear–the Physical Model (Part 1)
Soil Shear–The Physical Model (Part 2)
Soil Shear–Strain Rate (Viscosity) Effects
Consolidation Compression–The Generalized Model
Strain Rate (Viscosity)
Effects and Secondary Consolidation in One-Dimensional Loading
Finite Element Analysis Using DSSM
Conclusion
Appendices.
References

Descriere

The book is a detailed course on a new paradigm in soil mechanics, one solidly based on science (thermodynamics) and findings by Casagrande’s group at Harvard University. The theory holds that soils when sheared reach a “steady-state” condition, a finding that is exactly in line with the thermodynamics of dissipative systems. From this, the theory is extended to show that soil deformation is the result of a simple friction based Poisson process in which particles move to their final position at random shear strains. The book introduces the reader to this concept, and unpacks it. It aims at both advanced undergraduates, as well as graduate and research students.