Overview

This book presents a new theory of effective stresses in soils, which takes into account the internal stresses caused by the molecular, electrostatic, and structural mechanical forces. These forces exist in thin hydrate films of adsorbed water molecules at the contacts of structural elements, producing the so-called disjoining effect. They can be evaluated by incorporating theoretical achievements of molecular physics and colloidal chemistry. The novel theory described in this book considers not only external but also internal stresses and gives different results for effective forces compared with the Terzaghi theory widely applied in soil mechanics. The book provides equations for the actual effective stresses at the contacts of particles, thus improving the Terzaghi theory in physicochemical context.

Full Product Details

Author:   V.I. Osipov
Publisher:   Springer International Publishing AG
Imprint:   Springer International Publishing AG
Edition:   1st ed. 2015
Weight:   1.306kg
ISBN:  

9783319206387

ISBN 10:   3319206389
Pages:   55
Publication Date:   25 September 2015
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
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Table of Contents

1. Stresses in soils 1.1.Types of stresses 1.2. External stresses 1.2.1.Geostatic stress 1.2.2.Hydrodynamic stress 1.2.3.Stress produced by engineering structures 1.3.Internal stresses 1.3.1.Capillary pressure 1.3.2.Disjoining pressure of hydrate films. Components of disjoining pressure. 1.3.3.Isotherms of disjoining pressure of hydrate films 1.3.4.Experimental studies of disjoining pressure of hydrate films 2. Terzaghi theory of effective stresses 3. Physicochemical theory of effective stresses 3.1. Types of contacts in clays 3.2. Number of contacts 3.3. Area of contacts 3.3.1.Coagulational contacts 3.3.2.Transitional contacts 3.4. Effective contact stress in water-saturated soils 3.4.1.Coagulational contacts 3.4.2.Transitional contacts 3.4.3.Phase contacts 3.5. Effective contact stress in unsaturated soils 3.6. Actual total effective stress in soils 3.7.1.Water-saturated soil 3.7.2.Unsaturated soil Conclusion

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