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Soils Under Stress

2021-06-01 Nature
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Release : 2021-06-01
Genre : Nature
Kind : eBook
Book Rating : 94X/5 ( reviews)

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Book Synopsis Soils Under Stress by : Yuriy Dmytruk

Download or read book Soils Under Stress written by Yuriy Dmytruk. This book was released on 2021-06-01. Available in PDF, EPUB and Kindle. Book excerpt: Dokuchaev carried out most of his research in Ukraine. His student and friend, Volodymyr Vernadsky, went on to create trans-disciplinary environmental sciences and the concept of Earth as a living organism, famously taken up by James Lovelock. That spring of ideas still flows and the researches captured in this volume are relevant to present-day problems, and not only in Ukraine. Soils have always been under stress but, in the Anthropocene, mankind is in the driving seat. As a sequel to Soil Science Working for a Living: Applications of soil science to present-day problems, we consider issues of policy as well as soil genesis, attributes and functions in various environments, natural and man-made. We consider human impacts on the soil cover through its use and misuse, highlight methods of research and assessment of soil quality, and the threats of soil degradation. The distinguished contributors also describe and propose various options for evaluation and remediation of degraded soils, drawing on the latest methods of modelling and cartography as well as long-term field experiments and long experience. The book will be invaluable to researchers and practitioners in soil science including graduate and post-graduate education, academics and professionals.

Soil Settlement and the Concept of Effective Stress and Shear Strength Interaction

2020-12-27 Science
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Release : 2020-12-27
Genre : Science
Kind : eBook
Book Rating : 073/5 ( reviews)

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Book Synopsis Soil Settlement and the Concept of Effective Stress and Shear Strength Interaction by : Mohd Jamaludin Md Noor

Download or read book Soil Settlement and the Concept of Effective Stress and Shear Strength Interaction written by Mohd Jamaludin Md Noor. This book was released on 2020-12-27. Available in PDF, EPUB and Kindle. Book excerpt: This book is about the principal concept of soil mechanics that become the basis in explaining the soil mechanical behaviours. It is the extended concept of effective stress of Terzaghi and it is known as "the concept of effective stress and shear strength interaction." This new concept incorporates the role of mobilised shear strength developed within the soil body in resisting the compressive effect. Based on this new concept a comprehensive soil volume change framework has been developed known as Rotational Multiple Yield Surface Framework (RMYSF). This RMYSF is able to explain and quantify the puzzled and complex soil volume change behaviours. The main advantage of this RMYSF is that it is able to make a good prediction of soil and rock stress-strain responses at any effective stress. This will lead to accurate prediction of soil and rock settlements. Due to its simplicity and the comprehensive nature of this new fundamental concept in soil and rock mechanics, it will eventually be included in soil and rock mechanics syllabus for undergraduate and postgraduate courses. This book would be very useful for geotechnical engineers dealing with soil settlement, underground excavation, computer modelling, rock mechanics, road engineering, earth and rock dam engineering and tunnel engineering.

Soil Science Working for a Living

2017-01-19 Nature
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Release : 2017-01-19
Genre : Nature
Kind : eBook
Book Rating : 17X/5 ( reviews)

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Book Synopsis Soil Science Working for a Living by : David Dent

Download or read book Soil Science Working for a Living written by David Dent. This book was released on 2017-01-19. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses gritty issues that society faces every day: food and water security, environmental services provided by farmers, almost accidentally, and taken for granted by everyone else, the capability of the land to provide our needs today and for the foreseeable future and pollution of soil, air and water. The chapters are grouped in four main themes: soil development - properties and qualities; assessment of resources and risks; soil fertility, degradation and improvement and soil contamination, monitoring and remediation. It is a selection of papers presented at the Pedodiversity in Space and Time Symposium held at Chernivtsi National University, Ukraine, 15-19 September 2015.

Physiology of Plants Under Stress

2000-06-27 Science
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Release : 2000-06-27
Genre : Science
Kind : eBook
Book Rating : 082/5 ( reviews)

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Book Synopsis Physiology of Plants Under Stress by : David M. Orcutt

Download or read book Physiology of Plants Under Stress written by David M. Orcutt. This book was released on 2000-06-27. Available in PDF, EPUB and Kindle. Book excerpt: This second of a two-part treatise describes the phenomena of plants under stress, describing the relationship between plant structure, development, and growth and such environmental stresses as too much or too little water, light, heat, or cold.

Physicochemical Theory of Effective Stress in Soils

2015-09-16 Science
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Release : 2015-09-16
Genre : Science
Kind : eBook
Book Rating : 397/5 ( reviews)

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Book Synopsis Physicochemical Theory of Effective Stress in Soils by : V.I. Osipov

Download or read book Physicochemical Theory of Effective Stress in Soils written by V.I. Osipov. This book was released on 2015-09-16. Available in PDF, EPUB and Kindle. Book excerpt: 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.

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