Effective Stress and Equilibrium Equation for Soil Mechanics

Effective Stress and Equilibrium Equation for Soil Mechanics

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Product Details

ISBN-13: 9781138092310
Publisher: Taylor & Francis
Publication date: 12/22/2017
Pages: 160
Product dimensions: 6.75(w) x 9.75(h) x (d)

About the Author

Dr. Longtan Shao is a professor in the Department of Engineering Mechanics, Dalian University of Technology, Dalian, Liaoning, China. He was born in China, where he obtained his bachelor degree, master degree and Ph.D. from Dalian University of Technology. He has been engaged in the research on the theory of soil mechanics, geotechnical testing technology and equipment development, and stability analysis of soil structures.

Dr. Xiaoxia Guo is a Senior Engineer in the Department of Engineering Mechanics, Dalian University of Technology, Dalian, Liaoning, China. She was born in China, and obtained bachelor, master and doctoral degrees from Dalian University of Technology. She has been engaged in the research on soil constitutive model, geotechnical testing technology and equipment, and stability analysis of soil structures.

Dr. Shiyi Liu obtained B.S. degree from Jilin University and Ph.D. degree from Dalian University of Technology. He joined the School of Resources and Civil Engineering at Northeastern University (Shenyang, China) as a Lecturer in 2016. His major research interests are slope stability analysis, lateral earth support structures and underground excavation.

Guofeng Zheng is a Ph.D. student in the Department of Engineering Mechanics, Dalian University of Technology, Dalian, Liaoning, China. His major research interest is the properties of unsaturated soils.

Table of Contents

1 Introduction
1.1 Effective stresses
1.2 Equilibrium differential equations
1.3 Continuous medium matter model for soils
1.4 Three constitutive phases of soils
1.5 Soil-water potential and its components
1.6 Soil-water characteristic curves
1.7 Main contents of this book

2 Equilibrium differential equations of a soil
2.1 Equilibrium differential equations of soil mass
2.2 Static equilibrium equation of the soil skeleton

3 Effective stress
3.1 Effective stress equation and physical meaning of effective stress
3.2 Relationship between effective stress and shear strength/volumetric strain
3.3 Primary verification of the correlation between effective stress and shear strength of unsaturated soils
3.4 Effective stress principle for unsaturated soils

4 Seepage equation of unsaturated soils
4.1 Seepage equation of saturated soil
4.2 Seepage equation for unsaturated soils
4.3 Formula of seepage force
4.4 The overflow condition of the gas in soils

5 Discussion on some issues related to effective stress
5.1 Does Terzaghi’s effective stress equation need to be modified?
5.2 Is effective stress pseudo or real stress?
5.3 Effective stress and stress state variables of soils
5.4 Effective stress and soil skeleton stress
5.5 The effective stress of unsaturated soils
5.6 Should contractile skin be the fourth phase?

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