Soil mechanics is a core professional basic course, which is a compulsory course for undergraduates majoring in civil engineering, and is also a professional basic course for many disciplines closely related to infrastructure construction, such as traffic engineering, water conservancy engineering, mining engineering, marine engineering, etc. The online course of soil mechanics is clear, illustrated and practical. Each chapter is designed with guideline and summary, so that students can fully understand the learning ideas, key points and difficulties of this chapter. Each chapter is attached with Chinese and English professional vocabulary, so as to promote students to review and consolidate their knowledge they have learned. There are various test questions to enable students to achieve the combination of learning and practice. It is equipped with the English textbook of soil mechanics edited by Professor Liao Hongjian and published by Xi'an Jiaotong University Press.
According to the training requirements of civil engineering specialty, this course not only pays attention to the systematic study of the basic theory and knowledge of the subject, but also pays focus on keeping pace with the times to cultivate the comprehensive ability of students to solve complex engineering problems. The characteristics of the course are:
1) Soil mechanics is a branch of Engineering Mechanics and an applied basic discipline, which uses mechanics and geotechnical test technology to study the engineering properties of soil, as well as the stress, strain, strength and stability of soil under the action of load, water and temperature.
2) Soil mechanics is an important professional basic course of civil engineering, construction, transportation, water conservancy, mining and geological engineering, which has a wide audience and plays an important role in the study of students and the reference of social professional engineers.
3) Soil mechanics is a very practical engineering technology science, which is closely related to human activities. In engineering construction, the theory and method of soil mechanics should be applied to solve the problems of building ground, embankment, tunnel, subway and slope stability.
There are totally 8 chapters in this course, including: basic characteristics and engineering classification of soils, permeability of soil and seepage force, stress distribution in soil, compression and consolidation of soil, shear strength, bearing capacity, stability of slopes and lateral earth pressure and retaining walls. Also included are a guideline at the beginning of each chapter and an English-Chinese translation of frequently-used words and expressions in soil mechanics were provided at the end of each chapter, which may facilitate the students in studying this course. Exercises are provided at the end of each chapter and references and acknowledgements are given in the attachment at the end of each chapter.
Soil mechanics is a professional basic course that uses mechanics and geotechnical testing techniques to study the engineering properties of soil.
Introduction
Introduction
Exercises
Chapter1 Basic characteristics and engineering classification of soils
1.5.1 Three phase physical property index of soil
1.9 Engineering classification of soils
1.3.2 Particle size distribution curves of soil
1.2 Soil generation
1.8 Soil compaction
1.10 Summary
Exercises
1.7 Plasticity properties of soils
1.6 Density properties for granular soils
1.3.1 Soil solid particles
1.4 Soil fabric and structure
1.1 Guideline
References & Acknowledgements
1.5.2 Conversion formula between physical property indexes
Chapter 2 Permeability of soil and seepage force
2.8.1 Pore water pressure and effective stress in saturated soil
2.8.2 Pore water pressure and effective stress under seepage
2.9 Summary
2.7 Quicksand phenomenon
2.4 Darcy’s law and applicability
2.1 Guideline
2.5.2 Determination of permeability coefficient of layered soil
2.6 Seepage pressure and critical hydraulic gradient
2.3 Soil permeability and groundwater movement
2.5.1 Determination of permeability coefficient
Exercises
2.2 Capillary phenomena of soil
References & Acknowledgements
Chapter 3 Stress calculation in soil
3.6.2 Additional stress beneath a rectangular foundation due to a vertical uniform load
3.4 Effective stress principle
3.7.1 Additional stress beneath a strip foundation under vertical uniform load
3.6.3 Additional stress beneath a rectangular foundation due to a vertical triangular load
Exercises
3.5.1 Foundation undersurface pressure distribution
3.5.2 Simplified calculation of foundation undersurface pressure
3.7.2 Additional stress beneath a strip foundation under vertical triangular load
References & Acknowledgements
3.2 Stress state of soil
3.3 Stresses due to self-weight
3.6.1 Additional stress in ground base under vertical concentrated load
3.8 Summary
3.5.3 Calculation of foundation undersurface additional pressure
3.1 Guideline
Chapter 4 Soil compressibility and calculation of foundation settlement
4.5.2 Stress history of natural soil
4.1 Guideline
4.2.2 Oedometer test
4.2.3 Soil compressibility parameters
References & Acknowledgements
4.3 In-situ testing of soil compressibility
4.4.1 Calculation principle of layer-wise summation method
4.5.1 Rebounding curve and recompression curve of soil
4.6.2 One dimensional consolidation theory of saturated soil
Exercises
4.6.1 Consolidation of saturated soil
4.7 Summary
4.4.2 Calculation method of layer-wise summation method
4.2.1 Soil compressibility
Chapter 5 Shear strength
5.3.3 Triaxial shear test type
5.4.1 Mohr-Coulomb failure criterion
5.5.1 Unconsolidated undrained shear strength
5.3.1 Shear strength tests
5.3.2 Principle of triaxial shear test
5.2 Shear resistance
References & Acknowledgements
5.4.2 Soil limit equilibrium condition
5.6 Summary
Exercises
5.1 Guideline
5.4.3 Application of Mohr-Coulomb shear strength theory
5.5.2 Consolidated undrained and consolidated drainage shear strength
Chapter 6 Bearing capacity
6.1 Guideline
6.4 Prandtl’s ultimate bearing capacity
6.2.1 Basic concept of subsoil deformation and stability
Exercises
6.9 Summary
6.6 Terzaghi’s ultimate bearing capacity
6.3.1 Critical edge pressure
6.7 Determining bearing capacity according to code for design of building foundation
6.5 Modification of Prandtl’s ultimate bearing capacity
6.3.2 Bearing capacity of the finite plastic zone depth
6.8 Determining bearing capacity according to field test
References & Acknowledgements
6.2.2 Basic failure modes of subgrade
Chapter 7 Slope stability analysis
7.3.2 Stability analysis of cohesionless soil slope with seepage flow
7.6 Bishop method with a circular slip surface
7.4.1 Integral circular slip surface method
7.5.2 Calculation formula of Swedish strip slice method
7.7 Summary
7.1 Guideline
Exercises
7.5.1 Basic concepts of Swedish strip slice method
7.3.1 Stability analysis of cohesionless soil slope
References & Acknowledgements
7.2.2 Influence factors of slope stability
7.4.2 Stability number method
7.2.1 Basic concept of soil slope stability
Chapter 8 Earth pressure and retaining walls
8.3 Earth pressure on the retaining wall
Exercises
8.7 Summary
8.5.4 Calculation method of earth pressure under special conditions
8.2 Engineering application of retaining wall
8.1 Guideline
8.4 Calculation of the at-rest earth pressure
8.6.1 Basic assumption of Coulomb's earth pressure theory
8.5.2 Calculation of Rankine's active earth pressure
8.5.1 Basic principle of Rankine's earth pressure theory
8.6.2 Calculation of Coulomb's earth pressure
8.5.3 Calculation of Rankine's passive earth pressure
References & Acknowledgements
Higher Mathematics、Engineering Geology、Material Mechanics
Textbook and References
1. Hongjian Liao, Lijun Su, Hangzhou Li (2015).Soil Mechanics[M]. Xi'an Jiaotong University Press, Xian.
2. Hongjian Liao, Rongjian Li, Enlong Liu (2018). Soil Mechanics (The Third Edition) [M]. Higher Education Press, Beijing.
3. R.F.Craig (1998). Soil Mechanics [M]. E and FN Spon, London and New York
4. John Atkinson (1993). An Introduction to the Mechanics of Soils and Foundations [M]. McGraw-Hill, England.
5. Karl Terzaghi (1943). Theoretical Soil Mechanics [M]. John Wiley and Sons, New York.
6. T.William Lambe and Robert V.Whitman (1969). Soil Mechanics [M]. John Wiley and Sons, New York.
7. Ministry of Housing and Urban-Rural Construction of the People's Republic of China (2012), GB50007-2011《Code for Design of Building Foundation》[S], China Building Industry Press, Beijing.
Professor
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