Geological Engineering

Interpreting a geological setting for the purposes of engineering design and construction requires knowledge of geological engineering and engineering geology, leading to integrated engineering solutions which take into account both ground conditions and environment. This textbook, extensively illustrated, covers the subject area of geological engineering in four sections.

Fundamentals: soil mechanics, rock mechanics and hydrogeology
Methods: site investigations, rock mass characterization and engineering geology mapping
Applications: foundations, slope stability, tunnelling, dams, reservoirs and earth works
Geohazards: landslides, earthquake hazards and prevention and mitigation of geological hazards

Geological Engineering can serve as a basic reference work for practising engineering geologists, geological and geotechnical engineers, geologists, civil and mining engineers and those professionals involved in design and construction of foundations, tunneling, earth works and excavations for infrastructures, buildings, mining operations, etc.

As a textbook it develops an extensive teaching program of geological engineering and is designed for undergraduate and postgraduate students and academics. Covering basic concepts up to the newest methodologies and procedures in geological engineering, the book is illustrated with many educational working examples and graphical materials.

PART I. FUNDAMENTALS Chapter 1 - Introduction to Geological Engineering

1.1 Definition and Importance of Geological Engineering

1.2 The Geological Environment and its Relation with Engineering

1.3 Geological Factors and Geotechnical Problems

1.4 Methods and Applications in Engineering Geology

1.5 Information Sources in Engineering Geology

1.6 How this Book is Structured

Recommended Reading/References

Chapter 2 – Soil Mechanics and Engineering Geology of Sediments

2.1 Introduction

2.2 Soil Description and Classification

2.3 Flow of Water through Soils

2.4 Effective Stress

2.5 Consolidation and Compressibility

2.6 Shear Strength of Soils

2.7 Influence of Mineralogy and Fabric on the Geotechnical Properties of Soils

2.8 Engineering Geology Characteristics of Sediments

2.9 Problematic Soils

Recommended Reading/References

Chapter 3 – ROCK MECHANICS

3.1 Introduction

3.2 Physical and Mechanical Properties of Rocks

3.3 Stress and Strain in Rocks

3.4 Strenght and Deformability of Intact Rock

3.5 Discontinuities

3.6 Strenght and Deformability of Rock Masses

3.7 In situ Stress

3.8 Rock Mass Classifications

Recommended Reading/References

Chapter 4 - HYDROGEOLOGY

4.1 Hydrogeological Behaviour of Soils and Rocks

4.2 Hydrogeological Parameters

4.3 Flow. Darcy's Law and Fundamental Flow Equations in Porous Media

4.4 Evaluation Methods for Hydrogeological Parameters

4.5 Solution Methods

4.6 Chemical Properties of Water

Recommended Reading/References

PART II. METHODS

Chapter 5 – SITE INVESTIGATIONS

5.1 Planning and Design

5.2 Preliminary Investigations

5.3 Engineering Geophysics

5.4 Boreholes, Trial Pits, Trenches and Sampling

5.5 In situ Tests

5.6 Geotechnical Instrumentation

Recommended Reading/References

Chapter 6 - ROCK MASS DESCRIPTION AND CHARACTERISATION

6.1 Methodology

6.2 Description and Zoning

6.3 Intact Rock Characterisation

6.4 Description of Discontinuities

6.5 Rock Mass Parameters

6.6 Rock Mass Classification and Characterisation

Recommended Reading/References

Chapter 7 - ENGINEERING GEOLOGICAL MAPPING

7.1 Definition

7.2 Types of Maps

7.3 Mapping Methods

7.4 Data Collection

7.5 Applications

Recommended Reading/References

PART III. APPLICATIONS

Chapter 8 - FOUNDATIONS

8.1 Introduction

8.2 Shallow Foundations

8.3 Deep Foundations

8.4 Foundations in Rock

8.5 Foundations in Complex Geological Conditions

8.6 Site Investigation

Recommended Reading/References

Chapter 9 - SLOPES

9.1 Introduction

9.2 Site Investigations

9.3 Factors Influencing Slope Stability

9.4 Types of Slope Failure

9.5 Stability Analysis

9.6 Stabilization Measures

9.7 Monitoring and Control

9.8 Slope Excavation

Recommended Reading/References

Chapter 10 - TUNNELS

10.1 Introduction

10.2 Site Investigation

10.3 Influence of Geological Conditions

10.4 Geomechanical Design Parameters

10.5 Rock Mass Classifications for Tunneling

10.6 Tunnel Support Design using Rock Mass Classifications

10.7 Excavability

10.8 Tunnel Excavation and Support Methods in Rock

10.9 Tunnel Excavation and Support Methods in Soil

10.10 Geological Engineering during Tunnel Construction

Recommended Reading/References

Chapter 11 - DAMS AND RESERVOIRS

11.1. Introduction

11.2 Types of Dams and Auxiliary Structures

11.3 Site Investigation

11.4 Engineering Geology Criteria for Dam Selection

11.5 Geological Materials for Dam Construction

11.6 Reservoir Water Tightness

11.7 Permeability of Dam Foundations

11.8 Reservoir Slope Stability

11.9 Engineering Geological Conditions for Dam Foundations

11.10 Seismic Actions and Induced Seismicity

Recommended Reading/References

Chapter 12 - EARTH STRUCTURES

12.1 Introduction

12.2 Design Methodology

12.3 Materials

12.4 Implementation and Control

12.5 Embankments on Soft Soils

12.6 Embankments on Slopes

Recommended Reading/References

PART IV. GEOLOGICAL HAZARDS

Chapter 13 - LANDSLIDES AND OTHER MASS MOVEMENTS

13.1 Introduction

13.2 Slope Movements

13.3 Investigation of Landslides

13.4 Corrective Measures

13.5 Collapse and Subsidence

13.6 Prevention of Risks from Mass Movements

Recommended Reading/References

Chapter 14 - SEISMIC HAZARD

14.1 Introduction

14.2 Faults and Earthquakes

14.3 Seismicity Studies

14.4 Seismic Hazard Analysis

14.5 Seismic Site Response

14.6 Ground Effects Induced by Earthquakes

14.7 Applications to Geological Engineering

Recommended Reading/References

Chapter 15 - PREVENTION OF GEOLOGICAL HAZARDS

15.1 Geological Hazards

15.2 Hazard, Risk and Vulnerability

15.3 Safety Criteria in Geological Engineering

15.4 Prevention and Mitigation of Geological Hazards

15.5 Hazard and Risk Maps

Recommended Reading/References

Appendix A: Charts for Circular and Wedge Failure Analysis

Appendix B: Pressure Units Conversion Chart

Appendix C: Symbols and Acronyms

Appendix D: List of Boxes

Appendix E: Permissions to Reproduce Figures and Tables

Index

Luis I. González de Vallejo; Professor of Geological Engineering at the Complutense University of Madrid, where he is also Director of the MSc Courses in Geological Engineering. He has dedicated his professional career in geological engineering to consulting, research and teaching, and he has conducted a large number of geological and geotechnical investigations for the design and construction of tunnels, dams and foundations in Spain and Central and South America, including landslide and earthquake hazard analysis, large excavations and site assessment for nuclear power plants and radioactive waste disposal.

He has written over 120 papers in journals and proceedings as well as five books. Associate Editor of Soils and Rocks and Member of the Editorial Board of several scientific journals, he has been invited to present the 2nd Mariano Ruiz Vazquez Lecture, at the Academy of Engineering of Mexico, in 2007, and the XXVII Manuel Rocha Lecture, at the Portuguese Geotechnical Society, in 2010.

Mercedes Ferrer; Senior Research Officer at the Geological Survey of Spain and Associate Lecturer on Rock Mechanics at the Complutense University of Madrid, where she graduated in Geological Sciences and obtained her doctorate for her research on the deformability and failure mechanisms of soft rocks. She has carried out research projects on geological hazards in Spain, Italy and Central and South America, particularly on landslides and geo-hazard mapping for urban planning, mitigation and prevention purposes.

She has written over 100 papers and research reports on geological hazards, landslides and slope stability. At present she is leading a research project on the causes and failure mechanisms of the mega-rockslides of volcanic islands flanks.

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