Environmental Geomechanics

Bernard Schrefler is professor of Structural Mechanics at the University of Padua. He received his Ph.D. at the University of Wales Swansea where he obtained subsequently a Doctor of Science degree. He was awarded an Honorary Doctor of Science from the St. Petersburg State Polytechnical University, from the Technical University of Lodz and an Honorary Degree from the University of Wales Swansea as well as a Honorary Guest Professorship from the University of Technology of Dalian. He is author of over 350 publications, author/co-author of 5 textbooks and editor/co-editor of 18 monographs and conference proceedings and is associate editor of Computer Methods in Applied Mechanics & Engineering, regional editor of Mechanics Research Communications and serves on the editorial board of 16 International Journals.

Pierre Delage is Professor of Geotechnical Engineering at Ecole Nationale des Ponts et Chaussées (ENPC), Paris, France and Head of CERMES, the Centre? for Teaching and Research in Soil Mechanics of ENPC. He is also Vice-Chairman of the French Geotechnical Association (CFMS), he has been Chief-Editor from 2000 to 2004 of the Revue Française de Géotechnique. He also participates to the Editorial Boards of Géotechnique (2000-2003), of the Geotechnical Testing Journal, ASTM (1997-present) and of Computers and Geotechnics, Elsevier, (2000-present).
His main research areas concern the coupled thermo-hydro-mechanical behaviour of soils with applications to unsaturated soils, polluted soils, nuclear waste confinement, soil microstructure, deep marine sediments. He is co-editor of 4 books and has published more than 150 scientific papers. He is frequently invited as panellist or Keynote lecturer in Internatonal Conferences.

Introduction xiii

Chapter 1. Debris Flows 1
Christophe ANCEY

1.1. Introduction 1

1.2. Typology of torrential flows 2

1.3. Initiation, motion and effects of debris flows 6

1.4. Modeling debris flows 12

1.5. Bibliography 30

Chapter 2. Snow Avalanches 39
Christophe ANCEY

2.1. Introduction 39

2.2. Modeling avalanches 45

2.3. Bibliography 65

Chapter 3. Instability of Soil Masses 73
Laurent VULLIET

3.1. Introduction 73

3.2. Slowly moving slopes 75

3.3. Limit state analysis 78

3.4. Case of non-saturated masses 84

3.5. Conclusion and prospects 90

3.6. Bibliography 91

Chapter 4. Instability of Rock Masses 93
François DESCOEUDRES

4.1. Introduction 93

4.2. Cliff stability and toppling 94

4.3. Contact-impact 99

4.4. Flight trajectory 101

4.5. Sliding and rolling 103

4.6. Impact on an embankment (safety embankment) 107

4.7. Capacity of the protective structures 111

4.8. Conclusion 114

4.9. Bibliography 114

Chapter 5. Subsidence Phenomena 117
Bernhard SCHREFLER and Luciano SIMONI

5.1. Subsidence caused by water withdrawal 117

5.2. Artificially-induced land uplift 141

5.3. Conclusions 146

5.4. Bibliography 147

Chapter 6. Soil Collapse due to Water Infiltration 149
Yu-Jun CUI and Pierre DELAGE

6.1. Introduction 149

6.2. The loess in Northern France 151

6.3. Conclusion 165

6.4. Bibliography 167

Chapter 7. Subsidence Induced by Fossil Fuel Extraction 171
Christian SCHROEDER, Yu-Jun CUI and Bernhard SCHREFLER

7.1. Introduction 171

7.2. Subsidence due to coal extraction 172

7.3. Recap of the basic Barcelona mode1 176

7.4. Subsidence due to oil exploitation 179

7.5. Subsidence due to the exploitation of gas reservoirs 185

7.6. Acknowledgements 197

7.7. Bibliography 197

Chapter 8. Deterioration of Stone in Monuments 201
Véronique VERGÈS-BELMIN

8.1. Introduction 201

8.2. Intrinsic degradation factors 202

8.3. Extrinsic degradation factors 214

8.4. Acknowledgements 240

8.5. Bibliography 240

Chapter 9. The Physics of Water Transfer in Stone 247
Jean-Paul LAURENT

9.1. General concepts and terminology 247

9.2. Water in stones: capillarity 250

9.3. Modeling water transfer in stone 263

9.4. Bibliography 271

Chapter 10. Experimental Techniques for Characterizing Alterations 275
Claude BRUNJAIL, Guy BASTIAN, Grégoire CHÉNÉ and Véronique VERGÈS-BELMIN. Updated by Philippe BROMBLET

10.1. Laboratory and in situ testing 275

10.2. Hydric and thermal transfers: specific techniques 296

10.3. Bibliography 303

Chapter 11. Case Studies 313
Jean GODIN, Claude BRUNJAIL, Véronique VERGÈS-BELMIN and Ann BOURGÈS

11.1. Notre-Dame-la-Grande Church in Poitiers, in situ study 313

11.2. Research on earthen plaster stabilized with bitumen and polychrome decoration: Navrongo
cathedral, North Ghana 321

11.3. Bibliography 330

Chapter 12. The Nature and Survey of Soil Pollution 333
Abdelmalek BOUAZZA, Pierre DELAGE and Michel WOJNAROWICZ

12.1. Introduction 333

12.2. The nature of soil pollution 334

12.3. The survey of contaminated sites 339

12.4. Conclusions 356

12.5. Bibliography 357

Chapter 13. Retention and Transfer of Soluble Chemical Pollutants: Mechanisms and Numerical
Modeling 361
Robert CHARLIER and Jean-Pol RADU

13.1. Introduction 361

13.2. Ideal pollutant transport in an ideal continuous medium 362

13.3. Pollutant retention phenomena 366

13.4. Balance equations 369

13.5. Numerical modeling of transport by advection 371

13.6. Finite elements modeling of the problem with advection and diffusion 372

13.7. Examples and applications 380

13.8. Conclusions 388

13.9. Acknowledgments 388

13.10. Bibliography 389

13.11. Notations table 390

Chapter 14. Retention and Transfer of Pollution by Hydrocarbons: Mechanisms and Numerical Modeling 393
Bernhard SCHREFLER and Pierre DELAGE

14.1. Introduction 393

14.2. Mechanisms 393

14.3. Numerical modeling 398

14.4. Conclusion 415

14.5. Bibliography 416

Chapter 15. Methods of Soil Environmental Remediation 419
Abdelmalek BOUAZZA, Michel WOJNAROWICZ and Mario MANASSERO

15.1. Introduction 419

15.2. Pollution control techniques 420

15.3. Active containment in situ 423

15.4. Passive treatment in situ 425

15.5. Active treatment in situ 429

15.6. Conclusions 453

15.7. Bibliography 454

Chapter 16. Liners for Waste Containment Facilities 459
Abdelmalek BOUAZZA, Michel WOJNAROWICZ and Mario MANASSERO

16.1. Introduction 459

16.2. Types of lining systems and definition of basic components 462

16.3. Mass balance of the contaminants 464

16.4. Functions, performance and modeling 465

16.5. Environmental impact evaluation (risk analysis) 466

16.6. Bottom barriers 469

16.7. Equivalence of liner systems 481

16.8. Composite liners 491

16.9. Conclusions 501

16.10. Bibliography 502

List of Authors 509

Index 513

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