Applied geotechnics for construction projects . Volume 4 : retaining structures, soil reinforcement and improvement / / Ammar Dhouib

• Autore: Dhouib Ammar
• Pubblicazione: Hoboken, NJ : , : John Wiley & Sons, Inc., , [2023]; ©2023
• Descrizione fisica: 1 online resource (421 pages)
• Disciplina: 624.151
• Soggetto topico: Geotechnical engineering
• Nota di contenuto: Cover -- Title Page -- Copyright Page -- Contents -- Foreword -- Entrepreneur's Tribune: Geotechnics is at the Heart of Our Projects -- Preface -- Acknowledgments -- Symbols and Notations -- Introduction -- Chapter 1. Active and Passive Earth Pressures: Earth Retaining Structures -- 1.1. Active and passive earth pressures -- 1.1.1. Introduction -- 1.1.2. State of soils at rest -- 1.1.3. Active earth pressure in the soil -- 1.1.4. Passive earth pressure in the soil -- 1.1.5. Active and passive earth pressure forces -- 1.1.6. Active-passive pressure and back passive pressure: choice of incline -- 1.1.7. Active-passive earth pressures: specific cases -- 1.1.8. Effect of overloads -- 1.1.9. French practice -- 1.2. Behavior and sizing of earth retaining structures -- 1.2.1. Introduction: designing retaining structures -- 1.2.2. Classes of earth retaining structures -- 1.2.3. Limit conditions -- 1.2.4. History and path of the stresses -- 1.2.5. Behavior of rigid and flexible walls -- 1.3. Designing approaches -- 1.3.1. Classic failure analysis -- 1.3.2. Reaction coefficient method -- 1.3.3. Finite elements calculations -- 1.4. Method based on the reaction coefficient -- 1.4.1. Principle of the method -- 1.4.2. Soil/retaining structure reaction curve -- 1.4.3. Resolution method -- 1.4.4. Approaches for evaluating the reaction coefficient -- 1.5. The specific case of reinforced excavations -- 1.5.1. The principle of reinforcement -- 1.5.2. Horizontal stresses distribution diagrams -- 1.6. Subgrade stability -- 1.6.1. "Solid piping" -- 1.6.2. "Boiling" phenomenon -- 1.7. Applications -- 1.7.1. "Gravity" earth-retaining wall in a homogeneous soil mass -- 1.7.2. Study of a sheet piling using a classic failure analysis -- 1.7.3. Study of an advance shoring excavation -- 1.7.4. Project for a retaining diaphragm anchored by active tie rods. ; 1.8. Incidents: they can happen quickly! -- 1.8.1. Case of a sheet piling fixed in chalk -- 1.8.2. Retaining diaphragm walls with tie rods and anchored in a substratum -- 1.8.3. Alternate pass shell technique -- 1.9. Appendices -- 1.9.1. Appendix 1: Ground friction/strut sealing -- 1.9.2. Appendix 2: Steel reinforcement of continuous walls -- 1.9.3. Appendix 3: Stability of the tie rod mass (Kranz approach) -- 1.9.4. Appendix 4: Stability and comparison of approaches in earthquake calculation for retaining gravity walls -- 1.10. References -- Chapter 2. Soil Reinforcement and Improvement -- 2.1. Overview -- 2.1.1. Introduction -- 2.1.2. Historical and geographic context of the development of soil improvement techniques -- 2.1.3. The field and limits of the application of the different techniques -- 2.2. Reinforced Earth -- 2.2.1. Process -- 2.2.2. Construction method and displacement field -- 2.2.3. Displacement field -- 2.2.4. The surface of potential failure and tensile stresses in the reinforcement -- 2.2.5. Location and distribution of maximum tension in an RE wall -- 2.2.6. Friction between the soil and the RE reinforcement -- 2.2.7. Designing RE structures -- 2.2.8. The behavior of Reinforced Earth under triaxial shear testing -- 2.3. In situ soil nailing -- 2.3.1. The principles of nailing -- 2.3.2. The behavior of nailed walls -- 2.3.3. The interaction between the soil and the rod: the forces occurring around the rigid rod -- 2.3.4. The dimensions of the structures made from nailed earth -- 2.4. Soil reinforcement with micropiles -- 2.4.1. The principle of micropiles -- 2.4.2. Types of forces on micropiles and an assessment of possible actions -- 2.4.3. Theoretical study of an isolated micropile under centered axial load -- 2.4.4. An isolated micropile that causes a lateral reaction in the soil. ; 2.4.5. Buckling of a micropile embedded into the soil -- 2.4.6. The effect of a group or a network: efficiency coefficient (kef) -- 2.4.7. Designing structures reinforced by micropiles -- 2.4.8. The justification of Eurocode micropile -- 2.5. Applications -- 2.5.1. The mixed structure: Reinforced Earth and nailed walls -- 2.5.2. Construction crane on top of a group of micropiles -- 2.5.3. Comparing some French guidelines -- 2.6. Other techniques of in situ soil improvement -- 2.6.1. Compaction through vibration -- 2.6.2. Dynamic compaction -- 2.6.3. Soil-cement mortar columns carried out by jet grouting -- 2.6.4. Stone columns -- 2.6.5. In situ soil improvement through the use of rigid inclusions -- 2.6.6. Deep compaction/solid injection -- 2.6.7. Mixing the soil with a binder: the lime-cement column -- 2.6.8. Consolidation by pre-loading -- 2.6.9. Vacuum consolidation -- 2.6.10. Other techniques -- 2.6.11. Classical injections -- 2.6.12. Soil freezing -- 2.6.13. Some economic data -- 2.7. Approaches to design -- 2.8. Applications -- 2.8.1. The study of embankment on stone columns -- 2.8.2. Study of an industrial paving on vertical rigid inclusions topped by stone columns -- 2.8.3. Reduction of the risk of liquefication with the vibro stone columns -- 2.8.4. The behavior of rigid inclusions under general rafts -- 2.9. A what not to do! -- 2.9.1. Case 1: building on stone columns -- 2.9.2. Data relative to the soil in case 1 -- 2.9.3. Improving soils with stone columns (case 1) -- 2.9.4. Case 2: store with semi-rigid inclusions -- 2.9.5. Others ("school case") -- 2.10. Appendices -- 2.10.1. Appendix 1: Sizing chart of the lateral limit friction between the soil/nail (Clouterre 1991) -- 2.10.2. Appendix 2: Practical sizing charts of stone columns. ; 2.10.3. Appendix 3: Sizing charts for the global safety coefficient of embankments on soil treated with stone columns -- 2.10.4. Appendix 4: Structural verification of the support plate and the tie rod beams -- 2.11. References -- Chapter 3. Underground Works: Convergence-Confinement Method -- 3.1. Introduction -- 3.1.1. Underground cavities -- 3.1.2. Definition of a tunnel and its supporting structures -- 3.2. Failure area at the vault of the tunnel and forces -- 3.2.1. Failure area at the vault of the tunnel -- 3.2.2. Forces on the supporting structures -- 3.3. Displacement of the receiving terrains -- 3.3.1. Convergence of tunnels and extrusion -- 3.3.2. Surface displacement ("subsidence") -- 3.4. Mechanic behavior of tunnels -- 3.4.1. "Convergence-confinement" method -- 3.4.2. Simple methodology for estimating settlement -- 3.5. Dig methods and retaining structure types -- 3.5.1. Dig methods -- 3.5.2. Requirements and support types -- 3.6. Practical applications -- 3.6.1. Estimating the settlements empirically -- 3.6.2. Some practical results relating to surface settlement -- 3.6.3. Modeling with plane deformations -- 3.7. References -- French, European and ISO Standards in the Field of Geotechnics -- Index -- Summaries of Other Volumes -- EULA.
• Titolo autorizzato: Applied geotechnics for construction projects
• ISBN: 1-394-19231-2; 1-394-19229-0
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910829869403321
• Lo trovi qui: Univ. Federico II