When it comes to using reinforcements to grant better mechanical performance to soils, geosynthetics, one of the newest groups of building materials, have become mandatory in almost all works of infrastructure, draining applications, waterproofing, paving, erosion control and soil reinforcement. This volume presents the basic mechanisms associated with soil-reinforcement interaction and a rational design method for reinforced soil-retaining structures. Concepts are described with didactic and theoretical rigor, fulfilling the practical needs of engineers involved in the design, construction and inspection of reinforced soil structures.
1. Introduction2. Soil–Reinforcement Interaction2.1. Concepts of reinforced soil2.2. Characteristics of geosynthetics for reinforcement2.3. Soil behavior2.4. Influence factors on reinforcement tension
3. Analysis and design3.1. Introduction3.2. External Stability3.3. Internal Stability3.4. Determination of maximum reinforcement tension3.5. Determination of the location of reinforcement maximum tension point3.6. Pullout analysis3.7. Reinforcement and facing connections3.8. Design Resistance of reinforcements3.9. Stress increments due to surcharge loadings3.10. Lateral displacement and strain prediction3.11. Case studies
4. Constructive Aspects4.1. Type of reinforcement4.2. Type of facing and construction procedure4.3. Arrangement of reinforcements4.4. Drainage system4.5. Backfill material4.6. Quality control and constructive tolerances4.7. Guardrails
5. Design Example5.1. Soil and wall characteristics5.2. External stability analysis5.3. Internal stability analysis5.4. Comparison of methods for reinforcement tension determination5.5. Wall final arrangement
Appendix – Design Charts
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