Title Page -- Contents -- Foreword -- Chapter 1. Environmental, Economic and Social Context of Agro-Concretes -- 1.1. Sustainable development, construction and materials -- 1.1.1. Environmental impacts of the construction sector -- 1.2. Standardization and regulation: toward a global approach -- 1.2.1. Standardization and regulation in force -- 1.2.2. Limitations of the normative and regulatory framework -- 1.3. The materials: an increasingly crucial element -- 1.3.1. Role of the materials in energy consumption -- 1.3.2. What is a low-environmental-impact material? -- 1.3.3. Constantly-changing regulations -- 1.4. The specific case of concretes made from lignocellular particles -- 1.4.1. Development of agro-concretes in the context of France -- 1.5. What does the term "Agro-concrete" mean? -- 1.5.1. General definition -- 1.5.2. Lignocellular resources -- 1.5.3. General characteristics of lignocellular agro-resources -- 1.6. Conclusions -- 1.7. Bibliography -- Chapter 2. Characterization of Plant-Based Aggregates -- 2.1. Microstructure of the shiv particles -- 2.1.1. Structure of the stem of fibrous plants -- 2.1.2. SEM observation of hemp shiv particles -- 2.1.3. Chemistry of the cell walls -- 2.1.4. Density and porosity, in the case of hemp shiv -- 2.2. Particle Size Distribution (PSD) -- 2.2.1. General characteristics of aggregates made from fibrous plants -- 2.2.2. Fiber content -- 2.2.3. Methods for characterizing the PSD -- 2.2.4. PSD analyses -- 2.2.5. Comparison of the results obtained by image analysis -- 2.2.6. Characterization of the geometry of the particles -- 2.2.7. Characterization of the PSD -- 2.2.8. Conclusions -- 2.3. Compactness and compressibility -- 2.4. Water absorption capacity -- 2.5. Bibliography -- Chapter 3. Binders -- 3.1. Portland cements -- 3.1.1. General -- 3.1.2. Production.

3.1.3. Chemical and mineral composition -- 3.1.4. Properties -- 3.1.5. Environmental impacts -- 3.2. Lime -- 3.2.1. General -- 3.2.2. Aerial lime -- 3.2.3. Natural hydraulic limes -- 3.3. Lime-pozzolan mixtures -- 3.3.1. Natural pozzolans -- 3.3.2. Calcined natural pozzolans: metakaolin -- 3.3.3. Fly ash -- 3.3.4. Blast furnace slag -- 3.4. Plaster -- 3.4.1. General -- 3.4.2. Production -- 3.4.3. Chemical and mineralogical composition -- 3.4.4. Properties -- 3.4.5. Environmental impacts -- 3.5. Summary -- 3.6. Bibliography -- Chapter 4. Formulation and Implementation -- 4.1. Objectives -- 4.1.1. Preamble -- 4.1.2. Traditional applications -- 4.1.3. Constituents and mixture -- 4.1.4. Methods of implementation -- 4.2. Rules of formulation -- 4.2.1. Basis of usual formulations -- 4.2.2. Influence of the proportion of paste in the mixture -- 4.2.3. Quality of the paste and water content -- 4.2.4. Homogeneity of the paste -- 4.2.5. The relationship between formulation and strength -- 4.2.6. The relationship between formulation and thermo-hydric properties -- 4.3. Examples of formulations -- 4.3.1. Origin of the data -- 4.3.2. Walling application -- 4.3.3. Flooring application -- 4.3.4. Roofing application -- 4.3.5. Other applications -- 4.4. Installation techniques -- 4.4.1. Building a wall using formwork -- 4.4.2. Application by spraying -- 4.4.3. Laying of a floor -- 4.4.4. Creating a roof -- 4.4.5. Other uses -- 4.5. Professional rules for buildings using hempcrete and hemp mortars -- 4.5.1. History -- 4.5.2. Principles and content of the professional regulations -- 4.6. Bibliography -- Chapter 5. Mechanical Behavior -- 5.1. Composite material -- 5.1.1. Making of the test tubes -- 5.1.2. Mechanical behavior -- 5.1.3. Effect of initial compression -- 5.1.4. Effect of the nature of the binder -- 5.1.5. Influence of the binder content.

5.1.6. Influence of the particle size -- 5.1.7. Influence of the curing conditions -- 5.1.8. Evolution over time -- 5.1.9. Interaction between particles and binder -- 5.1.10. Anisotropic behavior -- 5.2. Modeling of the mechanical behavior -- 5.2.1. Empirical approach -- 5.2.2. Self-consistent homogenization approach -- 5.3. Toward the study of a stratified composite -- 5.4. Conclusion -- 5.5. Bibliography -- Chapter 6. Hygrothermal Behavior of Hempcrete -- 6.1. Introduction -- 6.2. Heat conductivity -- 6.2.1. Measurement of the conductivity -- 6.2.2. Modeling of the heat conductivity in dry and humid conditions -- 6.2.3. Heat transfers -- 6.3. Hygrothermal transfers -- 6.3.1. Experimental device -- 6.3.2. Stresses -- 6.3.3. Phase changes -- 6.3.4. Hygrothermal transfers -- 6.3.5. Role of coating products applied to hempcrete -- 6.3.6. Conclusions -- 6.4. Thermal characterization of various construction materials -- 6.4.1. Autoclaved aerated concrete -- 6.4.2. Vertically perforated brick -- 6.4.3. Hempcrete -- 6.4.4. Conclusions -- 6.5. Modeling of coupled heat- and mass transfers -- 6.5.1. Introduction -- 6.5.2. Transfer laws -- 6.5.3. Transfer model: the Künzel model -- 6.5.4. Determination of the transfer coefficients -- 6.5.5. Numerical modeling -- 6.6. Conclusions -- 6.7. Bibliography -- Chapter 7. Acoustical Properties of Hemp Concretes -- 7.1. Introduction -- 7.2. Acoustical properties of the material on the basis of the main mechanisms -- 7.2.1. Influence of the components -- 7.2.2. Influence of the casting method -- 7.3. Modeling the acoustical properties -- 7.3.1. Physical analysis of the acoustical properties being measured -- 7.3.2. The adapted double porosity model and its parameters -- 7.3.3. Experimental validation of the model -- 7.4. Application of the model to the acoustical characterization of shiv -- 7.4.1. Porosity of shiv.

7.4.2. Resistivity -- 7.5. Conclusion -- 7.6. Bibliography -- Chapter 8. Plant-Based Concretes in Structures: Structural Aspect - Addition of a Wooden Support to Absorb the Strain -- 8.1. Introduction -- 8.2. Preliminary test -- 8.2.1. Description of the panel -- 8.2.2. Putting the panel in place on the bracing bank -- 8.2.3. Longitudinal loading and measurement of the movements -- 8.2.4. Behavior of the test bank -- 8.2.5. Behavior of the wooden panel -- 8.3. Test on a composite panel of a wooden skeleton and hempcrete -- 8.3.1. Description of the panel -- 8.3.2. Emplacement of the panel on the bracing bank -- 8.3.3. Vertical loading -- 8.3.4. Longitudinal loading and measurement of the movements -- 8.3.5. Running of the test -- 8.3.6. Feature of the ruin of the panel -- 8.4. Results and comparative analysis -- 8.5. Conclusions and reflections -- 8.6. Acknowledgements -- 8.7. Bibliography -- Chapter 9. Examination of the Environmental Characteristics of a Banked Hempcrete Wall on a Wooden Skeleton, by Lifecycle Analysis: Feedback on the LCA Experiment from 2005 -- 9.1. Introduction -- 9.2. Description of the products studied -- 9.3. Method for environmental evaluation of bio-sourced materials -- 9.4. Lifecycle analysis on hempcrete - methodology, working hypotheses and results -- 9.4.1. Delimitation of the system under study -- 9.4.2. Inventory analysis -- 9.4.3. Impact evaluation -- 9.4.4. Results and interpretation of the lifecycle -- 9.5. Interpretations of the lifecycle, conclusions and reflections -- 9.6. Bibliography -- List of Authors -- Index.