Modern Concrete Technology

1. Introduction Some Definitions. Purpose and Role of Aggregates. Consumption of Aggregates. Challenging Issues for Concrete Aggregates. Texts on Concrete Aggregates. Scope and Objectives of this Book. References 2. Natural Aggregate Sources and Production Origin and Classification of Aggregates. Sources and Production of Natural Aggregates. Sampling of Aggregates. Summary of National Usage. Closure. References 3. Properties and Characterisation of Aggregates Physical Properties of Aggregates. Chemical and Durability Properties of Aggregates. Aggregate Petrography. Closure. References 4. Aggregates in Plastic Concrete Characterising the Plastic Properties of Concrete. Empirical Approaches. Mixes of 'Normal' Consistence or Workability. Fundamental Approaches. Influence of Aggregates on the Plastic Properties of Concrete. Aggregates and Concrete Mix Proportioning. Closure. References 5. Aggregates in Hardened Concrete - Physical and Mechanical Properties Fundamental Aspects. Concrete Strength. Concrete Fracture Properties. Concrete Deformation Properties. Influence of Aggregate Volume Content. Aggregate Dimensional Stability, Thermal Properties, and Corresponding Concrete Properties. Closure. References 6. Aggregates in Hardened Concrete: Durability and Transport Properties Concrete Transport Properties. Concrete Deterioration Mechanisms Relating to Aggregates. Closure. References 7. Special Aggregates and Special Concretes Low Density Aggregates. High Density Aggregates. Aggregate Requirements for Special Concretes. Aggregates Derived from Industrial Waste Materials. Porous Aggregates for Internal Curing of Concrete. Aggregates for Refractory Concrete. Abrasion Resistant Aggregates. Closure. References 8. Standards for Aggregates Standard Specifications for Aggregates. Standard Tests for Aggregates. Developments in Aggregate Standards. Closure. References Appendix A: Lists of Standards - ASTM, CSA, BS, SANS Appendix B: BS EN Standards