Cargando…
Science and technology of concrete admixtures /
Annotation
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford :
Woodhead Publishing,
2015.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Related titles; Science and Technology of Concrete Admixtures; Copyright; Contents; About the contributors; Woodhead Publishing Series in Civil and Structural Engineering; Preface; References; Acknowledgments; Introduction; References; Terminology and definitions; Introduction; Cement, cementitious materials, binders, fillers; Binary, ternary, and quaternary cements (or binders); Cementitous material content; Specific surface area; Alite and belite; Hemihydrate; Water-cement, water-cementitious materials, water-binder ratios.
- Saturated surface-dry state for an aggregate (SSD state)Water content, absorption, moisture content of an aggregate; Specific gravity; Superplasticizer dosage; Eutectic; Reference; Glossary; Historical background of the development of concrete admixtures; Early developments; The development of the science of admixtures; The use of admixtures; The use of synthetic molecules and polymers; An artificially complicated terminology; Classification of admixtures; The importance of cement particles dispersion; References; One
- Theoretical background on Portland cement and concrete.
- 1
- The importance of the water-cement and water-binder ratios1.1 Introduction; 1.2 The hidden meaning of the w/c; 1.3 The water-cement and water-binder ratios in a cement paste made with a blended cement; 1.3.1 Case of a blended cement containing a supplementary cementitious material; 1.3.2 Case of a blended cement containing some filler; 1.3.3 The relative importance of the w/c and w/b ratios; 1.4 How to lower the w/c and w/b ratios; 1.5 Conclusion; References; 2
- Phenomenology of cement hydration; 2.1 Introduction; 2.2 Le Chatelier's experiment; 2.3 Powers' work on hydration.
- 2.3.1 Hydration of a cement paste having a w/c ratio equal to 0.422.3.1.1 Hydration in a closed system; 2.3.1.2 Hydration under water; 2.3.2 Hydration of a cement paste having a w/c ratio equal to 0.36 cured under water; 2.3.3 Hydration of a cement paste having a w/c ratio equal to 0.60 cured in a closed system; 2.3.4 Hydration of a cement paste having a w/c ratio of 0.30; 2.3.4.1 Hydration in a closed system; 2.3.4.2 Hydration under water; 2.4 Curing low w/c ratio concretes; 2.4.1 Different types of shrinkage; 2.4.2 Curing concrete according to its w/c ratio; 2.5 Conclusion; References.
- 3
- Portland cement3.1 Introduction; 3.2 The mineral composition of Portland cement clinker; 3.3 The fabrication of clinker; 3.4 Chemical composition of Portland cement; 3.5 The grinding of Portland cement; 3.5.1 Influence of the morphology of the cement particles; 3.5.2 Why is calcium sulphate added when grinding Portland cement?; 3.6 The hydration of Portland cement; 3.7 Hydrated lime (portlandite); 3.8 Present acceptance standards for cements; 3.9 Side-effects of hydration reaction; 3.10 Conclusion; Appendices; Appendix 1; Tricalcium aluminate; Appendix 2; Ettringite; References.
- 4
- Supplementary cementitious materials and blended cements.