1. Concrete and Constituents of Concrete (6 hours)

1.1 Introduction to concrete and use of concrete in structures

1.2 Constituents of concrete

1.2.1 Aggregates (Properties and their gradation)

1.2.2 Cement: Compound composition of cement (Bogue’s compound) and their properties, hydration of cement, strength of cement

1.2.3 Water (Quality/requirements of water for concrete)

1.2.4 Admixtures: Chemical admixtures and mineral admixtures, use of chemical admixtures (Plasticizers, Super-plasticizers, accelerator, retarder, air entraining agents, water proofer), properties, use and different types of mineral admixtures (Fly ash, blast furnace slag, silica fume, rice husk ash, meta-kaolin)

1.3 Structure of concrete: Concrete as three phase system (aggregate, hydrated cement paste and transition zone phases)