Lecture 1: Production and Composition
Lecture Details :
Concrete Technology by Dr. B. Bhattacharjee,Department of Civil Engineering,IIT Delhi.For more details on NPTEL visit http://nptel.ac.in
Course Description :
Cement : Production, composition, and properties; cement chemistry;
Types of cements; special cements.
Aggregates : Mineralogy; properties, tests and standards.
Chemical and mineral admixtures : Water reducers, air entrainers, set controllers, specialty admixtures - structure properties, and effects on concrete properties - Introduction to supplementary cementing materials and pozzolans - Fly ash, blast furnace slag, silica fume, and metakaolin - their production, properties, and effects on concrete properties - Other mineral additives - reactive and inert.
Concrete mix design : Basic principles; IS method; ACI method; new approaches based on rheology and particle packing.
Concrete Production & Fresh concrete : Batching of ingredients; mixing, transport, and placement - Consolidation, finishing, and curing of concrete; initial and final set - significance and measurement - Workability of concrete and its measurement - Engineering properties of concrete : Compressive strength and parameters affecting it - Tensile strength - direct and indirect; Modulus of elasticity and Poisson's ratio - Stress strain response of concrete.
Dimensional stability and durability : Creep and relaxation - parameters affecting; Shrinkage of concrete - types and significance - Parameters affecting shrinkage; measurement of creep and shrinkage.
Durability of concrete : Introduction to durability; relation between durability and permeability - Chemical attack of concrete; corrosion of steel rebars; other durability issues.
Special concretes : Properties and applications of: High strength - high performance concrete, reactive powder concrete - Lightweight, heavyweight, and mass concrete; fibre reinforced concrete; self-compacting concrete; shotcrete; other special concretes.