CHAPTER ON FLY ASH FOR GRADUATE (CIVIL ENGINEERING) COURSE STUDENTS Subhash Chandra Sr Engineer AUD NTPC Limited Noida Office Fly Ash – A Resource Material Contents 1.Fly ash Introduction 1.1.General 1.2.Production and Classification 1.3.History of Fly Ash Utilization 1.4.Properties of Fly Ash 1.5.Geo-technical Properties 1.6.Chemical Properties 1.7.Quality of Fly Ash as per BIS, ASTM 2.Main avenues for use of fly ash 2.1Cement concrete and mortar 2.2Fill Material – Road and embankments construction 2.3Reclaim wasteland 2.4Mine filling 2.5Bricks, blocks and tiles Manufacturing 2.6Agricultural soil 2.7Ash Dykes 2.8Autoclaved Aerated Concrete 2.9Lightweight aggregates 2.10Cenosphere 3.Legal Issues – Ash Utilization 4.Major Successful examples 5.Conclusion 1Fly Ash Introduction 1.1General The Fly ash word sounds its own definition i.e. material which flies along with gases and ash – a residue of…