Titlebook: Supplementary Cementing Materials; Rafat Siddique,Mohammad Iqbal Khan Book 2011 Springer-Verlag Berlin Heidelberg 2011

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Fly Ash,ctrical precipitators or bag houses and fabric filters, approximately 85–99% of the ash from the flue gases in retrieved in the form of fly ash. Fly ash accounts for 75–85% of the total coal ash, and the remainder is collected as bottom ash or boiler slag.

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Book 2011rises of five chapters. Each chapter is devoted to a particular supplementing.cementing material. It is based on the literature/research findings published in.journals/conference proceeding, etc. Topics covered in the book are; coal fly ash, silica fume.(SF), granulated blast furnace slag (GGBS), me

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Fly Ash,purities in the coal (clay, feldspar, quartz, and shale) fuse in suspension and float out of the combustion chamber along with exhaust gases. As the fused material rises, it cools and solidifies into spherical glassy particles called fly ash. It is a fine-grained, powdery particulate material that i

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Silica Fume,production of elemental silicon or alloys containing silicon”. It is usually a grey colored powder, somewhat similar to Portland cement or some fly ashes. It can exhibit both pozzolanic and cementitious properties.

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Ground Granulated Blast Furnace Slag,of iron-ore, coke and limestone, and operated at a temperature of about 1,500°C. When iron-ore, coke and limestone melt in the blast furnace, two products are produced—molten iron, and molten slag. The molten slag is lighter and floats on the top of the molten iron. The molten slag comprises mostly

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Metakaolin,at a temperature between 500°C and 800°C. Between 100 and 200°C, clay minerals lose most of their adsorbed water. Between 500 and 800°C kaolinite becomes calcined by losing water through dehydroxilization. The raw material input in the manufacture of metakaolin (Al.Si.O.) is kaolin clay. Kaolin is a

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Rice Husk Ash,ure and environment of burning yields better quality of rice-husk ash as its particle size and specific surface area are dependent on burning condition. The ash produced by controlled burning of the rice husk between 550°C and 700°C incinerating temperature for 1 h transforms the silica content of t

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Rice Husk Ash,he ash into amorphous phase. The reactivity of amorphous silica is directly proportional to the specific surface area of ash. The ash so produced is pulverized or ground to required fineness and mixed with cement to produce blended cement.