Cement : OPC, 53 grade, specific gravity = 3.15, Fine aggregate : From river of Zone II Sp.gr. Recycled aggregate can be used for many purposes. The American Concrete Institute (ACI) presented a computational programme to design fly ash-blended concrete considering carbon dioxide (CO2) emission, strength and carbonation under different climate-change scenarios.. There are two basic types of fly ash: Class F and Class C. Key Words- Fly-ash, Ordinary Portland Cement, Mix Both types react in concrete in similar ways. Kaushal Kishore for submitting the paper on Concrete Mix Design with Fly Ash and Superplasticizer. Fly ash has also been used as embankment and mine fill, and it has i… We at engineeringcivil.com are thankful to Er. Concrete Mix Design with Fly Ash. Sodium hydroxide and sodium silicate were used as alkaline activator solutions (AAS). Pozzolanic Materials in Concrete - Pozzolanic materials are ones such as fly ash, silica fumes or slag and can be added to the mix to replace set quantities of cement. This will not only be a great help to fellow civil engineers but also in saving environment by using the waste fly ash. Our intent is not to write an endorsement or to rebuke the use of fly ash in concrete. The cost of fly ash is negligible. Index TermsGeopolymer concrete Mix design Fly ash - alkaline solution Compressive strength. FLY ASH IN CONCRETE: Fly ash could be an expensive replacement for Portland cement in concrete and using it, improves strength, segregation and ease of pumping concrete. The main benefit of fly ash for concrete is that it not only reduces the amount of non-durable calcium hydroxide (lime), but in the process converts it into calcium silicate hydrate (CSH), which is the strongest and most durable portion of the paste in concrete. INTRODUCTION se of concrete is globally accepted due to ease in operation, mechanical properties and low cost of production as compared to other construction materials. a method is described for use in the design of concrete mixes to give a required early strength and degree of workability when incorporating fly-ash. Fly ash or pulverished fuel ash (pfa) is a finely divided powder thrown out as a waste material at the thermal power plants using pulverized coal for raising steam in the boilers. Fly ash can be used as prime material in many cement-based products, such as poured concrete, concrete block, and brick. Fly ash is a common concrete admixture. Fly ash concrete uses less water than conventional concrete. Concrete Mix Design by DOE Method using Fly Ash: The use of fly ash as a part substitute of cement is fast gaining popularity throughout the world. International Journal of Civil Engineering and Technology, 7(6), 2016, pp.592–601. Fly ash is a finely divided residue that is usually the result of the combustion of powdered coal in boilers at about 2,500 degrees collected by precipitations. Example of Mix Design Burning of coal will generate fly ash. Ltd., Mumbai, pp. Testimonials, Mix design M40 Grade designed as per IS 10262:2009 & IS 456:2000, Mix design M25 Grade designed as per IS 10262:2009 & IS 456:2000, Mix design M30 Grade designed as per IS 10262:2009 & IS 456:2000, Mix design M35 Grade designed as per IS 10262:2009 & IS 456:2000, Free Civil Engineering Magazines and White Papers, Civil Engineering Notes From Universities, Geotechnical Investigation of a Construction Site, Explain briefly various types of Estimates, Design Calculation of an Isolated Footing, Types of Contracts in Construction Management, Factors Affecting Strength And Workability Of Concrete, Material = 1.12 x 430 = 482, Total = 0.3476. This is good for the environment and cost effective, so a win all round. 1. 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