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geopolymer concrete, the aggregates occupy 5075 % of the total mass of matrix. III. MATERIALS FLY ASH GGBS Fly Ash: The Fly ash was used as a partial replacement for cement. The fly ash used in the experiments was from Ramagundam thermal power station (NTPC). The specific gravity was The fly ash had a silica content of %,
The materials used in this experiment were GGBS, FLY ASH, fine aggregate, coarse aggregate and water. GGBS and FLY ASH: The chemical composition of Ground Granulated Blast Furnace Slag and Fly Ash is similar to that of cement clinker. TABLE: 1 CHEMICAL PROPERTIES OF GGBS, FLY ASH Material SIO 2 Al 2 O 3 Fe 2 O 3 CaO Mgo SO 3 K 2 O Na 2 O ...
Fly ash can be used with Portland cement to improve the performance and workability of the concrete. Typical substitution rates are between 15 – 30%. Fly ash reduces the risk of sulfate and chlorine ingress as well as help to protect against ASR from certain aggregates.
The fineness and standard consistency tests were conducted on cement, fly ash, Msand and coarse aggregate. The fineness test results for OPC grade is less than 10. The cement, fly ash and other material contents have satisfied the recommendations of OPC. The standard consistency test is to find out the percentage of water to be added to the ...
The effect of GGBS and fly ash as partial cement replacement was examined on concrete cubes, cylinder and beams. In this research paper we have kept percentage of fly ash for every trial constant except for conventional trial and GGBS was used to replace cement partially from 40% up to 70% while keeping fly ash 25% as constant throughout.
Reduced alkali silica reactivity, fly ash combines with alkalis in cement that might otherwise combine with silica from aggregates, causing destructive expansion. FLY ASH CONCRETE IS BETTER FOR THE ENVIRONMENT. More than 12 million tons of coal fly ash are used in concrete .
Jun 17, 2020· In the present work, a geopolymer concrete composite is developed using GGBS, Fly ash and superplasticizer. Two types of samples are prepared with increasing dosage of superplasticizer ( 1%, 2% and 3%). In the first case, only ground granulated blast furnace slag is used and in the second case, 50% GGBS with 50% Fly ash is used.
We provide a wide range of both bulk and packed cement products from our plants in Cauldon, Staffordshire and Cookstown, County Tyrone. To find out more about our products see the range below.
Jan 01, 2019· In this investigation, in order to produce concrete lowcalcium fly ashbased geopolymer is utilized as binder instead Portland cement. The fly ashbased geopolymer paste binds the loose coarse aggregates, fine aggregate sand other unreacted materials together to form the geopolymer concrete, with or without the presence of admixtures.
Mar 06, 2017· specific gravity density (kg/m3 ) value 1 fly ash 2 ggbs 3 fine aggregate 1588 4 coarse aggregate 1602 4. METHODOLOGY PREPARATION OF ALKALINE SOLUTION The qualities of Geopolymer cement is .
Also, concrete raw materials such as aggregate, cement, fly ash and blast furnace slag have been measured. The radioactivity values of Ra226, Th232 and K40 in fly ash and those of Ra226 in ...
Fly ash collected at later stages of electrostatic precipitator is finer than the fly ash collected at initial stages of electrostatic precipitator. GGBS Groundgranulated blastfurnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a byproduct of iron and steelmaking) from a blast furnace in water or steam, to produce a ...
UK: Aggregate Industries has launched its Lafarge Endure SR, a CEM II blended cement product that uses fly ash. It says that the product has a lower embodied CO 2, has improved plastic and hardened properties when used in concrete and has enhanced suitability for all ground types.
Sep 29, 2018· Effect of partial replacement of GGBS slag as fine aggregate and fly ash as cement on strength of concrete, International Journal of Advance Research, Ideas and Innovations in Technology, APA Deepak S Mhatre (2018). Effect of partial replacement of GGBS slag as fine aggregate and fly ash as cement on strength of concrete.
About Aggregate Industries. We''re at the frontline of the construction and infrastructure industries, producing and supplying an array of construction materials. With over 200 sites and more than 3900 dedicated employees, we''re home to everything from aggregates, asphalt, readymixed concrete and precast concrete products.
May 01, 2019· The combination of GGBS and fly ash can provide excellent synergetic effects on workability and mechanical performance for the geopolymer concrete with recycled coarse aggregates, fly ash and GGBS are mainly responsible for the former and the latter, respectively. (2) GRAC may provide higher slump value than OPC concrete with same W/B ratio.
These materials are the byproducts you can get from the industries like power plants. Ground Granulated Blast Furnace Slag (GGBS): GGBS is a byproduct which can be obtained from the blastfurnaces used to make iron. Fly Ash: Fly ash is obtained from the powdered coal burning mostly in .
The present investigation aims to investigate the strength properties of class F fly ash (FA) and ground granulated blast furnace slag (GGBS) based geopolymer concrete (GPC) using granite slurry ...
Feb 17, 2019· Benefits . Fly ash can be a costeffective substitute for Portland cement in many markets. Fly ash is also recognized as an environmentally friendly material because it is a byproduct and has low embodied energy, the measure of how much energy is consumed in producing and shipping a building contrast, Portland cement has a very high embodied energy because its production .
Evaluation of Strength and Durability of Geo Polymer Concrete written by Geena George, Chaithra P published on 2020/09/05 download full article with reference data and citations
gravity of ggbs, fly ash, Msand, coarse aggregates. The result of specific gravity is indicated in table (2) ity lag PERCENTAGE OF ash e e ate Table 3 Specific gravity of the materials FINENESS TEST 20 The fineness and standard consistency tests were conducted on cement, fly ash, Msand and coarse aggregate.
Our most versatile cement. Portland Cement is the most commonly used cement in the UK. Suitable for a range of uses and produced to consistent quality indicators. Portland cement can be used on its own or in conjunction with other materials such as fly ash and GGBS. It is compatible with admixtures including plasticizers and airentrainers.
Key words: Compressive strength, Fly ash, GGBS, Recycled fine aggregate, Split tensile strength. Cite this Article: Pramod, Prakash Parashivamurthy, Yogananda, Srishaila J M, Combined Effect of GGBS and Fly Ash on Mechanical Properties of M25 Grade Concrete Made with Recycled Fine Aggregate, International Journal of Civil Engineering and
Portland Cement is the most commonly used cement in the UK. Suitable for a range of uses and produced to consistent quality indicators. Portland cement can be used on its own or in conjunction with other materials such as fly ash and GGBS. It is compatible with admixtures including plasticizers and air .
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