effect of cement replacement by silica fume and fly ash ppt

Effect of Cement Replacement by Silica Fume and Fly Ash

Feb 15, 2021  Explore Effect of Cement Replacement by Silica Fume and Fly Ash with Free Download of Seminar Report and PPT in PDF and DOC Format. Also Explore the Seminar Topics Paper on Effect of Cement Replacement by Silica Fume and Fly Ash with Abstract or Synopsis, Documentation on Advantages and Disadvantages, Base Paper Presentation Slides for IEEE Final

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Fly ash and silica fume concrete mix design - SlideShare

Apr 08, 2017  OBJECTIVES To study the effect of partial replacement of cement with fly ash and silica fume. Evaluation of the compressive strength of high volume fly ash concrete. To find out the optimum percentage of replacement of fly ash. To know the strength variations with use of fly ash and silica fume to the normal concrete. 5.

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TOTAL REPLACEMENT OF CEMENT USING SILICA FUME AND

effects of silica fume and fly ash. If the dosage of SP is varied with the silica fume and fly ash replacement percentage, then the variations in the concrete strength will occur not only due to variations in the silica fume or fly ash contents but also due to change in the dosage of SP [6].

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RESEARCH ON EFFECT OF SILICA FUME AND FLY ASH WITH

The optimization of the effect of silica fume and fly ash with partial replacement of cement and fine aggregates. Investigate the effect of silica fume and fly ash on mechanical property of concrete. At What percentage of partial replacement we will achieve the optimum result, increase in the strength of concrete

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Effect of Microsilica and fly ash on the strength of concrete

This replacement was made by considering water-cement ratio as 0.45 and it has been observed that about 5% replacement of cement by microsilica cement improves compressive strength and flexural strength of the concrete specimens. Index Terms— Fly-ash, Slag, Micro-Silica, Concrete ... 2004) Effect of silica . fume on the mechanical properties ...

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Effect of cement replacement by silica fume and fly ash - Silica

Effect of cement replacement by silica fume and fly ash: – The higher the percentage of FA the higher the values of concrete compressive strength until 30% of FA. However, the highest value of concrete compressive strength is obtained from mix containing 15% SF.

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(PDF) Study of Partial Replacement of Cement by Silica Fume

on concrete with and w ithout varying proportions (5%, 10% and 15%) o f silica fume replacement at the age of 7days, 14 day s and 28 days were noted. The cubes were teste d using compression ...

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Effect of fly ash and silica fume on compressive strength of self

Jun 01, 2011  For this study, two cement contents are used (i.e., 450 kg/m 3 and 550 kg/m 3), the quantities of materials used for two cement content are illustrated in Table 2, Table 3.Three types of concrete mix are chosen, the first one (type I) was combination of plain concrete (PC) and fly ash (FA), the second (type II) was combination of PC and silica fume (SF), and the third one (type III) was ...

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Effect of Replacement of Cement by Silica Fume

A superplastisizer (1% by weight of cement) was added to this slurry which increased infiltration capacity of the slurry. To study the effect of replacement of cement by silica fume on SIFCON, slurry was prepared by replacing cement by silica fume at varying percentages like 5%, 10%, 15%, 20%, 25% and 30% by weight of cement.

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Cement Replacement Materials (CRM) in Concrete - Structville

Jan 20, 2021  Cement replacement materials (CRM) are materials that can be used for substituting cement in the production of concrete or other cementitious products. For a material to be used as a cement replacement material, it must possess pozzolanic properties. In the recent wake of the need to produce sustainable concrete, conserve the environment, reduce greenhouse effects in construction,

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Fly ash and silica fume concrete mix design - SlideShare

Apr 08, 2017  OBJECTIVES To study the effect of partial replacement of cement with fly ash and silica fume. Evaluation of the compressive strength of high volume fly ash concrete. To find out the optimum percentage of replacement of fly ash. To know the strength variations with use of fly ash and silica fume to the normal concrete. 5.

More

Supplementary Cementing Materials.ppt Fly Ash Concrete

Supplementary Cementing Materials. Introduction Fly ash, ground granulated blast-furnace slag, silica fume, and natural pozzolans, such as calcined shale, calcined clay or metakaolin, are materials that, when used in conjunction with Portland or blended cement, contribute to the properties of the hardened concrete through hydraulic or pozzolanic activity or both.

More

TOTAL REPLACEMENT OF CEMENT USING SILICA FUME

effects of silica fume and fly ash. If the dosage of SP is varied with the silica fume and fly ash replacement percentage, then the variations in the concrete strength will occur not only due to variations in the silica fume or fly ash contents but also due to change in the dosage of SP [6].

More

RESEARCH ON EFFECT OF SILICA FUME AND FLY ASH WITH

The optimization of the effect of silica fume and fly ash with partial replacement of cement and fine aggregates. Investigate the effect of silica fume and fly ash on mechanical property of concrete. At What percentage of partial replacement we will achieve the optimum result, increase in the strength of concrete

More

Effect of Cement on Silica Fume and Flyash Fly Ash Concrete

EFFECT OF FLY ASH AND SILICA FUME ON CONCRETE. 1.0 INTRODUCTION. Earlier notion of using high amounts of cement for concrete has now changed on favour of increased use of high amounts of mineral ad-mixtures and super plasticizers with reduced amounts of cement and water in the concrete mixtures. Energy plays a crucial role in growth of developing countries, like India.

More

Effect of Replacement of Cement by Silica Fume

A superplastisizer (1% by weight of cement) was added to this slurry which increased infiltration capacity of the slurry. To study the effect of replacement of cement by silica fume on SIFCON, slurry was prepared by replacing cement by silica fume at varying percentages like 5%, 10%, 15%, 20%, 25% and 30% by weight of cement.

More

Comparative Study of the Characteristics of Nano Silica–,

Keywords: nano silica, silica fume, fly ash, mortar, FTIR, TG–DTG 1. Introduction The cement industry is considered to be one of the most energy consuming industries, which is also responsible for approximately 6-7% of the global man-made CO 2 emissions

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Influence of Silica Fume and Fly Ash on Settlement Cracking Intensity of Plastic Concrete

Using mineral admixtures as cement replacement substance in concrete tends to increase in the future to provide greater sustainability in the construction industry. This paper aimed to study the influence of adding silica fume and fly ash as a weight of cement replacement on settlement cracking intensity of plastic concrete. Fifty-six mixtures were cast to evaluate the purpose of this study.

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Cement Replacement Material - an overview ScienceDirect Topics

Cement replacement materials are necessary, including coal fly ash, ground granulated blastfurnace slag, silica fume, ground glass natural pozzolans or calcined clay (eg, metakaolin). Recycled and waste materials can be used to replace aggregates, materials such as recycled glass, brick and concrete and incineration bottom ash.

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Cement Replacement Materials (CRM) in Concrete - Structville

Jan 20, 2021  Cement replacement materials (CRM) are materials that can be used for substituting cement in the production of concrete or other cementitious products. For a material to be used as a cement replacement material, it must possess pozzolanic properties. In the recent wake of the need to produce sustainable concrete, conserve the environment, reduce greenhouse effects in construction,

More

Effect of Micro-Silica on Mechanical Properties of Concrete

The reason for gain of strength in fly ash cement (PPC) could be fast reaction between fly ash and silica-fume particles due to fine nature. 44.73. It is observed that up to 12% replacement of cement with silica fume the Compressive strength increases with increasing dose of silica Fume

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PPT – Fly Ash in Concrete PowerPoint presentation free to

FLY ASH CONCRETE - ... replacement of Portland Cement. Improves strength,segregation and ease of pumping the concrete. ... Mechanical Properties Improving Durability Enhancing Constructability Producing High-Performance Concrete Bridges Silica Fume is Not a Cement Replacement ... The PowerPoint PPT presentation: "Fly Ash in Concrete" is the ...

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PPT – FLY ASH CONCRETE PowerPoint presentation free to view

self compacting concrete - EFFECT OF W/C RATIO ON SELF COMPACTING CONCRETE OF M70 GRADE WITH FLY ASH AND ... Mechanical Properties Improving Durability Enhancing Constructability Producing High-Performance Concrete Bridges Silica Fume is Not a Cement Replacement ... The PowerPoint PPT presentation: "FLY ASH CONCRETE" is the property of its ...

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Effect of Fly Ash on Strength and Durability Parameters of

Fly ash used was confirming to grade1 of IS: 3812-1981 and was supplied by Fly ash is collected from RTPP. The fly ash is used as a partial replacement of cement. The properties of fly ash are shown in Table 3. Table 3: Properties of fly ash . Specific gravity 2.5 Physical form Table 5: Powder Size Mix(Micron) 0.1 Colour Dark grey SIO. 2

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Effects of Silica Fume and Fly Ash as Partial Replacement of Cement

Feb 17, 2014  The replacement levels of OPC by Silica Fume were 0%, 2.5%, 5%, 7.5%, 10%, 15% and 20% where replacement levels of OPC by Fly Ash were 0%, 5%, 10%, 15%, 20%, 25% and 30%. 1% super-plasticizer was used in all the test specimens for high performance (i.e., high workability at lower water-binder ratio) and to identify the sharp effects of Silica ...

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Supplementary Cementing Materials.ppt Fly Ash Concrete

Supplementary Cementing Materials. Introduction Fly ash, ground granulated blast-furnace slag, silica fume, and natural pozzolans, such as calcined shale, calcined clay or metakaolin, are materials that, when used in conjunction with Portland or blended cement, contribute to the properties of the hardened concrete through hydraulic or pozzolanic activity or both.

More

Effect of micro-silica fume and fly ash as a partial replacement of cement

If the decreasing cement quantity used in concrete by replacing it with pozzolanic materials leads to required concrete properties, therefore, decreasing cost and the environment protection is the main goal. The current study investigated the fresh and early strength properties of normal concrete (NC) containing fly ash (FA) and silica fume (SF).

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Effect of Cement on Silica Fume and Flyash Fly Ash Concrete

EFFECT OF FLY ASH AND SILICA FUME ON CONCRETE. 1.0 INTRODUCTION. Earlier notion of using high amounts of cement for concrete has now changed on favour of increased use of high amounts of mineral ad-mixtures and super plasticizers with reduced amounts of cement and water in the concrete mixtures. Energy plays a crucial role in growth of developing countries, like India.

More

PPT – FLY ASH CONCRETE PowerPoint presentation free to view

self compacting concrete - EFFECT OF W/C RATIO ON SELF COMPACTING CONCRETE OF M70 GRADE WITH FLY ASH AND ... Mechanical Properties Improving Durability Enhancing Constructability Producing High-Performance Concrete Bridges Silica Fume is Not a Cement Replacement ... The PowerPoint PPT presentation: "FLY ASH CONCRETE" is the property of its ...

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PPT – Fly Ash in Concrete PowerPoint presentation free to

FLY ASH CONCRETE - ... replacement of Portland Cement. Improves strength,segregation and ease of pumping the concrete. ... Mechanical Properties Improving Durability Enhancing Constructability Producing High-Performance Concrete Bridges Silica Fume is Not a Cement Replacement ... The PowerPoint PPT presentation: "Fly Ash in Concrete" is the ...

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Effect Of Fly Ash On Cement Ppt Slides

Effect Of Fly Ash On Cement Ppt Slides. ... Apr 08 2017 effect of fly ash and silica fume on concrete properties workability fly ash increases workability when compared with conventional concrete with same water content the use of good quality fly ash with a high fineness and low carbon content reduces the water demand of concrete fresh ...

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Comparative Study of the Characteristics of Nano Silica–,

Keywords: nano silica, silica fume, fly ash, mortar, FTIR, TG–DTG 1. Introduction The cement industry is considered to be one of the most energy consuming industries, which is also responsible for approximately 6-7% of the global man-made CO 2 emissions

More

Effect of Fly Ash on Strength and Durability Parameters of

Fly ash used was confirming to grade1 of IS: 3812-1981 and was supplied by Fly ash is collected from RTPP. The fly ash is used as a partial replacement of cement. The properties of fly ash are shown in Table 3. Table 3: Properties of fly ash . Specific gravity 2.5 Physical form Table 5: Powder Size Mix(Micron) 0.1 Colour Dark grey SIO. 2

More

Silica fume concrete ppt - Silica Fume for Sale, Microsilica

Effect of Cement Replacement by Silica Fume and Fly Ash The modulus of elasticity of concrete containing silica fume is somewhat higher than is the case with Portland cement only concretes of similar strength it has been reported that concrete containing silica fume is more brittle. (PDF) Effect of Silica Fume on Workability and Compressive

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Durability properties of fly ash and silica fume blended

The partial replacement of cement with silica fume and fly ash in the concrete improves the overall property of the concrete, gives a way for the reuse of the supplementary material to be efficiently brought back giving a cleaner environment. The fly ash is used with the replacement percentages of 10, 15 and 20 of the cement whereas for silica ...

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(PPT) high performance concrete Sachin Tiwari - Academia.edu

Muhit, Silica Fume and Fly Ash as Partial Replacement of Cement on Water Permeability and Strength of High Performance Concrete”ACEE, Bangladesh,canada CONT Owing to its pozzolanic properties, fly ash is used as a replacement for some of the Portland cement content of concrete. 75% of the ash must have a fineness of 45 μm or less, and ...

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Effect of Silica Fume on Concrete Properties and

without silica fume. Concrete containing silica fume shows substantial reduced bleeding. Additionally, silica fume reduces bleeding by physically blocking the pores in the fresh con-crete. Use of silica fume does not signi cantly change the unit weight of concrete. 2.4 Effect of Silica Fume on the Hardened Properties of Cement/Mortar/Concrete

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ROLE OF FLY ASH AND SILICA FUME ON COMPRESSIVE

To study the effect of fly ash and silica fume in the compressive strength characteristic of high performance concrete specimens were cast and for the combination mentioned in Table 3 Fly ash has been used as cement replacement material for ( 0%, 10%, 20% and 25% ) cement replacement level with different values of Silica

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