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ISSN Approved Journal No: 2456-3315 | Impact factor: 8.14 | ESTD Year: 2016
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| Paper Title: | Experimental Investigations on Alkali Activated Slag Flyash Concrete with Alternative Fine Aggregate |
| Authors Name: | PRADEEP N M |
| Download E-Certificate: | Download |
| Author Reg. ID: |
IJRTI_187523
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| Published Paper Id: | IJRTI2307030 |
| Published In: | Volume 8 Issue 7, July-2023 |
| DOI: | |
| Abstract: | Concrete is the most widely used construction material after water in the world and ordinary Portland cement (OPC) is the major ingredient used in concrete. The production of cement releases large amount of carbon dioxide (CO2) to the atmosphere that significantly contributes to greenhouse gas emissions. In terms of reducing the global warming, the geo-polymer technology could reduce the carbon-di-oxide emission to the atmosphere caused by Cement about 80%. Alkali Activated Slag - Fly ash Concrete (AASFC) is a binding material formed by the polymerization of source materials containing amorphous forms of alumina and silica & fly ash in presence of Alkali activated solutions. The objective of the present study is to evaluate the workability and engineering properties of AASFC by using Processed Iron Slag as fine aggregate. In the present study the binder used is GGBFS (Ground Granulated Blast Furnace Slag) which is a by-product from iron and steel industry. Also, the sand is partially replaced by Processed Iron Slag which reduces usage of river sand. Sodium hydroxide (NaOH) and Sodium Silicate (Na2Sio3) are used in alkaline activated solution. The performance of AASFC mixes for variations in Na2Sio3 /NaOH dosage, alkali solution/binder dosage and strength of sodium hydroxide solution has been illustrated. Mix design is done for M40 grade of concrete with alkaline liquid to binder ratio 0.4, varying Activator modulus (SiO2/Na2O) ratio (0.75, 1.25 and 1.75) and different Na2O dosage values (4%, 5% and 6%) for each of the mix. The strength value with these variations was determined. The experimental results indicate that it is possible to prepare AASFC Mixes with compressive strength above 40 MPa with good workability which is a preliminary requirement for application in rigid pavements. The experimental results indicate that Iron slag can be used as an alternative to sand as fine aggregate in alkali activated slag – fly ash concrete mixes for application in rigid pavements. |
| Keywords: | Rigid pavements, Alkali Activated Slag-Fly ash Concrete (AASFC), Iron slag, Ground Granulated Blast Furnace Slag (GGBFS). |
| Cite Article: | "Experimental Investigations on Alkali Activated Slag Flyash Concrete with Alternative Fine Aggregate", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.8, Issue 7, page no.186 - 193, July-2023, Available :http://www.ijrti.org/papers/IJRTI2307030.pdf |
| Downloads: | 000205143 |
| ISSN: |
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016 An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator |
| Publication Details: |
Published Paper ID: IJRTI2307030
Registration ID:187523
Published In: Volume 8 Issue 7, July-2023
DOI (Digital Object Identifier):
Page No: 186 - 193 Country: CHIKMAGALUR, KARNATAKA, INDIA Research Area: Civil Engineering Publisher : IJ Publication Published Paper URL : https://www.ijrti.org/viewpaperforall?paper=IJRTI2307030 Published Paper PDF: https://www.ijrti.org/papers/IJRTI2307030 |
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ISSN: 2456-3315
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