Improvement in Fresh, Mechanical and Microstructural Properties of Fly Ash- Blast Furnace Slag Based Geopolymer Concrete By Addition of Nano and Micro Silica
In this study, the effect of nano-silica (NS) and silica fume (SF) on workability, setting time, compressive strength and microstructural properties of fly ash-ground granulated blast furnace slag (FA-GGBFS) based geopolymer concrete (GPC) is investigated. Five mixtures of each containing 0.5%, 1.0%...
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| Veröffentlicht in: | SILICON 2021-08, Vol.13 (8), p.2415-2428 |
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| creator | Mustakim, Syed Mohammed Das, Shaswat Kumar Mishra, Jyotirmoy Aftab, Asif Alomayri, Thamer Salman Assaedi, Hasan Suliman Kaze, Cyriaque Rodrigue |
| description | In this study, the effect of nano-silica (NS) and silica fume (SF) on workability, setting time, compressive strength and microstructural properties of fly ash-ground granulated blast furnace slag (FA-GGBFS) based geopolymer concrete (GPC) is investigated. Five mixtures of each containing 0.5%, 1.0%, 1.5%, 2.0% and 2.5% NS and SF are prepared for this investigation. The optimum GPC mixture with NS resulted in compressive strength of 63 MPa and the SF modified GPC achieved a compressive strength of 59.59 MPa after 28 days of outdoor temperature curing (Avg. temp. 31.4℃). The hardened concrete samples are analyzed through X-ray diffraction (XRD), X-ray fluorescence (XRF), field emission scanning electron microscope (FESEM), Fourier transform infrared spectroscopy (FTIR), and petrographic examination, for the better understanding of geopolymer mineralogy, mechanism and microstructure. Results indicate that both NS and SF facilitated a higher degree of geopolymerization, leading to the densification of the geopolymer matrix which led to the improvement of the properties of FA-GGBFS based GPC. |
| doi_str_mv | 10.1007/s12633-020-00593-0 |
| format | Article |
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Five mixtures of each containing 0.5%, 1.0%, 1.5%, 2.0% and 2.5% NS and SF are prepared for this investigation. The optimum GPC mixture with NS resulted in compressive strength of 63 MPa and the SF modified GPC achieved a compressive strength of 59.59 MPa after 28 days of outdoor temperature curing (Avg. temp. 31.4℃). The hardened concrete samples are analyzed through X-ray diffraction (XRD), X-ray fluorescence (XRF), field emission scanning electron microscope (FESEM), Fourier transform infrared spectroscopy (FTIR), and petrographic examination, for the better understanding of geopolymer mineralogy, mechanism and microstructure. Results indicate that both NS and SF facilitated a higher degree of geopolymerization, leading to the densification of the geopolymer matrix which led to the improvement of the properties of FA-GGBFS based GPC.</description><identifier>ISSN: 1876-990X</identifier><identifier>EISSN: 1876-9918</identifier><identifier>DOI: 10.1007/s12633-020-00593-0</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Chemistry ; Chemistry and Materials Science ; Compressive strength ; Densification ; Electron microscopes ; Emission analysis ; Environmental Chemistry ; Field emission microscopy ; Fly ash ; Fourier transforms ; Geopolymers ; GGBS ; Granulation ; Inorganic Chemistry ; Lasers ; Materials Science ; Microstructure ; Mineralogy ; Mixtures ; Optical Devices ; Optics ; Original Paper ; Photonics ; Polymer Sciences ; Setting (hardening) ; Silica fume ; Slag ; Workability ; X-ray fluorescence</subject><ispartof>SILICON, 2021-08, Vol.13 (8), p.2415-2428</ispartof><rights>Springer Nature B.V. 2020</rights><rights>Springer Nature B.V. 2020.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-833dc2d294a224fcf542330a89e95cfb7d977f4d2053be91b5c1e3d25c9e881a3</citedby><cites>FETCH-LOGICAL-c363t-833dc2d294a224fcf542330a89e95cfb7d977f4d2053be91b5c1e3d25c9e881a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12633-020-00593-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2919361614?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,21388,27924,27925,33744,41488,42557,43805,51319,64385,64389,72469</link.rule.ids></links><search><creatorcontrib>Mustakim, Syed Mohammed</creatorcontrib><creatorcontrib>Das, Shaswat Kumar</creatorcontrib><creatorcontrib>Mishra, Jyotirmoy</creatorcontrib><creatorcontrib>Aftab, Asif</creatorcontrib><creatorcontrib>Alomayri, Thamer Salman</creatorcontrib><creatorcontrib>Assaedi, Hasan Suliman</creatorcontrib><creatorcontrib>Kaze, Cyriaque Rodrigue</creatorcontrib><title>Improvement in Fresh, Mechanical and Microstructural Properties of Fly Ash- Blast Furnace Slag Based Geopolymer Concrete By Addition of Nano and Micro Silica</title><title>SILICON</title><addtitle>Silicon</addtitle><description>In this study, the effect of nano-silica (NS) and silica fume (SF) on workability, setting time, compressive strength and microstructural properties of fly ash-ground granulated blast furnace slag (FA-GGBFS) based geopolymer concrete (GPC) is investigated. Five mixtures of each containing 0.5%, 1.0%, 1.5%, 2.0% and 2.5% NS and SF are prepared for this investigation. The optimum GPC mixture with NS resulted in compressive strength of 63 MPa and the SF modified GPC achieved a compressive strength of 59.59 MPa after 28 days of outdoor temperature curing (Avg. temp. 31.4℃). The hardened concrete samples are analyzed through X-ray diffraction (XRD), X-ray fluorescence (XRF), field emission scanning electron microscope (FESEM), Fourier transform infrared spectroscopy (FTIR), and petrographic examination, for the better understanding of geopolymer mineralogy, mechanism and microstructure. Results indicate that both NS and SF facilitated a higher degree of geopolymerization, leading to the densification of the geopolymer matrix which led to the improvement of the properties of FA-GGBFS based GPC.</description><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Compressive strength</subject><subject>Densification</subject><subject>Electron microscopes</subject><subject>Emission analysis</subject><subject>Environmental Chemistry</subject><subject>Field emission microscopy</subject><subject>Fly ash</subject><subject>Fourier transforms</subject><subject>Geopolymers</subject><subject>GGBS</subject><subject>Granulation</subject><subject>Inorganic Chemistry</subject><subject>Lasers</subject><subject>Materials Science</subject><subject>Microstructure</subject><subject>Mineralogy</subject><subject>Mixtures</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Original Paper</subject><subject>Photonics</subject><subject>Polymer Sciences</subject><subject>Setting (hardening)</subject><subject>Silica fume</subject><subject>Slag</subject><subject>Workability</subject><subject>X-ray fluorescence</subject><issn>1876-990X</issn><issn>1876-9918</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9UUtPAjEQ3hhNJMgf8NTEq6t97KtHIIIkoCZo4q0p7SwsWVpsiwk_xv9qESM35zKTyffIzJck1wTfEYzLe09owViKKU4xznmczpIOqcoi5ZxU538zfr9Met6vcSxGy6rgneRrstk6-wkbMAE1Bo0c-NUtmoFaSdMo2SJpNJo1ylkf3E6FnYu7F2e34EIDHtkajdo96vtVigat9AGNds5IBWjeyiUaSA8ajcFubbvfgENDa5SDAGgQSVo3obHmIPIkjT15oXnTRver5KKWrYfeb-8mb6OH1-FjOn0eT4b9aapYwUJaMaYV1ZRnktKsVnWeUcawrDjwXNWLUvOyrDNNcc4WwMkiVwSYprniUFVEsm5yc9SNv_jYgQ9ibQ9XtF5QTjgrSEGyiKJH1OEZ3kEttq7ZSLcXBItDEuKYhIhJiJ8kBI4kdiT5CDZLcCfpf1jfW3qMew</recordid><startdate>20210801</startdate><enddate>20210801</enddate><creator>Mustakim, Syed Mohammed</creator><creator>Das, Shaswat Kumar</creator><creator>Mishra, Jyotirmoy</creator><creator>Aftab, Asif</creator><creator>Alomayri, Thamer Salman</creator><creator>Assaedi, Hasan Suliman</creator><creator>Kaze, Cyriaque Rodrigue</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope></search><sort><creationdate>20210801</creationdate><title>Improvement in Fresh, Mechanical and Microstructural Properties of Fly Ash- Blast Furnace Slag Based Geopolymer Concrete By Addition of Nano and Micro Silica</title><author>Mustakim, Syed Mohammed ; 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Five mixtures of each containing 0.5%, 1.0%, 1.5%, 2.0% and 2.5% NS and SF are prepared for this investigation. The optimum GPC mixture with NS resulted in compressive strength of 63 MPa and the SF modified GPC achieved a compressive strength of 59.59 MPa after 28 days of outdoor temperature curing (Avg. temp. 31.4℃). The hardened concrete samples are analyzed through X-ray diffraction (XRD), X-ray fluorescence (XRF), field emission scanning electron microscope (FESEM), Fourier transform infrared spectroscopy (FTIR), and petrographic examination, for the better understanding of geopolymer mineralogy, mechanism and microstructure. 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| subjects | Chemistry Chemistry and Materials Science Compressive strength Densification Electron microscopes Emission analysis Environmental Chemistry Field emission microscopy Fly ash Fourier transforms Geopolymers GGBS Granulation Inorganic Chemistry Lasers Materials Science Microstructure Mineralogy Mixtures Optical Devices Optics Original Paper Photonics Polymer Sciences Setting (hardening) Silica fume Slag Workability X-ray fluorescence |
| title | Improvement in Fresh, Mechanical and Microstructural Properties of Fly Ash- Blast Furnace Slag Based Geopolymer Concrete By Addition of Nano and Micro Silica |
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