Study on polymeric coatings on fly ash concrete under seawater
This study is focused on polymeric coatings on fly ash concrete submerged under seawater. The specimens were casted and coated with acrylic resin and epoxy resin of three layers each. The mechanical, durability, and microstructural properties of coated and uncoated fly ash concrete specimen were stu...
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| Veröffentlicht in: | Environmental science and pollution research international 2021-02, Vol.28 (8), p.9338-9345 |
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| creator | Boopaphi, Roselin Sobha Joseph Dasnamoorthy, Ramachandran Chandrasekaran, Manoj Kumaar Vishwakarma, Vinita |
| description | This study is focused on polymeric coatings on fly ash concrete submerged under seawater. The specimens were casted and coated with acrylic resin and epoxy resin of three layers each. The mechanical, durability, and microstructural properties of coated and uncoated fly ash concrete specimen were studied as pre- and post-exposed in seawater. Fly ash concrete coated with epoxy and acrylic had attained more strength compared to uncoated specimens. An increased strength in coated specimens and a decrease in value were observed in uncoated fly ash concrete specimens during split tensile strength. Coated specimens showed less reduction in pH value as compared to uncoated specimens. Rapid chloride permeability test (RCPT) analysis confirmed that epoxy and acrylic-coated concrete specimens appear to be denser than uncoated specimens leading to more resistance against the penetration of aggressive chemicals. The X-ray diffraction (XRD) comparative analysis of 56 and 90 days acrylic resin and epoxy resin-coated and uncoated specimen showed higher intensity in 90 days coated specimens than the uncoated specimens. Field emission scanning electron microscope (FESEM) investigation of uncoated 56 and 90 days concrete specimens subjected to seawater demonstrated dense appearance of hydrated products, whereas epoxy and acrylic-coated specimens were verified with no visible micro-cracks or holes on the surface, even at higher magnification. The epoxy and acrylic-coated fly ash concrete showed high physical strength and good bonding with concrete and will be appropriate for construction. |
| doi_str_mv | 10.1007/s11356-020-11451-2 |
| format | Article |
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The specimens were casted and coated with acrylic resin and epoxy resin of three layers each. The mechanical, durability, and microstructural properties of coated and uncoated fly ash concrete specimen were studied as pre- and post-exposed in seawater. Fly ash concrete coated with epoxy and acrylic had attained more strength compared to uncoated specimens. An increased strength in coated specimens and a decrease in value were observed in uncoated fly ash concrete specimens during split tensile strength. Coated specimens showed less reduction in pH value as compared to uncoated specimens. Rapid chloride permeability test (RCPT) analysis confirmed that epoxy and acrylic-coated concrete specimens appear to be denser than uncoated specimens leading to more resistance against the penetration of aggressive chemicals. The X-ray diffraction (XRD) comparative analysis of 56 and 90 days acrylic resin and epoxy resin-coated and uncoated specimen showed higher intensity in 90 days coated specimens than the uncoated specimens. Field emission scanning electron microscope (FESEM) investigation of uncoated 56 and 90 days concrete specimens subjected to seawater demonstrated dense appearance of hydrated products, whereas epoxy and acrylic-coated specimens were verified with no visible micro-cracks or holes on the surface, even at higher magnification. The epoxy and acrylic-coated fly ash concrete showed high physical strength and good bonding with concrete and will be appropriate for construction.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-020-11451-2</identifier><identifier>PMID: 33141383</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Acrylic Resins ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Bonding strength ; Chemical analysis ; Coal Ash ; Coatings ; Comparative analysis ; Concrete ; Construction Materials ; Cracks ; Earth and Environmental Science ; Ecotoxicology ; Emission analysis ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental science ; Epoxy resins ; Field emission microscopy ; Fly ash ; Microcracks ; Penetration resistance ; Permeability ; Polymer coatings ; Research Article ; Scanning electron microscopy ; Seawater ; Tensile Strength ; Waste Water Technology ; Water analysis ; Water Management ; Water Pollution Control ; X-ray diffraction</subject><ispartof>Environmental science and pollution research international, 2021-02, Vol.28 (8), p.9338-9345</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-d9e5a42f8ead0ee4d287140dcc6040752a06efb5b55abc22ec70e1f0fae700503</citedby><cites>FETCH-LOGICAL-c412t-d9e5a42f8ead0ee4d287140dcc6040752a06efb5b55abc22ec70e1f0fae700503</cites><orcidid>0000-0001-5583-6794</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-020-11451-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-020-11451-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33141383$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Boopaphi, Roselin Sobha Joseph</creatorcontrib><creatorcontrib>Dasnamoorthy, Ramachandran</creatorcontrib><creatorcontrib>Chandrasekaran, Manoj Kumaar</creatorcontrib><creatorcontrib>Vishwakarma, Vinita</creatorcontrib><title>Study on polymeric coatings on fly ash concrete under seawater</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>This study is focused on polymeric coatings on fly ash concrete submerged under seawater. The specimens were casted and coated with acrylic resin and epoxy resin of three layers each. The mechanical, durability, and microstructural properties of coated and uncoated fly ash concrete specimen were studied as pre- and post-exposed in seawater. Fly ash concrete coated with epoxy and acrylic had attained more strength compared to uncoated specimens. An increased strength in coated specimens and a decrease in value were observed in uncoated fly ash concrete specimens during split tensile strength. Coated specimens showed less reduction in pH value as compared to uncoated specimens. Rapid chloride permeability test (RCPT) analysis confirmed that epoxy and acrylic-coated concrete specimens appear to be denser than uncoated specimens leading to more resistance against the penetration of aggressive chemicals. The X-ray diffraction (XRD) comparative analysis of 56 and 90 days acrylic resin and epoxy resin-coated and uncoated specimen showed higher intensity in 90 days coated specimens than the uncoated specimens. Field emission scanning electron microscope (FESEM) investigation of uncoated 56 and 90 days concrete specimens subjected to seawater demonstrated dense appearance of hydrated products, whereas epoxy and acrylic-coated specimens were verified with no visible micro-cracks or holes on the surface, even at higher magnification. The epoxy and acrylic-coated fly ash concrete showed high physical strength and good bonding with concrete and will be appropriate for construction.</description><subject>Acrylic Resins</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Bonding strength</subject><subject>Chemical analysis</subject><subject>Coal Ash</subject><subject>Coatings</subject><subject>Comparative analysis</subject><subject>Concrete</subject><subject>Construction Materials</subject><subject>Cracks</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Emission analysis</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental science</subject><subject>Epoxy resins</subject><subject>Field emission microscopy</subject><subject>Fly ash</subject><subject>Microcracks</subject><subject>Penetration 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Int</addtitle><date>2021-02-01</date><risdate>2021</risdate><volume>28</volume><issue>8</issue><spage>9338</spage><epage>9345</epage><pages>9338-9345</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>This study is focused on polymeric coatings on fly ash concrete submerged under seawater. The specimens were casted and coated with acrylic resin and epoxy resin of three layers each. The mechanical, durability, and microstructural properties of coated and uncoated fly ash concrete specimen were studied as pre- and post-exposed in seawater. Fly ash concrete coated with epoxy and acrylic had attained more strength compared to uncoated specimens. An increased strength in coated specimens and a decrease in value were observed in uncoated fly ash concrete specimens during split tensile strength. Coated specimens showed less reduction in pH value as compared to uncoated specimens. Rapid chloride permeability test (RCPT) analysis confirmed that epoxy and acrylic-coated concrete specimens appear to be denser than uncoated specimens leading to more resistance against the penetration of aggressive chemicals. The X-ray diffraction (XRD) comparative analysis of 56 and 90 days acrylic resin and epoxy resin-coated and uncoated specimen showed higher intensity in 90 days coated specimens than the uncoated specimens. Field emission scanning electron microscope (FESEM) investigation of uncoated 56 and 90 days concrete specimens subjected to seawater demonstrated dense appearance of hydrated products, whereas epoxy and acrylic-coated specimens were verified with no visible micro-cracks or holes on the surface, even at higher magnification. The epoxy and acrylic-coated fly ash concrete showed high physical strength and good bonding with concrete and will be appropriate for construction.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>33141383</pmid><doi>10.1007/s11356-020-11451-2</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0001-5583-6794</orcidid></addata></record> |
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| subjects | Acrylic Resins Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Bonding strength Chemical analysis Coal Ash Coatings Comparative analysis Concrete Construction Materials Cracks Earth and Environmental Science Ecotoxicology Emission analysis Environment Environmental Chemistry Environmental Health Environmental science Epoxy resins Field emission microscopy Fly ash Microcracks Penetration resistance Permeability Polymer coatings Research Article Scanning electron microscopy Seawater Tensile Strength Waste Water Technology Water analysis Water Management Water Pollution Control X-ray diffraction |
| title | Study on polymeric coatings on fly ash concrete under seawater |
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