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Effects of W/B ratios and fly ash finenesses on chloride diffusion coefficient of concrete in marine environment
The objectives of this investigation were to study the effect of W/B ratios and fly ash finenesses on chloride diffusion coefficient (D c ) of concrete under marine environment. Original and classified fly ashes were used as a partial replacement of Portland cement type I at 0%, 15%, 25%, 35%, and 5...
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| Published in: | Materials and structures 2009-05, Vol.42 (4), p.505-514 |
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| cites | cdi_FETCH-LOGICAL-c376t-acd1e58927670911ee1916ecbcee3fba0a7e9534ea2b8010c4dd6522a24703b63 |
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| container_title | Materials and structures |
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| creator | Chalee, W. Jaturapitakkul, C. |
| description | The objectives of this investigation were to study the effect of W/B ratios and fly ash finenesses on chloride diffusion coefficient (D
c
) of concrete under marine environment. Original and classified fly ashes were used as a partial replacement of Portland cement type I at 0%, 15%, 25%, 35%, and 50% by weight of binder. Water to binder ratios (W/B) were varied as 0.45, 0.55, and 0.65. Concrete cube specimens of 200 mm were cast and removed from the molds after casting 1 day and then cured in fresh water for 27 days. After that, the specimens were placed to the tidal zone of marine environment in the Gulf of Thailand. Subsequently, the specimens were tested for chloride penetration profile after being exposed to the tidal zone for 2, 3, 4, and 5 years. The regression analysis of investigated data was carried out and Fick’s second law of diffusion was applied to calculate the chloride diffusion coefficient (D
c
) and chloride concentration at concrete surface (C
o
) based on one-dimensional analysis. The results showed that D
c
of all concrete mixtures decreased with an exposure time and the decrease of W/B ratio resulted in the decrease of D
c
. When the W/B ratio of concrete was reduced, the decrease of D
c
in cement concrete was higher than that of the fly ash concrete. The use of fly ash with high fineness clearly reduced the rate of chloride ingress into concrete. In addition, fly ash with high fineness has more effective on reducing of D
c
in concrete with higher W/B ratio than that with lower W/B ratio. |
| doi_str_mv | 10.1617/s11527-008-9398-2 |
| format | article |
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c
) of concrete under marine environment. Original and classified fly ashes were used as a partial replacement of Portland cement type I at 0%, 15%, 25%, 35%, and 50% by weight of binder. Water to binder ratios (W/B) were varied as 0.45, 0.55, and 0.65. Concrete cube specimens of 200 mm were cast and removed from the molds after casting 1 day and then cured in fresh water for 27 days. After that, the specimens were placed to the tidal zone of marine environment in the Gulf of Thailand. Subsequently, the specimens were tested for chloride penetration profile after being exposed to the tidal zone for 2, 3, 4, and 5 years. The regression analysis of investigated data was carried out and Fick’s second law of diffusion was applied to calculate the chloride diffusion coefficient (D
c
) and chloride concentration at concrete surface (C
o
) based on one-dimensional analysis. The results showed that D
c
of all concrete mixtures decreased with an exposure time and the decrease of W/B ratio resulted in the decrease of D
c
. When the W/B ratio of concrete was reduced, the decrease of D
c
in cement concrete was higher than that of the fly ash concrete. The use of fly ash with high fineness clearly reduced the rate of chloride ingress into concrete. In addition, fly ash with high fineness has more effective on reducing of D
c
in concrete with higher W/B ratio than that with lower W/B ratio.</description><identifier>ISSN: 1359-5997</identifier><identifier>EISSN: 1871-6873</identifier><identifier>DOI: 10.1617/s11527-008-9398-2</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Applied sciences ; Building construction ; Building Materials ; Buildings. Public works ; Civil Engineering ; Concrete ; Concretes. Mortars. Grouts ; Corrosion ; Dimensional analysis ; Durability. Pathology. Repairing. Maintenance ; Engineering ; Exact sciences and technology ; General (composition, classification, performance, standards, patents, etc.) ; Machines ; Manufacturing ; Materials ; Materials Science ; Original Article ; Processes ; Ratios ; Regression analysis ; Solid Mechanics ; Theoretical and Applied Mechanics</subject><ispartof>Materials and structures, 2009-05, Vol.42 (4), p.505-514</ispartof><rights>RILEM 2008</rights><rights>2015 INIST-CNRS</rights><rights>RILEM 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-acd1e58927670911ee1916ecbcee3fba0a7e9534ea2b8010c4dd6522a24703b63</citedby><cites>FETCH-LOGICAL-c376t-acd1e58927670911ee1916ecbcee3fba0a7e9534ea2b8010c4dd6522a24703b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21557072$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Chalee, W.</creatorcontrib><creatorcontrib>Jaturapitakkul, C.</creatorcontrib><title>Effects of W/B ratios and fly ash finenesses on chloride diffusion coefficient of concrete in marine environment</title><title>Materials and structures</title><addtitle>Mater Struct</addtitle><description>The objectives of this investigation were to study the effect of W/B ratios and fly ash finenesses on chloride diffusion coefficient (D
c
) of concrete under marine environment. Original and classified fly ashes were used as a partial replacement of Portland cement type I at 0%, 15%, 25%, 35%, and 50% by weight of binder. Water to binder ratios (W/B) were varied as 0.45, 0.55, and 0.65. Concrete cube specimens of 200 mm were cast and removed from the molds after casting 1 day and then cured in fresh water for 27 days. After that, the specimens were placed to the tidal zone of marine environment in the Gulf of Thailand. Subsequently, the specimens were tested for chloride penetration profile after being exposed to the tidal zone for 2, 3, 4, and 5 years. The regression analysis of investigated data was carried out and Fick’s second law of diffusion was applied to calculate the chloride diffusion coefficient (D
c
) and chloride concentration at concrete surface (C
o
) based on one-dimensional analysis. The results showed that D
c
of all concrete mixtures decreased with an exposure time and the decrease of W/B ratio resulted in the decrease of D
c
. When the W/B ratio of concrete was reduced, the decrease of D
c
in cement concrete was higher than that of the fly ash concrete. The use of fly ash with high fineness clearly reduced the rate of chloride ingress into concrete. In addition, fly ash with high fineness has more effective on reducing of D
c
in concrete with higher W/B ratio than that with lower W/B ratio.</description><subject>Applied sciences</subject><subject>Building construction</subject><subject>Building Materials</subject><subject>Buildings. Public works</subject><subject>Civil Engineering</subject><subject>Concrete</subject><subject>Concretes. Mortars. Grouts</subject><subject>Corrosion</subject><subject>Dimensional analysis</subject><subject>Durability. Pathology. Repairing. Maintenance</subject><subject>Engineering</subject><subject>Exact sciences and technology</subject><subject>General (composition, classification, performance, standards, patents, etc.)</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Materials</subject><subject>Materials Science</subject><subject>Original Article</subject><subject>Processes</subject><subject>Ratios</subject><subject>Regression analysis</subject><subject>Solid Mechanics</subject><subject>Theoretical and Applied Mechanics</subject><issn>1359-5997</issn><issn>1871-6873</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp1kUFLHTEUhUNRqD77A7oLBd1NzU1mJpNlFWsFoZuKy5CXuamReclr7jzBf98MTxQEV7kk3zmc3MPYVxDfoQd9TgCd1I0QQ2OUGRr5iR3BoKHpB60O6qw603TG6M_smOhRCGUA5BHbXoWAfiaeA78_v-DFzTETd2nkYXrmjh54iAkTEmGFEvcPUy5xRD7GEHYUl6uMIUQfMc2Ljc_JF5yRx8Q3rlQ1x_QUS06bSpyww-Amwi8v54rd_bz6c_mruf19fXP547bxSvdz4_wI2A1G6l6LGhURDPTo1x5RhbUTTqPpVItOrgcBwrfj2HdSOtlqoda9WrGzve-25H87pNluInmcJpcw78iqtjWtqntYsW_vwMe8K6lms8NQs-heQYVgD_mSiQoGuy2xfu7ZgrBLAXZfgK0F2KUAK6vm9MXYkXdTKC75SK9CCV2nhV44ueeoPqW_WN4CfGz-HwBzljA</recordid><startdate>20090501</startdate><enddate>20090501</enddate><creator>Chalee, W.</creator><creator>Jaturapitakkul, C.</creator><general>Springer Netherlands</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</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>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20090501</creationdate><title>Effects of W/B ratios and fly ash finenesses on chloride diffusion coefficient of concrete in marine environment</title><author>Chalee, W. ; Jaturapitakkul, C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-acd1e58927670911ee1916ecbcee3fba0a7e9534ea2b8010c4dd6522a24703b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Building construction</topic><topic>Building Materials</topic><topic>Buildings. Public works</topic><topic>Civil Engineering</topic><topic>Concrete</topic><topic>Concretes. Mortars. Grouts</topic><topic>Corrosion</topic><topic>Dimensional analysis</topic><topic>Durability. Pathology. Repairing. Maintenance</topic><topic>Engineering</topic><topic>Exact sciences and technology</topic><topic>General (composition, classification, performance, standards, patents, etc.)</topic><topic>Machines</topic><topic>Manufacturing</topic><topic>Materials</topic><topic>Materials Science</topic><topic>Original Article</topic><topic>Processes</topic><topic>Ratios</topic><topic>Regression analysis</topic><topic>Solid Mechanics</topic><topic>Theoretical and Applied Mechanics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chalee, W.</creatorcontrib><creatorcontrib>Jaturapitakkul, C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Materials and structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chalee, W.</au><au>Jaturapitakkul, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of W/B ratios and fly ash finenesses on chloride diffusion coefficient of concrete in marine environment</atitle><jtitle>Materials and structures</jtitle><stitle>Mater Struct</stitle><date>2009-05-01</date><risdate>2009</risdate><volume>42</volume><issue>4</issue><spage>505</spage><epage>514</epage><pages>505-514</pages><issn>1359-5997</issn><eissn>1871-6873</eissn><abstract>The objectives of this investigation were to study the effect of W/B ratios and fly ash finenesses on chloride diffusion coefficient (D
c
) of concrete under marine environment. Original and classified fly ashes were used as a partial replacement of Portland cement type I at 0%, 15%, 25%, 35%, and 50% by weight of binder. Water to binder ratios (W/B) were varied as 0.45, 0.55, and 0.65. Concrete cube specimens of 200 mm were cast and removed from the molds after casting 1 day and then cured in fresh water for 27 days. After that, the specimens were placed to the tidal zone of marine environment in the Gulf of Thailand. Subsequently, the specimens were tested for chloride penetration profile after being exposed to the tidal zone for 2, 3, 4, and 5 years. The regression analysis of investigated data was carried out and Fick’s second law of diffusion was applied to calculate the chloride diffusion coefficient (D
c
) and chloride concentration at concrete surface (C
o
) based on one-dimensional analysis. The results showed that D
c
of all concrete mixtures decreased with an exposure time and the decrease of W/B ratio resulted in the decrease of D
c
. When the W/B ratio of concrete was reduced, the decrease of D
c
in cement concrete was higher than that of the fly ash concrete. The use of fly ash with high fineness clearly reduced the rate of chloride ingress into concrete. In addition, fly ash with high fineness has more effective on reducing of D
c
in concrete with higher W/B ratio than that with lower W/B ratio.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1617/s11527-008-9398-2</doi><tpages>10</tpages></addata></record> |
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| ispartof | Materials and structures, 2009-05, Vol.42 (4), p.505-514 |
| issn | 1359-5997 1871-6873 |
| language | eng |
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| source | Springer Nature |
| subjects | Applied sciences Building construction Building Materials Buildings. Public works Civil Engineering Concrete Concretes. Mortars. Grouts Corrosion Dimensional analysis Durability. Pathology. Repairing. Maintenance Engineering Exact sciences and technology General (composition, classification, performance, standards, patents, etc.) Machines Manufacturing Materials Materials Science Original Article Processes Ratios Regression analysis Solid Mechanics Theoretical and Applied Mechanics |
| title | Effects of W/B ratios and fly ash finenesses on chloride diffusion coefficient of concrete in marine environment |
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