Investigation on early hydration of ternary Portland cement-blast-furnace slag–metakaolin blends
•Initial hydration of PC–BFS–MK ternary system is influenced mainly by PC and MK.•MK accelerates the hydration of clinker minerals.•The third peak on calorimetric curve is related to formation of hemicarbonate.•Hemicarbonate is formed as a product of conversion of ettringite. The paper investigates...
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Veröffentlicht in: | Construction & building materials 2014-08, Vol.64, p.333-341 |
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creator | Boháč, Martin Palou, Martin Novotný, Radoslav Másilko, Jiří Všianský, Dalibor Staněk, Theodor |
description | •Initial hydration of PC–BFS–MK ternary system is influenced mainly by PC and MK.•MK accelerates the hydration of clinker minerals.•The third peak on calorimetric curve is related to formation of hemicarbonate.•Hemicarbonate is formed as a product of conversion of ettringite.
The paper investigates the hydration of ternary blends comprising Portland cement, blast-furnace slag and metakaolin. The isothermal calorimetry and “in situ” X-ray diffraction was used to evaluate the effect of metakaolin and blast-furnace slag on the early hydration of blends. XRD, DTA and SEM were used to analyze the hardened paste after 1month of hydration. Metakaolin influences significantly the kinetics, mechanism and products of hydration at initial period of hydration causing the rapid formation of ettringite. Hemicarbonate aluminate hydrate is formed as a product of ettringite conversion due to the presence of reactive calcite in Portland cement. |
doi_str_mv | 10.1016/j.conbuildmat.2014.04.018 |
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The paper investigates the hydration of ternary blends comprising Portland cement, blast-furnace slag and metakaolin. The isothermal calorimetry and “in situ” X-ray diffraction was used to evaluate the effect of metakaolin and blast-furnace slag on the early hydration of blends. XRD, DTA and SEM were used to analyze the hardened paste after 1month of hydration. Metakaolin influences significantly the kinetics, mechanism and products of hydration at initial period of hydration causing the rapid formation of ettringite. Hemicarbonate aluminate hydrate is formed as a product of ettringite conversion due to the presence of reactive calcite in Portland cement.</description><identifier>ISSN: 0950-0618</identifier><identifier>DOI: 10.1016/j.conbuildmat.2014.04.018</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Analysis ; Blast-furnace slag ; Calorimetry ; Hydration ; Metakaolin ; Portland cement ; Properties ; Ternary system</subject><ispartof>Construction & building materials, 2014-08, Vol.64, p.333-341</ispartof><rights>2014 Elsevier Ltd</rights><rights>COPYRIGHT 2014 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-ce6d9927413664f026a44f224e8854dafb215919b23a31413a8d9acffa31f20e3</citedby><cites>FETCH-LOGICAL-c463t-ce6d9927413664f026a44f224e8854dafb215919b23a31413a8d9acffa31f20e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.conbuildmat.2014.04.018$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Boháč, Martin</creatorcontrib><creatorcontrib>Palou, Martin</creatorcontrib><creatorcontrib>Novotný, Radoslav</creatorcontrib><creatorcontrib>Másilko, Jiří</creatorcontrib><creatorcontrib>Všianský, Dalibor</creatorcontrib><creatorcontrib>Staněk, Theodor</creatorcontrib><title>Investigation on early hydration of ternary Portland cement-blast-furnace slag–metakaolin blends</title><title>Construction & building materials</title><description>•Initial hydration of PC–BFS–MK ternary system is influenced mainly by PC and MK.•MK accelerates the hydration of clinker minerals.•The third peak on calorimetric curve is related to formation of hemicarbonate.•Hemicarbonate is formed as a product of conversion of ettringite.
The paper investigates the hydration of ternary blends comprising Portland cement, blast-furnace slag and metakaolin. The isothermal calorimetry and “in situ” X-ray diffraction was used to evaluate the effect of metakaolin and blast-furnace slag on the early hydration of blends. XRD, DTA and SEM were used to analyze the hardened paste after 1month of hydration. Metakaolin influences significantly the kinetics, mechanism and products of hydration at initial period of hydration causing the rapid formation of ettringite. Hemicarbonate aluminate hydrate is formed as a product of ettringite conversion due to the presence of reactive calcite in Portland cement.</description><subject>Analysis</subject><subject>Blast-furnace slag</subject><subject>Calorimetry</subject><subject>Hydration</subject><subject>Metakaolin</subject><subject>Portland cement</subject><subject>Properties</subject><subject>Ternary system</subject><issn>0950-0618</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNqNkcFO3DAQhnMoUoH2HVL12gTb8ZrkiFYUkJDooT1bE3scvHWcyuNF2lvfgTfsk9Sr5QDSHpB_eeTx989h_qr6wlnLGVcXm9Yscdz6YGfIrWBctqyI9x-qUzasWMMU7z9WZ0QbxpgSSpxW4118Qsp-guyXWBchpLCrH3c2vbRcnTFFSLv6x5JygGhrgzPG3IwBKDduW34N1hRg-vf3ecYMv2EJPtZjwGjpU3XiIBB-fqnn1a_v1z_Xt839w83d-uq-MVJ1uTGo7DCIS8k7paRjQoGUTgiJfb-SFtwo-Grgwyg66HihoLcDGOfKywmG3Xn19TB3goDaR7fkBGb2ZPRVdynVIKXoC9UcoSaMmCAsEZ0v7Td8e4Qvx-LszVHDt1eGcUs-IpWL_PSYaYIt0Vt8OOAmLUQJnf6T_Fy2rTnT-1j1Rr-KVe9j1ayI773rgxfLWp88Jk3GYzRofUKTtV38O6b8B_CJtM4</recordid><startdate>20140801</startdate><enddate>20140801</enddate><creator>Boháč, Martin</creator><creator>Palou, Martin</creator><creator>Novotný, Radoslav</creator><creator>Másilko, Jiří</creator><creator>Všianský, Dalibor</creator><creator>Staněk, Theodor</creator><general>Elsevier Ltd</general><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope></search><sort><creationdate>20140801</creationdate><title>Investigation on early hydration of ternary Portland cement-blast-furnace slag–metakaolin blends</title><author>Boháč, Martin ; Palou, Martin ; Novotný, Radoslav ; Másilko, Jiří ; Všianský, Dalibor ; Staněk, Theodor</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-ce6d9927413664f026a44f224e8854dafb215919b23a31413a8d9acffa31f20e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Analysis</topic><topic>Blast-furnace slag</topic><topic>Calorimetry</topic><topic>Hydration</topic><topic>Metakaolin</topic><topic>Portland cement</topic><topic>Properties</topic><topic>Ternary system</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Boháč, Martin</creatorcontrib><creatorcontrib>Palou, Martin</creatorcontrib><creatorcontrib>Novotný, Radoslav</creatorcontrib><creatorcontrib>Másilko, Jiří</creatorcontrib><creatorcontrib>Všianský, Dalibor</creatorcontrib><creatorcontrib>Staněk, Theodor</creatorcontrib><collection>CrossRef</collection><collection>Gale Business: Insights</collection><collection>Business Insights: Essentials</collection><jtitle>Construction & building materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Boháč, Martin</au><au>Palou, Martin</au><au>Novotný, Radoslav</au><au>Másilko, Jiří</au><au>Všianský, Dalibor</au><au>Staněk, Theodor</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation on early hydration of ternary Portland cement-blast-furnace slag–metakaolin blends</atitle><jtitle>Construction & building materials</jtitle><date>2014-08-01</date><risdate>2014</risdate><volume>64</volume><spage>333</spage><epage>341</epage><pages>333-341</pages><issn>0950-0618</issn><abstract>•Initial hydration of PC–BFS–MK ternary system is influenced mainly by PC and MK.•MK accelerates the hydration of clinker minerals.•The third peak on calorimetric curve is related to formation of hemicarbonate.•Hemicarbonate is formed as a product of conversion of ettringite.
The paper investigates the hydration of ternary blends comprising Portland cement, blast-furnace slag and metakaolin. The isothermal calorimetry and “in situ” X-ray diffraction was used to evaluate the effect of metakaolin and blast-furnace slag on the early hydration of blends. XRD, DTA and SEM were used to analyze the hardened paste after 1month of hydration. Metakaolin influences significantly the kinetics, mechanism and products of hydration at initial period of hydration causing the rapid formation of ettringite. Hemicarbonate aluminate hydrate is formed as a product of ettringite conversion due to the presence of reactive calcite in Portland cement.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2014.04.018</doi><tpages>9</tpages></addata></record> |
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subjects | Analysis Blast-furnace slag Calorimetry Hydration Metakaolin Portland cement Properties Ternary system |
title | Investigation on early hydration of ternary Portland cement-blast-furnace slag–metakaolin blends |
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