Properties of alkali-activated ground granulated blast furnace slag blended with ferronickel slag
•Low dose (
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| Veröffentlicht in: | Construction & building materials 2018-12, Vol.192, p.123-132 |
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| container_title | Construction & building materials |
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| creator | Cao, Ruilin Li, Baoliang You, Nanqiao Zhang, Yamei Zhang, Zuhua |
| description | •Low dose ( |
| doi_str_mv | 10.1016/j.conbuildmat.2018.10.112 |
| format | Article |
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This study aims to investigate the feasibility of using ferronickel slag (FNS) blended with ground granulated blast furnace slag (GGBS) to produce alkali-activated cements (AACs). Sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) are used to activate the GGBS/FNS blends with mass ratio varying from 100:0 to 40:60. The setting time, flexural and compressive strengths, autogenous shrinkage and drying shrinkage are investigated to examine the effect of FNS content. The reaction products and pore structure of hardened AACs are characterized using X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and mercury intrusion porosimetry (MIP). The results show that blending FNS below 40% does not significantly influence the initial and final setting times; however, blending 60% FNS prolongs the setting times and causes a great reduction of mechanical strengths. For the sodium silicate activated AACs, the increase of FNS content in blends results in increased autogenous and drying shrinkage, as well as the total porosity. For the NaOH activated AACs, the autogenous and drying shrinkage are both reduced with the addition of FNS, while the total porosity is increased.</description><identifier>ISSN: 0950-0618</identifier><identifier>EISSN: 1879-0526</identifier><identifier>DOI: 10.1016/j.conbuildmat.2018.10.112</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Alkali-activated cements ; Analysis ; Cements (Building materials) ; Ferronickel slag ; Ground granulated blast furnace slag ; Mechanical properties ; Shrinkage ; Shrinkage (Materials) ; Slags</subject><ispartof>Construction & building materials, 2018-12, Vol.192, p.123-132</ispartof><rights>2018 Elsevier Ltd</rights><rights>COPYRIGHT 2018 Reed Business Information, Inc. (US)</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c502t-29e291b0696cde44c7565ebeaa072e4c9a7106b1812dab48b071e5781ecf3a2d3</citedby><cites>FETCH-LOGICAL-c502t-29e291b0696cde44c7565ebeaa072e4c9a7106b1812dab48b071e5781ecf3a2d3</cites><orcidid>0000-0002-7153-5120</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0950061818325200$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Cao, Ruilin</creatorcontrib><creatorcontrib>Li, Baoliang</creatorcontrib><creatorcontrib>You, Nanqiao</creatorcontrib><creatorcontrib>Zhang, Yamei</creatorcontrib><creatorcontrib>Zhang, Zuhua</creatorcontrib><title>Properties of alkali-activated ground granulated blast furnace slag blended with ferronickel slag</title><title>Construction & building materials</title><description>•Low dose (<20%) substitution of FNS for GGBS does not lower properties of AACs.•FNS addition in the NaOH activated AACs reduces the drying and autogenous shrinkage.•The relationship between reaction products and shrinkage is discussed.
This study aims to investigate the feasibility of using ferronickel slag (FNS) blended with ground granulated blast furnace slag (GGBS) to produce alkali-activated cements (AACs). Sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) are used to activate the GGBS/FNS blends with mass ratio varying from 100:0 to 40:60. The setting time, flexural and compressive strengths, autogenous shrinkage and drying shrinkage are investigated to examine the effect of FNS content. The reaction products and pore structure of hardened AACs are characterized using X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and mercury intrusion porosimetry (MIP). The results show that blending FNS below 40% does not significantly influence the initial and final setting times; however, blending 60% FNS prolongs the setting times and causes a great reduction of mechanical strengths. For the sodium silicate activated AACs, the increase of FNS content in blends results in increased autogenous and drying shrinkage, as well as the total porosity. For the NaOH activated AACs, the autogenous and drying shrinkage are both reduced with the addition of FNS, while the total porosity is increased.</description><subject>Alkali-activated cements</subject><subject>Analysis</subject><subject>Cements (Building materials)</subject><subject>Ferronickel slag</subject><subject>Ground granulated blast furnace slag</subject><subject>Mechanical properties</subject><subject>Shrinkage</subject><subject>Shrinkage (Materials)</subject><subject>Slags</subject><issn>0950-0618</issn><issn>1879-0526</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNqNkUFr3DAQhUVJoZu0_8Gl19odKbZsH8PSpIWF9NCexVgaO9popSDJCfn38e72kMAegkAD731vDvMY-8qh4sDlj22lgx9m68wOcyWAd9Xe4uIDW_Gu7UtohDxjK-gbKEHy7hM7T2kLAFJIsWL4J4YHitlSKsJYoLtHZ0vU2T5iJlNMMcx-P9DP7qAMDlMuxjl61FQkh9MikTeL9WTzXTFSjMFbfU_u4H5mH0d0ib78nxfs3_XPv-tf5eb25vf6alPqBkQuRU-i5wPIXmpDda3bRjY0ECK0gmrdY8tBDrzjwuBQdwO0nJq246THSxTm8oJ9O-6d0JGyfgw5ot7ZpNVVI_u6kQLahSpPUBN5iuiCp9Eu8hu-OsEvz9DO6pOB768Cw5ysp7R8yU53OU04p_QW74-4jiGlSKN6iHaH8VlxUPuG1Va9aljtGz5YXCzZ9TFLy1kfLUWVtCWvydhIOisT7Du2vAD807Vx</recordid><startdate>20181220</startdate><enddate>20181220</enddate><creator>Cao, Ruilin</creator><creator>Li, Baoliang</creator><creator>You, Nanqiao</creator><creator>Zhang, Yamei</creator><creator>Zhang, Zuhua</creator><general>Elsevier Ltd</general><general>Reed Business Information, Inc. (US)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><orcidid>https://orcid.org/0000-0002-7153-5120</orcidid></search><sort><creationdate>20181220</creationdate><title>Properties of alkali-activated ground granulated blast furnace slag blended with ferronickel slag</title><author>Cao, Ruilin ; Li, Baoliang ; You, Nanqiao ; Zhang, Yamei ; Zhang, Zuhua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c502t-29e291b0696cde44c7565ebeaa072e4c9a7106b1812dab48b071e5781ecf3a2d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Alkali-activated cements</topic><topic>Analysis</topic><topic>Cements (Building materials)</topic><topic>Ferronickel slag</topic><topic>Ground granulated blast furnace slag</topic><topic>Mechanical properties</topic><topic>Shrinkage</topic><topic>Shrinkage (Materials)</topic><topic>Slags</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cao, Ruilin</creatorcontrib><creatorcontrib>Li, Baoliang</creatorcontrib><creatorcontrib>You, Nanqiao</creatorcontrib><creatorcontrib>Zhang, Yamei</creatorcontrib><creatorcontrib>Zhang, Zuhua</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>Cao, Ruilin</au><au>Li, Baoliang</au><au>You, Nanqiao</au><au>Zhang, Yamei</au><au>Zhang, Zuhua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Properties of alkali-activated ground granulated blast furnace slag blended with ferronickel slag</atitle><jtitle>Construction & building materials</jtitle><date>2018-12-20</date><risdate>2018</risdate><volume>192</volume><spage>123</spage><epage>132</epage><pages>123-132</pages><issn>0950-0618</issn><eissn>1879-0526</eissn><abstract>•Low dose (<20%) substitution of FNS for GGBS does not lower properties of AACs.•FNS addition in the NaOH activated AACs reduces the drying and autogenous shrinkage.•The relationship between reaction products and shrinkage is discussed.
This study aims to investigate the feasibility of using ferronickel slag (FNS) blended with ground granulated blast furnace slag (GGBS) to produce alkali-activated cements (AACs). Sodium silicate (Na2SiO3) and sodium hydroxide (NaOH) are used to activate the GGBS/FNS blends with mass ratio varying from 100:0 to 40:60. The setting time, flexural and compressive strengths, autogenous shrinkage and drying shrinkage are investigated to examine the effect of FNS content. The reaction products and pore structure of hardened AACs are characterized using X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and mercury intrusion porosimetry (MIP). The results show that blending FNS below 40% does not significantly influence the initial and final setting times; however, blending 60% FNS prolongs the setting times and causes a great reduction of mechanical strengths. For the sodium silicate activated AACs, the increase of FNS content in blends results in increased autogenous and drying shrinkage, as well as the total porosity. For the NaOH activated AACs, the autogenous and drying shrinkage are both reduced with the addition of FNS, while the total porosity is increased.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2018.10.112</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-7153-5120</orcidid></addata></record> |
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| ispartof | Construction & building materials, 2018-12, Vol.192, p.123-132 |
| issn | 0950-0618 1879-0526 |
| language | eng |
| recordid | cdi_gale_infotracmisc_A569456207 |
| source | Elsevier ScienceDirect Journals |
| subjects | Alkali-activated cements Analysis Cements (Building materials) Ferronickel slag Ground granulated blast furnace slag Mechanical properties Shrinkage Shrinkage (Materials) Slags |
| title | Properties of alkali-activated ground granulated blast furnace slag blended with ferronickel slag |
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