Activation of Slag as Partial Replacement of Cement Mortar: Effects of Superfine GGBS, Temperature, and Admixture
AbstractWith perspective to the precast industry, this paper is a study of superfine (SF) ground granulated blast-furnace slag (GGBS) as replacement (0%, 30%, 50%, and 70%) of rapid-hardening cement (CEM 1 42.5R) under two types of activation, namely discrete temperature activation (20°C–35°C for 16...
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| Veröffentlicht in: | Journal of materials in civil engineering 2020-07, Vol.32 (7) |
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| creator | Korde, Chaaruchandra Cruickshank, Matthew West, Roger P |
| description | AbstractWith perspective to the precast industry, this paper is a study of superfine (SF) ground granulated blast-furnace slag (GGBS) as replacement (0%, 30%, 50%, and 70%) of rapid-hardening cement (CEM 1 42.5R) under two types of activation, namely discrete temperature activation (20°C–35°C for 16 h) and two accelerating admixtures. The thermal activation is found to provide the larger improvements in early-age strength as against use of the admixtures; however, the combined effect achieves measurably better performance at early age. Also, the novel admixture, designed to activate SFGGBS, is found to deliver definitive strength enhancement at both (low and moderate) temperature conditions during early ages. Further, the 28-day strength of mortars remains unaffected and is marginally improved under the combined effect of SFGGBS, the novel admixture, and temperature activation. |
| doi_str_mv | 10.1061/(ASCE)MT.1943-5533.0003173 |
| format | Article |
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The thermal activation is found to provide the larger improvements in early-age strength as against use of the admixtures; however, the combined effect achieves measurably better performance at early age. Also, the novel admixture, designed to activate SFGGBS, is found to deliver definitive strength enhancement at both (low and moderate) temperature conditions during early ages. 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The thermal activation is found to provide the larger improvements in early-age strength as against use of the admixtures; however, the combined effect achieves measurably better performance at early age. Also, the novel admixture, designed to activate SFGGBS, is found to deliver definitive strength enhancement at both (low and moderate) temperature conditions during early ages. Further, the 28-day strength of mortars remains unaffected and is marginally improved under the combined effect of SFGGBS, the novel admixture, and temperature activation.</description><subject>Accelerating agents</subject><subject>Activation</subject><subject>Blast furnace practice</subject><subject>Building materials</subject><subject>Civil engineering</subject><subject>GGBS</subject><subject>Granulation</subject><subject>Mortars (material)</subject><subject>Technical Papers</subject><subject>Ultrafines</subject><issn>0899-1561</issn><issn>1943-5533</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kF1LwzAUhoMoOKf_IeiNwjpPmjZtdzfLnMKG4up1CGkiHf1akor-e1c79cqrnJzzPufAg9AlgSkBRm6v55t0cbPOpiQJqBeGlE4BgJKIHqHRb-8YjSBOEo-EjJyiM2u3fQgCGKHdXLriXbiiqXGj8aYUb1hY_CyMK0SJX1RbCqkqVbt-nA7VujFOmBleaK2ks99g1yqji1rh5fJuM8GZqvYN4TqjJljUOZ7nVfHRf8_RiRalVReHd4xe7xdZ-uCtnpaP6XzlCRox5wVKJlHs50KyJGckB0LCWJOYhYzGCkDnIQsI-JEgUcxAUQFJEEWMxSyQkFM6RlfD3tY0u05Zx7dNZ-r9Se7TxA8JkLhPzYaUNI21RmnemqIS5pMT4L1iznvFfJ3xXifvdfKD4j3MBlhYqf7W_5D_g1-_W34v</recordid><startdate>20200701</startdate><enddate>20200701</enddate><creator>Korde, Chaaruchandra</creator><creator>Cruickshank, Matthew</creator><creator>West, Roger P</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><orcidid>https://orcid.org/0000-0003-1269-2529</orcidid><orcidid>https://orcid.org/0000-0001-5504-2433</orcidid></search><sort><creationdate>20200701</creationdate><title>Activation of Slag as Partial Replacement of Cement Mortar: Effects of Superfine GGBS, Temperature, and Admixture</title><author>Korde, Chaaruchandra ; Cruickshank, Matthew ; West, Roger P</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a376t-4ec9782dac69d61d01158f1865638e00fd5641027a17860e3a0947766864c0d33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Accelerating agents</topic><topic>Activation</topic><topic>Blast furnace practice</topic><topic>Building materials</topic><topic>Civil engineering</topic><topic>GGBS</topic><topic>Granulation</topic><topic>Mortars (material)</topic><topic>Technical Papers</topic><topic>Ultrafines</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Korde, Chaaruchandra</creatorcontrib><creatorcontrib>Cruickshank, Matthew</creatorcontrib><creatorcontrib>West, Roger P</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of materials in civil engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Korde, Chaaruchandra</au><au>Cruickshank, Matthew</au><au>West, Roger P</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Activation of Slag as Partial Replacement of Cement Mortar: Effects of Superfine GGBS, Temperature, and Admixture</atitle><jtitle>Journal of materials in civil engineering</jtitle><date>2020-07-01</date><risdate>2020</risdate><volume>32</volume><issue>7</issue><issn>0899-1561</issn><eissn>1943-5533</eissn><abstract>AbstractWith perspective to the precast industry, this paper is a study of superfine (SF) ground granulated blast-furnace slag (GGBS) as replacement (0%, 30%, 50%, and 70%) of rapid-hardening cement (CEM 1 42.5R) under two types of activation, namely discrete temperature activation (20°C–35°C for 16 h) and two accelerating admixtures. 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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Accelerating agents Activation Blast furnace practice Building materials Civil engineering GGBS Granulation Mortars (material) Technical Papers Ultrafines |
| title | Activation of Slag as Partial Replacement of Cement Mortar: Effects of Superfine GGBS, Temperature, and Admixture |
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