Influences of Polycarboxylate Superplasticizers on Rheological Behavior of Low-cement Castables
Influences of different superplasticizers ( STP. KSJSTO and LMS-P) on rheological behavior of low-cement castables and the mechanisms were analyzed. The shear stress and viscosity under different shear rates of matrix slurry were determined using a NXS-I IA rotary viscometer. Effects of different ad...
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Veröffentlicht in: | 中国耐火材料(英文版) 2013, Vol.22 (2), p.33-37 |
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description | Influences of different superplasticizers ( STP. KSJSTO and LMS-P) on rheological behavior of low-cement castables and the mechanisms were analyzed. The shear stress and viscosity under different shear rates of matrix slurry were determined using a NXS-I IA rotary viscometer. Effects of different admixtures on the rheological properties of slurry was analyzed theoretically. Sodium tripolyphosphate and poly'carboxylate superplasticizers KS-JSTO and LMS-P) can improve the fluidity and initial setting time. With STP. the slurry is plastic flow. With KS-JS70 or LMS-P increasing, the slurrv changes from plastic.flow, pseudoplastic flow to dilatant flow successively. Th, e optimum dosages of STP. KS-JSTO and LMS-P are 0. 15%. 0. 25% and 0. 40%, respectively. KS-JS70 and LMS-P can significantly reduce the slurry viscosity and shear stress to improve the workability of construction. Both shear stress and viscosity shall be taken into account for on-site construction. |
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KSJSTO and LMS-P) on rheological behavior of low-cement castables and the mechanisms were analyzed. The shear stress and viscosity under different shear rates of matrix slurry were determined using a NXS-I IA rotary viscometer. Effects of different admixtures on the rheological properties of slurry was analyzed theoretically. Sodium tripolyphosphate and poly'carboxylate superplasticizers KS-JSTO and LMS-P) can improve the fluidity and initial setting time. With STP. the slurry is plastic flow. With KS-JS70 or LMS-P increasing, the slurrv changes from plastic.flow, pseudoplastic flow to dilatant flow successively. Th, e optimum dosages of STP. KS-JSTO and LMS-P are 0. 15%. 0. 25% and 0. 40%, respectively. KS-JS70 and LMS-P can significantly reduce the slurry viscosity and shear stress to improve the workability of construction. Both shear stress and viscosity shall be taken into account for on-site construction.</description><identifier>ISSN: 1004-4493</identifier><language>eng</language><publisher>College of Material & Mineral Resources, Xi'an University of Architecture and Technology,Xi'an 710055, China</publisher><subject>低水泥浇注料 ; 剪切速率 ; 塑性流动 ; 旋转粘度计 ; 流变行为 ; 聚羧酸盐 ; 高效减水剂 ; 高流动性</subject><ispartof>中国耐火材料(英文版), 2013, Vol.22 (2), p.33-37</ispartof><rights>Copyright © Wanfang Data Co. Ltd. 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Sodium tripolyphosphate and poly'carboxylate superplasticizers KS-JSTO and LMS-P) can improve the fluidity and initial setting time. With STP. the slurry is plastic flow. With KS-JS70 or LMS-P increasing, the slurrv changes from plastic.flow, pseudoplastic flow to dilatant flow successively. Th, e optimum dosages of STP. KS-JSTO and LMS-P are 0. 15%. 0. 25% and 0. 40%, respectively. KS-JS70 and LMS-P can significantly reduce the slurry viscosity and shear stress to improve the workability of construction. Both shear stress and viscosity shall be taken into account for on-site construction.</description><subject>低水泥浇注料</subject><subject>剪切速率</subject><subject>塑性流动</subject><subject>旋转粘度计</subject><subject>流变行为</subject><subject>聚羧酸盐</subject><subject>高效减水剂</subject><subject>高流动性</subject><issn>1004-4493</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNotzc1OwzAQBOAcQKIqfYdw5BBpHTtOcoSKn0qVQNB7tNmuk1SuXZyW0j49RmUvc_lm9iqZCACVKVXLm2Q2jhuIpyuly2KSNAtn7IEd8Zh6k757eyIMrf85Wdxz-nnYcdhZHPcDDWcOEbn0o2dvfTcQ2vSRe_wefPgrL_0xI96y26fz2MDW8nibXBu0I8_-c5qsnp9W89ds-faymD8sM9JQZUYA1bUqjZRU1QVgS-tCStRlK_JCtUCQU2GMqLA0damE0XpNgqUCoU3OcprcX2aP6Ay6rtn4Q3DxYXPuXE-24RyEhBygivbuYqn3rvsaot6FYYvh1CgNZTS5_AUB713z</recordid><startdate>2013</startdate><enddate>2013</enddate><creator>LI Zhukai HE Tingshu HUANG Xiaoyan</creator><general>College of Material & Mineral Resources, Xi'an University of Architecture and Technology,Xi'an 710055, China</general><general>Sichuan College of Architectural Technology, Deyang 618000, China%College of Material & Mineral Resources, Xi'an University of Architecture and Technology,Xi'an 710055, China%Sichuan College of Architectural Technology, Deyang 618000, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>2013</creationdate><title>Influences of Polycarboxylate Superplasticizers on Rheological Behavior of Low-cement Castables</title><author>LI Zhukai HE Tingshu HUANG Xiaoyan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c608-f10c9947f33c8950abcd533a67b1254b0c02c5ff18a7f9741f66dc1e34016f2e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>低水泥浇注料</topic><topic>剪切速率</topic><topic>塑性流动</topic><topic>旋转粘度计</topic><topic>流变行为</topic><topic>聚羧酸盐</topic><topic>高效减水剂</topic><topic>高流动性</topic><toplevel>online_resources</toplevel><creatorcontrib>LI Zhukai HE Tingshu HUANG Xiaoyan</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>中国耐火材料(英文版)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LI Zhukai HE Tingshu HUANG Xiaoyan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influences of Polycarboxylate Superplasticizers on Rheological Behavior of Low-cement Castables</atitle><jtitle>中国耐火材料(英文版)</jtitle><addtitle>China’s Refractories</addtitle><date>2013</date><risdate>2013</risdate><volume>22</volume><issue>2</issue><spage>33</spage><epage>37</epage><pages>33-37</pages><issn>1004-4493</issn><abstract>Influences of different superplasticizers ( STP. KSJSTO and LMS-P) on rheological behavior of low-cement castables and the mechanisms were analyzed. The shear stress and viscosity under different shear rates of matrix slurry were determined using a NXS-I IA rotary viscometer. Effects of different admixtures on the rheological properties of slurry was analyzed theoretically. Sodium tripolyphosphate and poly'carboxylate superplasticizers KS-JSTO and LMS-P) can improve the fluidity and initial setting time. With STP. the slurry is plastic flow. With KS-JS70 or LMS-P increasing, the slurrv changes from plastic.flow, pseudoplastic flow to dilatant flow successively. Th, e optimum dosages of STP. KS-JSTO and LMS-P are 0. 15%. 0. 25% and 0. 40%, respectively. KS-JS70 and LMS-P can significantly reduce the slurry viscosity and shear stress to improve the workability of construction. 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subjects | 低水泥浇注料 剪切速率 塑性流动 旋转粘度计 流变行为 聚羧酸盐 高效减水剂 高流动性 |
title | Influences of Polycarboxylate Superplasticizers on Rheological Behavior of Low-cement Castables |
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