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SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures最新文献

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Effects of Different Polycarboxylate Ether Structures on the Rheology of Alkali-Activated Slag Binders 不同聚羧酸醚结构对碱活化矿渣粘结剂流变学的影响
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684235
A. Kashani, J. Provis, Jiangtao Xu, Adam R. Kilcullen, P. Duxson, G. Qiao, J. Deventer
{"title":"Effects of Different Polycarboxylate Ether Structures on the Rheology of Alkali-Activated Slag Binders","authors":"A. Kashani, J. Provis, Jiangtao Xu, Adam R. Kilcullen, P. Duxson, G. Qiao, J. Deventer","doi":"10.14359/51684235","DOIUrl":"https://doi.org/10.14359/51684235","url":null,"abstract":"Polycarboxylate ether (PCE) admixtures are generally used in concrete at relatively low concentrations, enabling the reduction of mixture cost and enhanced flow properties due to reduction of cement content and significant enhancement of rheology, respectively. However, typical PCE polymer structures that are used in Portland cement have little or no effect on alkali activated slag (AAS) binder rheology due to ineffective consumption of polymer by a number of mechanisms, including degradation of the polymer chains within the high alkaline environments present in AAS systems. In this study, a range of PCEs with long and moderate PolyEthyleneGlycol (PEG) side chain lengths, and with high and low molecular weights (M), are examined. Co-polymers containing a higher density of backbone charges, as is typical for a Portland cement superplasticiser, increase the yield stress of alkali-activated slag. A co-polymer with longer side chains and lower M show a yield stress reduction, indicating a mild increase in workability compared to an unmodified AAS paste. It is suggested that in the high ionic strength environment of an AAS binder, a more charged polymer is consumed through interactions with other ions and charged particles, which can bring an increase in yield stress and plastic viscosity of AAS.","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129697252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Novel Type of PCE Possessing Silyl Functionalities 一种具有硅基官能团的新型PCE
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684220
J. Witt, J. Plank
{"title":"A Novel Type of PCE Possessing Silyl Functionalities","authors":"J. Witt, J. Plank","doi":"10.14359/51684220","DOIUrl":"https://doi.org/10.14359/51684220","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130821761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
Pyrolysis-Gas Chromatography/Mass Spectrometric Methods for the Determination of Chemical Additives in Portland Cement and Concrete 热解-气相色谱/质谱法测定硅酸盐水泥和混凝土中化学添加剂
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684227
A. Jeknavorian, E. Barry
{"title":"Pyrolysis-Gas Chromatography/Mass Spectrometric Methods for the Determination of Chemical Additives in Portland Cement and Concrete","authors":"A. Jeknavorian, E. Barry","doi":"10.14359/51684227","DOIUrl":"https://doi.org/10.14359/51684227","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114336191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aspects of Gypsum-Free Portland Cement 无石膏硅酸盐水泥的几个方面
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684219
H. Justnes
{"title":"Aspects of Gypsum-Free Portland Cement","authors":"H. Justnes","doi":"10.14359/51684219","DOIUrl":"https://doi.org/10.14359/51684219","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116482937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of In-Transit Addition of Superplasticizer 运输中添加高效减水剂的影响
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684226
E. Koehler, Mark F. Roberts
{"title":"Effects of In-Transit Addition of Superplasticizer","authors":"E. Koehler, Mark F. Roberts","doi":"10.14359/51684226","DOIUrl":"https://doi.org/10.14359/51684226","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122583093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Compatibility of PCP with Portland Cement Replaced with Natural Pozzolan and Fly Ash PCP与天然灰、粉煤灰替代硅酸盐水泥的相容性研究
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684221
M. Goisis, Matteo Pesci, G. D’Ambrosio
{"title":"Compatibility of PCP with Portland Cement Replaced with Natural Pozzolan and Fly Ash","authors":"M. Goisis, Matteo Pesci, G. D’Ambrosio","doi":"10.14359/51684221","DOIUrl":"https://doi.org/10.14359/51684221","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130528527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optimization of Synthetic Macrofiber Dosage in Tunneling Using Polycarboxylic Admixtures 聚羧基复合材料隧道施工中合成大纤维用量的优化
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684239
G. Mantegazza, Alessandra Gatti, Nicola Ursi
{"title":"Optimization of Synthetic Macrofiber Dosage in Tunneling Using Polycarboxylic Admixtures","authors":"G. Mantegazza, Alessandra Gatti, Nicola Ursi","doi":"10.14359/51684239","DOIUrl":"https://doi.org/10.14359/51684239","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126826681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Review of Recent Developments in ASTM Standard Specifications and ACI Guide Documents for Chemical Admixtures 化学外加剂的ASTM标准规范和ACI指南文件的最新发展综述
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684225
C. Nmai, B. Violetta
{"title":"A Review of Recent Developments in ASTM Standard Specifications and ACI Guide Documents for Chemical Admixtures","authors":"C. Nmai, B. Violetta","doi":"10.14359/51684225","DOIUrl":"https://doi.org/10.14359/51684225","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"272 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127377101","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Performance of UHPC with Shrinkage Mitigation Admixtures Under Simulated Field Conditions 掺加减缩外加剂的超高性能混凝土在模拟现场条件下的性能
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684230
A. Soliman, M. Nehdi
{"title":"Performance of UHPC with Shrinkage Mitigation Admixtures Under Simulated Field Conditions","authors":"A. Soliman, M. Nehdi","doi":"10.14359/51684230","DOIUrl":"https://doi.org/10.14359/51684230","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"99 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114973353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Study on the Interaction of Na-montmorillonite Clay with Polycarboxylates 钠蒙脱土与聚羧酸盐相互作用的研究
SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures Pub Date : 2012-09-14 DOI: 10.14359/51684244
S. Ng, J. Plank
{"title":"Study on the Interaction of Na-montmorillonite Clay with Polycarboxylates","authors":"S. Ng, J. Plank","doi":"10.14359/51684244","DOIUrl":"https://doi.org/10.14359/51684244","url":null,"abstract":"","PeriodicalId":177648,"journal":{"name":"SP-288: Tenth International Conference on Superplasticizers and other Chemical Admixtures","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126503312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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