Improving the performance of PCE superplasticizers in early stiffening Portland cement

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• 作者：Giorgio Ferrari^a ; Luca Valentini^b ; ^{luca.valentini@unipd.it} ; Vincenzo Russo^a ; Maria C. Dalconi^b ; Marco Favero^b ; Gilberto Artioli^b
• 关键词：Workability ; Characterization ; Polymers ; Sulfate
• 刊名：Construction and Building Materials
• 出版年：2017
• 出版时间：15 January 2017
• 年：2017
• 卷：130
• 期：Complete
• 页码：83-91
• 全文大小：2438 K
• 卷排序：130

文摘

Investigated PCE compatibility of OPCs with different amounts of orthorhombic C3A. PCE performance is related to clinker porosity and to rate of ettringite formation. Gypsum/bassanite addition up to 2.60% SO3 can mitigate PCE incompatibility.