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A study on the impact of cement type and heat stimulation on performance of superplasticizers

Author

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  • Zabihollah Tahery

    (Tokai University, Hiratsuka, Japan)

  • Shigeyuki Date

    (Tokai University, Hiratsuka, Japan)

Abstract

The objective of this study was to investigate the interaction of different types of cement and superplasticizer admixtures in which the Superplasticizers were stimulated by heating before addition to the mortar. To evaluate the desired impacts, tests on the fluidity and flow loss of mortar were conducted. For better considering the behavior of admixtures under heat stimulation with different cements, three types of cement and two types of superplasticizer are used, Polycarboxylic acid-based and Polycarboxylic acid-based ether. The admixtures were heated to 40ËšC, 50ËšC, and 60ËšC for 0.5 hours and 24 hours. Generally Polycarboxylic acid-based admixtures showed higher flow improvement in 60ËšC heating with all cement types especially with High Early Cement, in comparison with Polycarboxylic acid-based ether type. The flow loss of mortar was reduced by heat stimulation of admixtures, Polycarboxylic acid-based ether (the product suitable for Ready Mix Concrete) showed significant flow improvement after 15 minutes and kept it to one hour. As the result of this research, it is possible to reduce the admixture dosage and maintain the desired fluidity of mortar, or increase the mortar fluidity by applying the heat stimulation technique.

Suggested Citation

  • Zabihollah Tahery & Shigeyuki Date, 2017. "A study on the impact of cement type and heat stimulation on performance of superplasticizers," Journal of Applied and Physical Sciences, Prof. Vakhrushev Alexander, vol. 3(2), pages 65-72.
    • Handle: RePEc:apb:japsss:2017:p:65-72
    DOI: 10.20474/japs-3.2.4
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    Cited by:

    1. Lucita C. de Guzman & Vicente M. Armones & Mark Vergel B. Borja & Shaira June G. Gadot & Dennesa Luz D. Mijares, 2018. "Liquid product properties of pyrolyzed bamboo Sawdusts," Journal of Applied and Physical Sciences, Prof. Vakhrushev Alexander, vol. 4(3), pages 86-94.

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