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2021 | OriginalPaper | Chapter

Use of Microwave-Accelerated Curing Under Low-Pressure in the Production of Ultra-Durability Portland Type I-Portland Cement Pastes

Author : Natt Makul

Published in: Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020)

Publisher: Springer International Publishing

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Abstract

Globally, the pressure mounts towards attaining low carbon emissions in the energy sector, which has propelled the G8 Summit to advocate for radical high technology approaches for cement production. Among the modern technologies recommended, which also offers the techno-economic advantages is the microwave-based curing. Low pressure accelerated microwave heating, also called accelerated dewatering, is an innovative technique that enhances the properties of HSCP. This study has analyzed the effect of this improvement including the impact of the pressure on feed direction, MW cavity, and the different HSPC samples for every MW treatment batch. The initial state of this treatment established the following. First, to evade internal structure cracks, the delay time should precede the setting time (averagely 30 min after mixing). Secondly, the moisture and temperature increase differences within the MW cavity should be minimal. By following low-pressure microwave treatment will significantly improve properties of HSCP by increasing the resistance to drying shrinkage and water permeability.

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Title: Use of Microwave-Accelerated Curing Under Low-Pressure in the Production of Ultra-Durability Portland Type I-Portland Cement Pastes
Author: Natt Makul
Publisher: Springer International Publishing
Book: Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020)
Print ISBN: 978-3-030-76550-7

Electronic ISBN: 978-3-030-76551-4

Copyright Year: 2021
DOI: https://doi.org/10.1007/978-3-030-76551-4_8

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