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REHYDRATION OF CEMENT FINES: A TG/CALORIMETRY STUDY



Author(s): Sérgio C. Angulo; Mário S. Guilge; Valdecir A. Quarcioni; Raphael Baldusco; Maria A. Cincotto
Book Title: III Progress of Recycling in the Built Environment
Editor: I. Martins, C. Ulsen and S. C. Angulo
e-ISBN: 978-2-35158-158-2
Publisher: RILEM Publications SARL
Publication year: 2015
Pages: 222-229
Total Pages: 8
Language: English


Abstract: Research on new sources of cementitious materials is required to reduce global antropogenic CO2 emissions of cement industry. Cementitious powders from construction and demolition waste can be dehydrated and rehydrated and present some residual strength according to some initial studies. Systematic studies including characterization techniques (thermogravimetry and calorimetry) are lacking for a better understanding of this material. This paper aims to investigate rehydration of cement powders using these techniques, in order to establish relations between rehydrates water content, heat of rehydration and achieved compressive strength. The compressive strengths of treated cement fines were related to heat of rehydration and rehydrates water content.


Online publication: 2015
Publication Type: full_text
Public price (Euros): 0.00


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