Moesgaard, Mette

Yue, Yuanzheng

English

    Aalborg UniversitetOptimizing the composition of glass particles as supplementary cementitiousmaterialsMoesgaard, Mette; Yue, YuanzhengPublication date:2009Document VersionPublisher's PDF, also known as Version of recordLink to publication from Aalborg UniversityCitation for published version (APA):Moesgaard, M., & Yue, Y. (2009). Optimizing the composition of glass particles as supplementary cementitiousmaterials. Poster presented at 8th Pacific Rim Conference on Ceramic and Glass Technology - 2009 AnnualMeeting of the International Commision on Glass, Vancouver, Canada.General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright ownersand it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.            ? Users may download and print one copy of any publication from the public portal for the purpose of private study or research.            ? You may not further distribute the material or use it for any profit-making activity or commercial gain            ? You may freely distribute the URL identifying the publication in the public portal ?Take down policyIf you believe that this document breaches copyright please contact us at vbn@aub.aau.dk providing details, and we will remove access tothe work immediately and investigate your claim.Downloaded from vbn.aau.dk on: November 28, 2020Optimizing the composition of glass particles as supplementary cementitious materials     This work aims at finding the optimal composition of glass particles suitable for partial substitution of cement clinkers. A mass production requires the glass particles to be made from low cost and locally available raw materials, e.g. clay, limestone and sand.  To find the optimal composition, the following steps have been taken. First, systematic investigations are performed on a three component model system (CaO-Al2O3-SiO2) with the aim of achieving a glass composition with a high glass forming ability (GFA). By balancing high GFA with low limestone consumption, i.e. to reduce the CO2 emission from calcination, it is chosen to use the eutectic composition of anorthite-wollastone-tridymite as the primary composition for further studies. Second, this primary composition is targeted using the natural raw materials. It is found that the usage of the natural raw materials enhances both the GFA and the glass workability. To further enhance the production conditions additional minor components (e.g. NaO and CaF2) are introduced to the batch materials. Finally the potential of the glass particles as supplementary cementitious materials is tested by investigating the reactivity of the glass particles in a saturated Ca(OH)2 solution.     

Optimizing the composition of glass particles as supplementary cementitious materials

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Optimizing the composition of glass particles as supplementary cementitious materials

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