variability of mix design
Majda Pavlin (Author), Barbara Horvat (Author), Vilma Ducman (Author)

Abstract

As part of the WOOL2LOOP project, the Slovenian National Building and Civil Engineering Institute (ZAG), in collaboration with Termit d.d. were responsible for the production of façade panels. An initial mix design was developed at ZAG, where alkali-activated façade panels were produced, primarily from stone wool waste, while production took place at Termit. The mix design was changed twice during the pilot production, before a final product with suitable durability was developed. A compressive strength of up to 60 MPa and bending strength of approximately 20 MPa was achieved. The mechanical properties, however, varied, due to the unevenly milled batches of the milled mineral wool. Milling on a larger scale is very challenging, and it is difficult to obtain consistent quality of the milled material. Once the correct curing process had been found, however, the panels produced showed good performance. Moreover, the results from leaching tests showed that the elevated concentrations of certain elements (Cr, As and Mo) did not exceed the legal limits for non- hazardous waste.

Keywords

odpadna mineralna volna;alkalijsko aktivirani materiali;fasadne plošče;pilotna proizvodnja;krožna ekonomija;odprti dostop;waste mineral wool;alkali activated material;façade panels;pilot production;circular economy;open access;

Data

Language: English
Year of publishing:
Typology: 1.08 - Published Scientific Conference Contribution
Organization: ZAG - Slovenian National Building and Civil Engineering Institute
Publisher: University of Maribor, University Press, Faculty of Chemistry and Chemical Engineering
UDC: 620.1/.2
COBISS: 140435971 Link will open in a new window
Parent publication: 5th International Conference on Technologies & Business Models for Circular Economy
Views: 18
Downloads: 2
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Other data

Secondary language: Slovenian
Secondary keywords: odpadna mineralna volna;alkalijsko aktivirani materiali;fasadne plošče;pilotna proizvodnja;krožna ekonomija;
Source comment: Nasl. z nasl. zaslona; Opis vira z dne 2. 2. 2023;
Pages: Str. 25-43
ID: 21304185
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