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Article

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Title

Utilization of Municipal Solid Waste Incineration Bottom Ash in Cement-Bound Mixtures

Authors

[ 1 ] Instytut Inżynierii Lądowej, Wydział Inżynierii Lądowej i Transportu, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.7] Civil engineering, geodesy and transport

Year of publication

2024

Published in

Sustainability

Journal year: 2024 | Journal volume: vol. 16 | Journal number: iss. 5

Article type

scientific article

Publication language

english

Keywords
EN
  • MSWI bottom ash
  • cement stabilization
  • frost resistance
  • MSWIBA recycling
  • sustainable civil engineering
Abstract

EN In order to protect the natural resources, it is beneficial for the environment when materials that are not valuable, such as waste or recycled materials, are used in engineering. This article presents laboratory studies on the use of mixtures of incineration bottom ash (IBA) from municipal waste incinerators with natural, fine grain and uniform aggregate in cement-bound layers. The mechanical and engineering properties of aggregates were studied, their usefulness was assessed and possible applications are indicated. The chemical composition of the material was found to be consistent with typical IBA from other incineration plants, and leachability studies were carried out, confirming lack of any environmental impact. The authors’ own mixtures were prepared based on optimal water content and maximal dry densities of solid particles, and the compressive strength was calculated after 7 and 28 days of hardening. The results indicate that replacing natural aggregates with IBA permits an increase in the compressive values for the specimens using the same amount of CEM I 42.5R while improving the frost resistance of cement–aggregate mixtures.

Date of online publication

24.02.2024

Pages (from - to)

1865-1 - 1865-20

DOI

10.3390/su16051865

URL

https://www.mdpi.com/2071-1050/16/5/1865

Comments

Article Number: 1865

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Date of Open Access to the publication

at the time of publication

Ministry points / journal

100

Impact Factor

3,3 [List 2023]

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