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Microstructure of aged MSWI bottom ash in road construction
Swedish Geotechnical Institute.
Swedish Geotechnical Institute.
2012 (English)In: WASCON 2012 - Towards Effective, Durable and Sustainable Production and Use of Alternative Materials in Construction: Proceedings of the 8th International Conference on Sustainable Management of Waste and Recycled Materials in Construction, Gothenburg, Sweden, 30 May - June 1, 2012 / [ed] Arm, M, Vandecasteele, C, Heynen, J, Suer, P, Lind, B, Linköping: ISCOWA , 2012, p. 1-5Conference paper, Published paper (Refereed)
Abstract [en]

Focuses on the chemical and structural long-term performance of aged MSWI bottom ash used as a reinforcement layer in a 60metre-long stretch of a test road. The bottom ash was stored in open air for some time before use. Sampling was performed eight years after construction. Epoxy-impregnated polished slabs from undisturbed samples representing cross-sections through the sub-base layer were used for a microtextural and chemical characterization by SEM/EDS and XRPD. No cracks that implied movement or rotation of particles in the road construction or disturbance due to the sampling process were found. This made it possible to study the chemical and structural processes on a micro-scale. The SEM/EDS analysis showed that most particles had reacted to some extent but were not disturbed by movements in the road construction or sampling. It is concluded that the microstructural stability of the studied MSWI bottom ash is high.

Place, publisher, year, edition, pages
Linköping: ISCOWA , 2012. p. 1-5
Keywords [en]
Bottom ash, Incinerator ash, Municipal waste, Ageing, Microscopy, XRD, Laboratory test, Highway, Use, Conference, Göteborg, 2012, English
National Category
Earth and Related Environmental Sciences Geotechnical Engineering
Identifiers
URN: urn:nbn:se:swedgeo:diva-876Local ID: 000076522OAI: oai:DiVA.org:swedgeo-876DiVA, id: diva2:1365868
Conference
8th International Conference on Sustainable Management of Waste and Recycled Materials in Construction
Available from: 2019-10-25 Created: 2019-10-25 Last updated: 2019-10-25

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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