NDLI: Upgraded MSWI Bottom Ash as Aggregate in Concrete

Content Provider	Springer Nature Link
Author	Wegen, Gert Hofstra, Ulbert Speerstra, John
Copyright Year	2013
Abstract	The objective of this research was to examine the technical feasibility of upgraded bottom ash from municipal solid waste incinerators as fine and coarse aggregate in concrete. The effect of partial replacement of natural sand and gravel by such bottom ash on all relevant properties of concrete (technological, structural as well as durability and reuse as recycled aggregate) has been determined. Based on these findings a guideline has been formulated for the use of upgraded incinerator bottom ash in ready-mixed as well as precast concrete. Although the upgraded bottom ash is of better quality then the original bottom ash, some properties still need special attention (i.e. must meet additional requirements): particle density, metallic aluminium content, loss on ignition, chloride, sulphate and alkali content and, finally, constituents which alter the setting and hardening of the cement. Upgraded incinerator bottom ash can replace up to 20 %V/V sand and/or gravel in reinforced concrete and up to 50 %V/V in plain concrete (non-structural concrete). Application in prestressed concrete is not recommended because of the possibly higher risk of stress corrosion in the prestressed steel.
Starting Page	737
Ending Page	743
Page Count	7
File Format	PDF
ISSN	18772641
Journal	Waste and Biomass Valorization
Volume Number	4
Issue Number	4
e-ISSN	1877265X
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-06-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	MSWI bottom ash Concrete aggregates Concrete properties Reuse Regulation Engineering Environment Renewable and Green Energy Industrial Pollution Prevention Waste Management/Waste Technology Environmental Engineering/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Waste Management and Disposal Environmental Engineering Renewable Energy, Sustainability and the Environment

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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