The Possibilities for Using Ash and Slag Waste in Civil Engineering
Source abstract
Abstract
This research aimed to improve our understanding of how ash and slag waste (ASW) could be used in civil engineering. The present study concentrated on the utilisation of bottom sand (ASW) in cement composites as a replacement for a part of aggregate and the evaluation of the pozzolanic properties of the material. This would enable its use as a binder in non-cementitious or cementitious composites. The basic properties of the modified mortars were investigated. The pozzolanic activity index (PAI) of the bottom sand was also tested using two methods. Analysis of the test results shows that we can replace natural aggregate with 25% bottom sand without significantly impairing the properties of the modified composites. However, the tested ASW does not exhibit pozzolanic activity. Consequently, it should not be used as a binder substitute in cementitious or non-cementitious composites.
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Research context
OpenAlex topics: Recycling and utilization of industrial and municipal waste in materials production · Concrete and Cement Materials Research · Materials Engineering and Processing
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Construction and Landscaping, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, Wiejska 45E Street, 15-351 Bialystok, Poland
Funding
Polish Ministry of Education and Science
References (49)
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