Article ; Online: Resource utilization of stone waste and loess to prepare grouting materials.
Journal of environmental management
2024 Volume 354, Page(s) 120452
Abstract: Loess, a terrestrial clastic sediment, is formed essentially by the accumulation of wind-blown dust, while stone waste (SW) is an industrial waste produced during stone machining. Utilising loess and SW to prepare environmentally-friendly supplementary ... ...
Abstract | Loess, a terrestrial clastic sediment, is formed essentially by the accumulation of wind-blown dust, while stone waste (SW) is an industrial waste produced during stone machining. Utilising loess and SW to prepare environmentally-friendly supplementary cementitious materials can not only address environmental issues caused by solid waste landfills but also meet the demand of reinforcement of coal-seam floor aquifer for grouting materials. In this paper, the effects of the loess/SW mass ratio and calcination temperature on the transformation of calcined products are investigated and their pozzolanic activities are evaluated. The workability, environmental impact and cost of grouting materials based on cement and calcined products are also assessed. Experimental results reveal that higher temperatures favour the formation of free lime and periclase, which tend to be involved in solid-state reactions. Higher temperature and loess/SW mass ratio strengthens the diffraction peaks of dodecalcium hepta-aluminate (C |
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MeSH term(s) | Silicon Dioxide ; Minerals ; Silicates ; Industrial Waste ; Clay |
Chemical Substances | Silicon Dioxide (7631-86-9) ; Minerals ; Silicates ; Industrial Waste ; Clay (T1FAD4SS2M) |
Language | English |
Publishing date | 2024-02-24 |
Publishing country | England |
Document type | Journal Article |
ZDB-ID | 184882-3 |
ISSN | 1095-8630 ; 0301-4797 |
ISSN (online) | 1095-8630 |
ISSN | 0301-4797 |
DOI | 10.1016/j.jenvman.2024.120452 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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