Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.6/589
Título: Optimization of pozzolanic reaction of ground waste glass
Autor: Gomes, João Paulo de Castro
Santos, P.
Oliveira, Luiz António Pereira de
Palavras-chave: Waste glass
Pozolanic reaction
Data: 28-Abr-2010
Resumo: This paper examines the possibility of using finely ground waste glass of the three most common coloured glass bottles used in Portugal as partial cement replacement in mortar and concrete. The pozzolanic activity of ground glass was optimised as function of different particle size. The reduction of waste glass particle size was accomplished in the laboratory by crushing and grinding the waste glass using a jar mill. The particle fineness, to obtain a required reactivity, was studied as function of grinding time. The compressive strength activity index, at 7, 28 and 90 days, was determined for different ground waste glass particle size and partial cement replacement percentage in mortar. Test method described in ASTM C 1260 was applied to verify the potential expansion caused by the alkali silica reaction. The results obtained confirm the pozzolanic activity of the ground waste glass of different colour collected in central region of Portugal.
URI: http://hdl.handle.net/10400.6/589
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