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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Processing of Sugar Cane Bagasse for Making it Pozzolanic
Author(s): Rein Terje Thorstensen
Publication: Special Publication
Appears on pages(s): 103-118
Keywords: sugar cane bagasse ash (SCBA); supplementary cementitious materials (SCM); laboratory optimization; strength activity index (SAI); particle size distribution (PSD); loss on ignition (LOI); industrial transfer value
Abstract:A systematic investigation on laboratory processes to optimize the pozzolanic reactivity of sugar cane bagasse ash (SCBA) is described in this paper. The processes included pre-treatment, combustion, post-treatment, and grinding of ash. Effects of these processes were evaluated according to indicators (particle size distribution, Loss on Ignition (LOI) and pH) and impact measures (Strength Activity Index in mortar (SAI) and compressive strength in concrete). Variations in pozzolanic reactivity was demonstrated, ranging up to and above the level of silica fume. Effect of laboratory-produced SCBA was compared to SCBA from a real-life boiler, to verify industrial transfer value of the laboratory work.
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