Fire behaviour of lightweight concrete units based on corn cob aggregate
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abstract
Recent research works have concluded that corn cob may have interesting material properties,
in particular, lightness, and thermal and sound insulation abilities. In this research work, corn
cob is proposed as an alternative sustainable aggregate for lightweight concrete masonry unit
(CMU) manufacturing. The corn cob requires to be granulated previously in order to obtain
adequate particle size grade. Subsequently, the particles are wrapped in a cement paste with
the purpose of reducing their water abortion and adherent capacities. CMU are current applied
in the building of partition walls. The main goal of this research work consists on studying the
fire behaviour of partition walls built with CMU of processed corn cob granulate (CMU-PCC).
The search for alternative environmental friendly building solutions has been the goal of the scientific and the technical communities. Affordable, low energy and good quality water consumptions, and small amount of CO2 emission into the atmosphere are important attributes that these solutions have to fulfil. In general, applying organic products as raw building materials may be a step forward to achieve these attributes because they are likely of being abundant, local and renewable. For instance, rice husk ash blended cement has been proposed as a partial substitute of cement in mortar production.(...)
