Bamboo Leaves Ashes: A Mineral Addition for Building Construction
L. Rodier, E.V. Cociña, H. Savastano Jr.
Abstract. In this study the potential use of bamboo leaves ashes as pozzolanic materials have been investigated. Bamboo leaves were calcined at 600°C for 2 h and then were passed through a sieve opening of 325 mesh. Mineralogical, physical-chemical analysis and electrical conductivity measurements were carried out to evaluate the pozzolanic activity of the resulting bamboo ashes. Thermal analysis and mechanical tests were applied to determine the effect of ashes on the hydration kinetics of ordinary Portland cement. The results showed that bamboo leaves ashes present an amorphous phase and high silica content (70%). Electrical conductivity measurements confirmed the high pozzolanic activity of bamboo leaves ashes. Partial replacement of cement by 20 wt.% of bamboo leaves ashes leads to a decrease of heat of hydration of cement pastes. The compressive strength of mortars containing 20 wt.% of bamboo leaves ashes are similar to their counterparts without mineral additions (Control) at 7 days. At 28 days, the use of bamboo leaves ashes leads to the refinement of the pore structure, hence an increase of the compressive strength of mortars. According to the results, bamboo leaves ashes can be used as pozzolanic materials to increase the mechanical performance and the durability of building materials.
Bamboo Leaves, Mineral Addition, Pozzolanic Activity, Cement Hydration, Compressive Strength
Published online , 7 pages
Copyright © 2018 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA
Citation: L. Rodier, E.V. Cociña, H. Savastano Jr., ‘Bamboo Leaves Ashes: A Mineral Addition for Building Construction’, Materials Research Proceedings, Vol. 7, pp 516-522, 2018
The article was published as article 49 of the book Non-Conventional Materials and Technologies
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