Production of a lightweight masonry block using alkaline activated natural pozzolana and natural fibers

David Castañeda, Guido Silva, Jorge Salirrosas, Suyeon Kim, Bruno Bertolotti, Javier Nakamatsu, Rafael Aguilar

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

17 Citas (Scopus)

Resumen

Lightweight geopolymers are alternative low-carbon footprint building materials with high potential to produce value added products for the construction industry such as low-density masonry units. This work focuses on presenting the development of a new lightweight masonry block using natural pozzolana-based geopolymer mortar, hydrogen peroxide as a foaming agent and jute fibers as reinforcement additive. The experimental plan allowed the optimization of the production process and the definition of the optimum quantities of hydrogen peroxide content, pozzolana: fine aggregate ratios and the appropriate amount of fibers to be incorporated. The experimental results demonstrate the feasibility of the production of new masonry units, which can achieve up to 8.1 MPa of compressive strength after 28 days of fabrication with reduced bulk densities of 1269 kg/m3.

Idioma originalInglés
Número de artículo119143
PublicaciónConstruction and Building Materials
Volumen253
DOI
EstadoPublicada - 30 ago. 2020

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