Mechanical Evaluation of Geopolymeric Mortars Reinforced with Alpaca Wool Fibers

Cris Katherin Palomino-Ñaupa; F.A. Cuzziramos-Gutiérrez; G.P. Rodríguez-Guillén; D.L. Mayta-Ponce; Fredy Alberto Huamán-Mamani

doi:10.4028/p-tr1019

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HomeMaterials Science ForumMaterials Science Forum Vol. 1084Mechanical Evaluation of Geopolymeric Mortars...

Mechanical Evaluation of Geopolymeric Mortars Reinforced with Alpaca Wool Fibers

Abstract:

Reinforced geopolymeric mortars were obtained by mixing mine tailing, fine sand, alpaca wool fibers ( in variable amounts) sodium hydroxide and potable water, it was possible to verify the effect of the addition of alpaca wool on the mechanical behavior in uniaxial compression of the mortars studied. The mechanical data found revealed a systematic decrease in the maximum stress as the volume of wool added in the mortar mixtures manufactured increased. On the other hand, a higher degree of deformation was verified in mixtures with a greater volume of added fibers, reaching deformation values of up to 5%. The maximum strength values were in the range of 4 to 21 MPa for samples with 8 and 0 Vol. % of added fibers, respectively. Among the microstructural characteristics of the mortars studied, a continuous binder phase corresponding to the geopolymer could be appreciated, with sand particles and wool fibers dispersed within the binder phase. The real density and average porosity of the reinforced mortars were 2.65 g/cm³ and 32%, respectively.

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Periodical:

Materials Science Forum (Volume 1084)

Pages:

139-144

DOI:

https://doi.org/10.4028/p-tr1019

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Online since:

April 2023

Authors:

Cris Katherin Palomino-Ñaupa*, F.A. Cuzziramos-Gutiérrez, G.P. Rodríguez-Guillén, D.L. Mayta-Ponce, Fredy Alberto Huamán-Mamani

Keywords:

Alpaca Wool Fibers, Formal Tailings, Geopolymer Mortar

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