73 research outputs found
Application of pineapple fiber in the development of sustainable mortars
Received: January 27th, 2021 ; Accepted: May 12th, 2021 ; Published: October 5th, 2021 ; Correspondence: [email protected] to the great worldwide increase in pineapple production, countries like Brazil and
India have problems regarding the correct disposal of residues from the production of this fruit.
One of the possibilities is the reuse of these residues in the form of fibers in cementitious
materials, as is the case with mortars. As a result, the objective of this work is to evaluate the
application of pineapple fibers in mortars in the proportion of 1: 4 (cement: sand) with addition
of fiber treated in NaOH in the proportion of 3 and 6%. The properties of mechanical resistance,
water absorption, mass density and adhesion were evaluated, aiming to apply the mortar in
coatings of rural environments. The results indicate that the fibers reduced the mortar density and
increased the mechanical strength. However, there was a reduction in adherence, especially with
the use of 6% fiber, in addition to an increase in water absorption. Based on the results, it is
concluded that it is feasible to use 3% of pineapple fiber for the production of coating mortars in
rural environments because the results obtained in the investigation are compatible with this
application and with the established normative limits
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