Effect of selected cellulosic fibers on the properties of cement based composites

Alena Sicakova1*, Viola Hospodarova1, Nadezda Stevulova1, Vojtech Vaclavik2, Tomas Dvorsky2

1Institute of Environmental Engineering, Technical University of Kosice, Vysokoskolska 4, Kosice, 04200, Slovakia

2Institute of Environmental Engineering, VSB-Technical University of Ostrava, 17.listopadu 15/2172, Ostrava-Poruba, 70833, Czech Republic

Adv. Mater. Lett., 2018, 9 (8), pp 606-609

DOI: 10.5185/amlett.2018.2032

Publication Date (Web): Jun 14, 2018

E-mail: alena.sicakova@tuke.sk

Abstract


In this paper, the experimental work providing the testing of cement mixture containing two types of cellulosic fibers, namely fibers from bleached wood pulp and recycled waste paper fibers, is given. Fibers are described by selected characteristics such as length, density, and pH. They were applied as additive to the cement composite/plaster while they were dosed in different amounts: 0.2 %, 0.3 % and 0.5 % of the weight of both the filler and binder. Mixtures without fibers were prepared as reference samples. Density, water absorption, thermal conductivity, flexural and compressive strength were studied following by analyses of differences between resulting values. The observed differences in the physical, mechanical and thermal properties were found to be influenced by the properties (such as type, amount and other characteristics) of cellulosic fibers. 

Keywords

Fiber cement composite, cellulosic fibers, wood pulp, waste paper, water absorption, thermal conductivity, flexural strength, compressive strength.

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