Performance of mortars with the addition of septic tank sludge ash

•Septic tank ash (SA) addition improved overall condition of mortar.•Better performance in both the fresh and hardened state.•Improvement the particle packing by SA filling action.•SA addition increases density and reduces consistency of mortar. This paper studies the performance of mortars with the...

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Bibliographic Details
Published inConstruction & building materials Vol. 160; pp. 308 - 315
Main Authors Durante Ingunza, Maria del Pilar, Camarini, Gladis, Murilo Silva da Costa, Felipe
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 30.01.2018
Elsevier B.V
Subjects
Analysis
Mechanical properties
Mortar
Mortars
Portland cement
Septic tank sludge ash
United States
Mortars
Septic tank sludge ash
Performance
Portland cement
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Summary:•Septic tank ash (SA) addition improved overall condition of mortar.•Better performance in both the fresh and hardened state.•Improvement the particle packing by SA filling action.•SA addition increases density and reduces consistency of mortar. This paper studies the performance of mortars with the addition of septic tank sludge ash (SA). The sludge is a non-dangerous and non-inert residue. The cement-sand content is 1:3, in mass, commonly used for masonry in building construction. The percentages of sludge ash additions were 5, 10, 15, 20, 25 and 30% related to the cement mass. The results show that the addition of SA improves the general condition of the mortars, within the limits studied in this paper, providing better performance on both fresh and hardened states.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2017.11.053